Automatic Target Detection Patents (Class 342/90)
  • Patent number: 10838040
    Abstract: Techniques are disclosed for detection and ranging systems and methods to improve range resolution, target separation, and reliability. A method includes selectively attenuating a signal representing a ranging system return or echo from targets so as to suppress side lobes or other undesirable artifacts appearing in the signal due to noise, interference, and/or distortion. A method may additionally or alternatively include rejecting interference events in ranging system returns by comparing a received return with that expected from a target illuminated by the ranging system, as determined by characteristics of its particular ranging sensor, and rejecting or attenuating returns or portions of returns that fail to match those characteristics in time or space.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: November 17, 2020
    Assignee: FLIR BELGIUM BVBA
    Inventors: Richard Jales, Nicholas St. Hill, Stephen Tostevin
  • Patent number: 10832414
    Abstract: A system may include one or more processors configured to receive a plurality of images representing an environment. The images may include image data generated by an image capture device. The processors may also be configured to transmit the image data to an image segmentation network configured to segment the images. The processors may also be configured to receive sensor data associated with the environment including sensor data generated by a sensor of a type different than an image capture device. The processors may be configured to associate the sensor data with segmented images to create a training dataset. The processors may be configured to transmit the training dataset to a machine learning network configured to run a sensor data segmentation model, and train the sensor data segmentation model using the training dataset, such that the sensor data segmentation model is configured to segment sensor data.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: November 10, 2020
    Assignee: Zoox, Inc.
    Inventor: David Pfeiffer
  • Patent number: 10775496
    Abstract: A method comprises at least: a first radar processing for locating and estimating the trajectory of a target on the basis of measurements of radial distances, of Doppler frequency and of angle of azimuth and of elevation of the target arising from a radar signal emitted towards the target; a second radar processing of location and of trajectory of the target along a vertical axis, by applying the principle of the inverse synthetic antenna; the disparity between the given trajectory and the trajectory estimated by the first processing, projected on a horizontal plane, and the disparity between the given trajectory and the trajectory estimated by the second processing according to the vertical axis being used to control the direction of displacement of the target.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: September 15, 2020
    Assignee: THALES
    Inventors: Pascal Cornic, Patrick Garrec, Patrick Le Bihan
  • Patent number: 10725150
    Abstract: In accordance with an embodiment, a method of operating a radar system includes receiving radar configuration data from a host, and receiving a start command from the host after receiving the radar configuration data. The radar configuration data includes chirp parameters and frame sequence settings. After receiving the start command, configuring a frequency generation circuit is configured with the chirp parameters and radar frames are triggered at a preselected rate.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: July 28, 2020
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Saverio Trotta, Reinhard Wolfgang Jungmaier, Dennis Noppeney, Ashutosh Baheti, Ismail Nasr, Jagjit Singh Bal
  • Patent number: 10677891
    Abstract: Ship motion forecasting systems and methods are described herein that can enable accurate real-time forecasting of ocean waves and resultant ship motions. Such systems and methods can be used to improve the efficiency and safety of a variety of ship operations, including the moving of cargo between ships at sea. In general, the systems and methods transmit radar signals from multiple radars, and those radar signals from the multiple radars are reflected off the surface of a body of water. The reflected radar signals are received, and radar data is generated from the received radar signals. The radar data is used to generate ocean wave components, which represent the amplitude and phase of a multitude of individual waves that together can describe the surface of the ocean. These ocean wave components are then used generate ship motion forecasts, which can then be presented to one or more users.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: June 9, 2020
    Assignee: Applied Physical Sciences Corp.
    Inventors: Jason P. Rudzinsky, John G. Kusters, Jr., Benjamin S. H. Connell, Christopher S. Brundick, Kevin Cockrell, William M. Milewski
  • Patent number: 10561358
    Abstract: A device differentiates a living body, the device including a circuit. The circuit acquires first N reception signals, each of the first N reception signals has been received at respective one receiver out of N receivers, which are arranged to surround a periphery of a predetermined range, using respective reception antenna elements of the N receivers during a predetermined period. The circuit also calculates a plurality of correlation coefficients based on a teacher signal, stored in the memory, and the first N reception signals. The circuit further determines that the living body and a subject living body are identical to each other when a correlation coefficient, included in the plurality of correlation coefficients, is included in a predetermined value range.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: February 18, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takeshi Nakayama, Shoichi Iizuka, Naoki Honma
  • Patent number: 10520584
    Abstract: The invention relates to a radar system for use in driver assistance systems in motor vehicles. According to the invention, the radar system has optimized storage of temporary data when using periodic linear frequency modulation and a multidimensional discrete Fourier transform.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: December 31, 2019
    Assignee: Continental Automotive Systems, Inc.
    Inventor: Markus Wintermantel
  • Patent number: 10481243
    Abstract: An automated vehicle radar system capable of self-calibration includes an antenna, a transceiver, and a controller. The antenna broadcasts a radar-signal and detects a reflected-signal reflected by an object. The transceiver determines a distance, an angle, and a range-rate of the object relative to the antenna based on the radar-signal and the reflected-signal. The controller determines a speed of a host-vehicle; determines when the object is stationary based on the speed, the angle, and the range-rate; stores in a memory a plurality of detections that correspond to multiple instances of the distance, the angle, and the range-rate as the host-vehicle travels by the object; selects an ideal-response of angle versus range-rate based on the speed; determines a calibration-matrix of the system based on a difference between the plurality of detections and the ideal-response; and adjusts an indicated-angle to a subsequent-object in accordance with the calibration-matrix.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: November 19, 2019
    Assignee: APTIV TECHNOLOGIES LIMITED
    Inventors: Carlos Alcalde, Duc H. Vu
  • Patent number: 10413229
    Abstract: A device that differentiates a living body includes at least one transmission antenna element that transmits a transmission signal to a predetermined range including the living body, N receivers that are arranged to surround a periphery of the predetermined range and each receive N reception signals using respective reception antenna elements of the receivers during a predetermined period, the N reception signals including a reflection signal resulting from the transmission signal reflected off the living body, memory that stores a teacher signal, a circuit that calculates a plurality of correlation coefficients according to the teacher signal and the N reception signals received by the N receivers and determines that the living body and the subject living body are identical to each other when a predetermined correlation coefficient included in the plurality of correlation coefficients is included in a predetermined value range.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: September 17, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takeshi Nakayama, Shoichi Iizuka, Naoki Honma
  • Patent number: 10303928
    Abstract: Exemplary embodiments relate to uses of face detection in video, and especially in video calls. In some embodiments, face detection may be used to center a camera shot by maintaining a face in the center of a screen. The centering may be applied selectively, such as by overriding centering if the user is looking off-screen. The video may also be cropped to better fit a face in a screen, or to allow multiple faces to appear on screen. In some embodiments, emphasizing the face over the background (or parts of the face over the whole face) allows for improvement in video call performance. Moreover, these techniques can be used to bring certain areas of a camera shot into focus while de-emphasizing the background (or vice versa).
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: May 28, 2019
    Assignee: FACEBOOK, INC.
    Inventors: Stephane Taine, Brendan Benjamin Aronoff, Jason Clark
  • Patent number: 10274593
    Abstract: An object detection device includes a sub-cluster generating circuitry which, in operation, divides a cluster generated by a cluster generator into one or more first sub-clusters each corresponding to a part of an object having a different traveling direction or traveling speed from a main part of the object and a second sub-cluster corresponding to the main part of the object; and a speed calculating circuitry which, in operation, uses one or more capture points belonging to the second sub-cluster and calculates a traveling speed of the object.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: April 30, 2019
    Assignee: Panasonic Corporation
    Inventors: Weijie Liu, Yoichi Nakagawa, Makoto Yasugi, Toshihiro Kasahara
  • Patent number: 10088553
    Abstract: A method and sensor system are disclosed for automatically determining object sensor position and alignment on a host vehicle. A radar sensor detects objects surrounding the host vehicle in normal operation. Static objects are identified as those objects with ground speed approximately equal to zero. Vehicle dynamics sensors provide vehicle longitudinal and lateral velocity and yaw rate data. Measurement data for the static objects—including azimuth angle, range and range rate relative to the sensor—along with the vehicle dynamics data, are used in a recursive geometric calculation which converges on actual values of the radar sensor's two-dimensional position and azimuth alignment angle on the host vehicle.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: October 2, 2018
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Shuqing Zeng, Xian Zhang, Xiaofeng F. Song
  • Patent number: 10055013
    Abstract: Systems and approaches provide for user interfaces that are based on object tracking. For example, the object may be a user's head or face. As the user moves his head or face and/or tilts a computing device, the content displayed on the computing device will adapt to the user's perspective. The content may include three-dimensional (3D) graphical elements projected onto a two-dimensional (2D) plane and/or the graphical elements can be associated with textural shading, shadowing or reflections that change according to user or device motion to give the user the impression that the user is interacting with the graphical elements in 3D environment. A state of motion of the device can be determined and jitter and/or latency corresponding to the rendering of content can be altered so as to minimize or decrease jitter when the device is stationary and/or to decrease or minimize latency when the device is in motion.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: August 21, 2018
    Assignee: Amazon Technologies, Inc.
    Inventors: Sharadh Ramaswamy, Jason Robert Weber
  • Patent number: 10042960
    Abstract: Methods and apparatuses for identifying a track for a target are disclosed herein. In a general embodiment, trees for targets are identified. Each tree in the trees includes observations that are connected to each other by branches and each observation has a score. A selected track in a tree is identified within the trees with an observation having a highest score. A group of branches is added to the selected track from other trees other than the tree having the selected track to form the track for a target, enabling reducing processing resources used to identify the track.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: August 7, 2018
    Assignee: National Technology & Engineering Solutions of Sandia, LLC
    Inventor: Tian J. Ma
  • Patent number: 9940726
    Abstract: A method includes receiving image data at a first tracking system. The image data may represent a region in an image of a sequence of images. The method includes generating a first tracking fingerprint based on the image data. The method includes comparing the first tracking fingerprint and a second tracking fingerprint. The method further includes providing an output from the first tracking system to a second tracking system based on a result of the comparison of the first tracking fingerprint and the second tracking fingerprint.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: April 10, 2018
    Assignee: THE BOEING COMPANY
    Inventors: Kyungnam Kim, Changsoo Jeong, Terrell N. Mundhenk, Yuri Owechko
  • Patent number: 9842262
    Abstract: A method for identifying an object in a piece of image information representing a scene in a detection range of a camera during a situation includes: a step of reading in; a step of selecting; and a step of searching. In the step of reading in, the piece of image information and at least one parameter representing the situation are read in. In the step of selecting, a feature combination of an object class of the object, which is predictably identifiable in the situation, is selected using the parameter. In the step of searching, the feature combination is searched for in the piece of image information to identify the object.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: December 12, 2017
    Assignee: ROBERT BOSCH GMBH
    Inventors: Omar Alaa El-Din, Christian Schwarz, Steffen Brueggert, Tobias Stumber
  • Patent number: 9823344
    Abstract: Systems and methods are provided for tracking moving objects. A sensor system is configured to measure a position of each of a plurality of moving objects as a set of measurements. A track assignment component is configured to accept the set of measurements from the sensor system and assign a subset of the measurements to respective tracks. The tracks represents the motion of respective objects. The track assignment component represents a cost calculation component configured to provide a cost matrix from at least a change point detection analysis of a feature associated with the set of measurements and an object assignment component configured to assign the subset of the measurements to respective tracks. A filtering component is configured to update respective associated states of tracks representing the plurality of moving objects according to the set of measurements and the assignment of the subset of the measurements to respective tracks.
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: November 21, 2017
    Assignee: Northrop Grumman Systems Corporation
    Inventors: Ryan D. Turner, Steven Bottone, Clay J. Stanek
  • Patent number: 9791541
    Abstract: A method includes receiving first tracking data and a first confidence value at a tracker selection system from a first tracking system. The method includes receiving second tracking data and a second confidence value at the tracker selection system from a second tracking system. The tracking systems may be configured to track an object in a sequence of images, and the first and second tracking data may indicate locations of regions where the corresponding tracking system has tracked the object in an image of the sequence of images. The confidence values may indicate likelihoods that a corresponding tracking system is tracking the object. The method further includes providing output data to the first tracking system and to the second tracking system. The output data may include data selected from the first tracking data and the second tracking data based on a result of a comparison of the confidence values.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: October 17, 2017
    Assignee: The Boeing Company
    Inventors: Kyungnam Kim, Changsoo Jeong, Yuri Owechko
  • Patent number: 9778199
    Abstract: Pressure variations within a solid propellant rocket motor produce like variations in the optical radiance of the motor exhaust plume. The periodicity of the variation is related to the length L of the rocket motor or speed of sound in the rocket motor combustion chamber to length ratio a/L. The optical radiance is collected and converted to electrical signals that are sampled at or above the Nyquist rate. An array of single-pixel photo detectors is well suited to provide amplitude data at high sample rates. The sampled data from the one or more detectors is assembled to form a high fidelity time sequence. A window of sampled data is processed to form a signal frequency spectrum. The mode structure in the frequency spectrum is related to the rocket motor length or speed of sound in the rocket motor chamber to length ratio. The rocket motor length or speed of sound to length ratio is used alone or in combination with other information to either classify or identify the rocket motor.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: October 3, 2017
    Assignee: Raytheon Command and Control Solutions LLC
    Inventor: James W. Rakeman
  • Patent number: 9766324
    Abstract: Methods, systems, apparatuses, and computer program products are provided for detecting objects, including humans, using a mobile communications device. A communication space is scanned with a beam-shaped signal transmitted by a phased antenna array of the mobile communications device. Information is discerned from one or more attenuated signals received from the communication space based on the beam-shaped signal. The information is analyzed to determine an object in the communication space. Whether the object is likely at least a portion of a human is determined. A communication signal transmitted by the phased antenna array is modified in response to determining that the object is likely at least a portion of a human, and that the at least a portion of the human has a predetermined spatial relationship with the phased antenna array.
    Type: Grant
    Filed: May 6, 2015
    Date of Patent: September 19, 2017
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Marshall Joseph Katz, Charbel Khawand
  • Patent number: 9729865
    Abstract: Various embodiments enable a primary user to be identified and tracked using stereo association and multiple tracking algorithms. For example, a face detection algorithm can be run on each image captured by a respective camera independently. Stereo association can be performed to match faces between cameras. If the faces are matched and a primary user is determined, a face pair is created and used as the first data point in memory for initializing object tracking. Further, features of a user's face can be extracted and the change in position of these features between images can determine what tracking method will be used for that particular frame.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: August 8, 2017
    Assignee: AMAZON TECHNOLOGIES, INC.
    Inventors: Cheng-Hao Kuo, Jim Oommen Thomas, Tianyang Ma, Stephen Vincent Mangiat, Sisil Sanjeev Mehta, Ambrish Tyagi, Amit Kumar Agrawal, Kah Kuen Fu, Sharadh Ramaswamy
  • Patent number: 9692658
    Abstract: There is provided a wireless network monitoring device, method and device in a wireless communication system, the wireless network monitoring device including: a network distribution space information acquiring unit configured to acquire network distribution space information of a three dimensional distribution space of a network to be monitored; a network status information acquiring unit configured to acquire position information of network nodes in the three dimensional distribution space and performance information of the network nodes, thereby obtaining network status information about the three dimensional distribution space; and a display unit configured to display the network distribution space information and the network status information which are superimposed. According to embodiments of the disclosure, it enables a user to obtain better network service experience.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: June 27, 2017
    Assignee: SONY CORPORATION
    Inventors: Xin Guo, Chen Sun
  • Patent number: 9514361
    Abstract: A method and apparatus are provided for classifying range profiles, generated for example by a radar, lidar or sonar. In the method, each in a set of objects of interest is modeled with a probabilistic model. The probabilistic model represents the probabilities of occurrence of different possible sequences of distances between selected features of the object, in different orientations, that are likely to result in peaks of backscatter in a range profile of the object. The probabilistic model is derived from a first probabilistic representation of each selected feature, generated to represent the uncertainty in locating the feature and the uncertainty in observing the feature in a range profile. Classification is achieved by calculating, for each probabilistic model, the probability that the model would generate a given sequence of distances between observed backscatter events in a given range profile.
    Type: Grant
    Filed: April 18, 2011
    Date of Patent: December 6, 2016
    Assignee: BAE SYSTEMS plc
    Inventor: Robert James Miller
  • Patent number: 9453911
    Abstract: A target tracking system which tracks targets using a plurality of virtual particles includes a detector which detects the targets based on a signal wave from the targets and outputs a detected results as a detected target positions, a fluctuation distribution unit which generates fluctuations arising from at least disturbances and measurement errors, and an estimation unit which sets virtual particles based on the fluctuations and estimates a true target positions based on the detected target positions.
    Type: Grant
    Filed: February 1, 2012
    Date of Patent: September 27, 2016
    Assignee: NEC CORPORATION
    Inventor: Hisashi Shiba
  • Patent number: 9344855
    Abstract: Provided are an indoor wireless positioning system and method capable of more accurately performing indoor wireless positioning by predicting signal attenuation due to a floor or wall within a multi-floor building. The indoor wireless positioning method includes calculating floor loss information of a floor on which the user terminal is located within the building, a higher floor, and a lower floor, calculating the floor on which the user terminal is located by comparing the calculated floor loss information to pre-stored previous floor loss information, calculating information about wall loss in the floor on which the user terminal is located, and acquiring position information on a horizontal plane of the user terminal according to received signal strength of the user terminal and the information about the wall loss. When the position of the user terminal is detected, detection accuracy is improved and more efficient wireless positioning is possible.
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: May 17, 2016
    Assignee: Foundation of Soongsil University-Industry Cooperation
    Inventors: Yoan Shin, Xiao Fan, Jian Shi, Kwangyul Kim
  • Patent number: 9305224
    Abstract: A method for instant recognition of traffic lights countdown image that can quickly scan and confirm the circular feature image of a traffic light, and retrieve the countdown image thereof by calculating the displacement ratio from the circular image, then enhance, cut and converse the countdown image to display a feature image thereof, and proceed similarity comparison with collected data to calculate the percentage of similarity. The method eventually brings out a result from the image comparisons, so as to fulfill the effectiveness of searching and instantly recognizing the countdown image of a traffic light.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: April 5, 2016
    Assignee: Yuan Ze University
    Inventors: Duan-Yu Chen, Yi-Tung Chou
  • Patent number: 9268008
    Abstract: A method and an apparatus for detection and tracking of one or more objects in land clutter, including strong clutter and low observable (LO) objects such as a humans, animals, vehicles, and small, low-flying aircraft using a non-coherent radar or the amplitude output of a coherent radar. The preferred embodiment of the method and apparatus uses an X-band, maritime, non-coherent radar and the Doppler spectra computed from the high-frequency amplitude modulations produced by the object interacting with the land-based clutter to determine the presence, velocity, and track of the object.
    Type: Grant
    Filed: October 7, 2011
    Date of Patent: February 23, 2016
    Assignee: Vista Research, Inc.
    Inventors: Ron Abileah, Phillip A. Fox, Joseph W. Maresca, Jr.
  • Patent number: 9244159
    Abstract: A method and target detector for detecting targets. A number of bright pixels are identified in an image. Each of the number of bright pixels belongs to a line detected in the image in which the line represents a candidate for a target. A number of feature vectors are identified for the number of bright pixels in the image. Each of the number of feature vectors is classified as one of a target vector representing the target and a clutter vector representing clutter.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: January 26, 2016
    Assignee: THE BOEING COMPANY
    Inventors: Dmitriy V. Korchev, Yuri Owechko
  • Patent number: 9188666
    Abstract: A method for target detection includes: receiving input data via an input signal; generating a histogram from the received data by a processor; rank-ordering the received data based on power or amplitude of the received input signal; comparing the ranked data received in a current time period to the ranked data received in a previous time period to calculate a Bivariate Conditional Exceedance function (BCEF); utilizing the calculated BCEF to estimate a Gumbel Copula parameter; accumulating a log-likelihood statistic from the estimated Gumbel Copula parameter and the generated histogram; comparing the log-likelihood statistic with a threshold value; and determining a detection of the target, when the log-likelihood statistic is below the threshold value.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: November 17, 2015
    Assignee: Raytheon Applied Signal Technology
    Inventors: Andrew J. Pomerance, Richard Hugh Anderson, Kurt James Lightner, Katherine S. H. Johnson
  • Patent number: 9171212
    Abstract: Methods and apparatus for detecting a swarm attack based on a plurality of convergence hypotheses related to correlated movements of entities in an area of interest. Projected tracks for the entities are determined based on position reports received for the entities. At least one of the convergence hypotheses are updated based, at least in part on the projected tracks and a convergence hypotheses is output when a score assigned to the hypothesis exceeds a threshold value.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: October 27, 2015
    Assignee: Lockheed Martin Corporation
    Inventors: James C. Rosswog, Thomas Norton, Larry Holmquist
  • Patent number: 9136571
    Abstract: The invention relates to a driver assistance device (2) for a vehicle (1), having a radar apparatus (3, 4) for detecting objects which are external to the vehicle, which radar apparatus (3, 4) has an antenna unit (14) for irradiating and/or receiving electromagnetic waves (S0, SE) and a damping element (24, 25, 26) which is coupled to the antenna unit (14) and has the purpose of directing and damping the electromagnetic waves (S0, SE), by means of which damping element (24, 25, 26) the antenna unit (14) can be coupled to a transmitter and/or receiver device (16, 17) of the radar apparatus (3, 4), wherein the damping element (24, 25, 26) has a branching unit (31) with a first line branch (32) for directing the damped electromagnetic waves (S0, SE) between the transmitter and/or receiver device (16, 17), on the one hand and the antenna unit (14) on the other, as well as a second line branch (33) which is coupled to the first line branch (32) and is terminated with a reflection-free terminating element (35, 37).
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: September 15, 2015
    Assignee: Valeo Schalter Und Sensoren GmbH
    Inventors: Uwe Papziner, Frank Kuenzler
  • Patent number: 9116915
    Abstract: This disclosure relates to a method, article of manufacture, and apparatus for scanning data. In some embodiments, this includes examining attributes of a first directory, wherein the attributes include at least one from a group comprising a next tentative scan date, a modified time, and a dirty indicator, determining if the dirty indicator has been set, if the dirty has been set, scanning files in the first directory, if the dirty indicator has not been set, determining if the first directory has been modified, if the first directory has not been modified, determining if the next tentative scan date equals to a system date, if the next tentative scan date equals to the system date, scanning the files, if the next tentative scan date does not equal to the system date, examining attributes of a second directory, and if the first directory has been modified, scanning the files.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: August 25, 2015
    Assignee: EMC Corporation
    Inventors: Nagaraja Mandya Lakshman, Priyank Tiwari
  • Patent number: 9097793
    Abstract: A system for detecting munitions in flight comprises a radar transmitter, receiver, and associated antennas, wherein the antennas are oriented to include ground level coverage, and where a receive antenna is arranged to provide a plurality of receive beams. The system further incorporates a Doppler filter arranged to reject targets that have velocity profiles that do not match those expected of targets of interest. If a target of interest is detected then an indication is provided, preferably in the form of an audible alert, allowing those nearby time to take cover. The system provides a simple munitions detection capability that may operate in CW mode to allow rapid detection, and may also have means such as switchable FMCW, and elevation measurement to allow estimation of possible landing areas of the target.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: August 4, 2015
    Assignee: QINETIQ LIMITED
    Inventors: Stephen A Harman, Andrew L Hume
  • Patent number: 9073548
    Abstract: A vehicle-mounted radar apparatus for transmitting radar waves toward the outside of a vehicle mounting the apparatus thereon and receiving the radar waves reflected from an object to thereby acquire information about the object. In the apparatus, a target detection unit transmits and receives the radar waves to detect positions of targets. An object position determination unit determines a position of the object reflecting the radar waves on the basis of the positions of the targets. A representative target selection unit selects a representative target from the targets. A same-object target selection unit selects targets belonging to the same object as the representative target. A large-vehicle determination unit determines whether or not the object is a large vehicle on the basis of a number of targets selected by the same-object target selection unit and reflection wave received powers for the respective targets.
    Type: Grant
    Filed: February 12, 2013
    Date of Patent: July 7, 2015
    Assignees: DENSO CORPORATION, Mazda Motor Corporation
    Inventors: Akiyoshi Mizutani, Keiji Matsuoka, Koji Shimizu, Haruki Okazaki
  • Patent number: 9045999
    Abstract: In one embodiment, a blade monitoring system includes: at least one computing device configured to monitor a compressor during a load change by performing actions comprising: extracting a dynamic component of a blade time-of-arrival (TOA) deviation signal in response to the load change on the compressor; calculating, using the dynamic component, at least one of: a natural frequency of the GT compressor blade during the load change, an overshoot of the GT compressor blade during the load change, a rise time of the compressor blade during the load change, a damping factor of the compressor blade during the load change, or a settling time of the GT compressor blade after the load change; and determining whether the GT compressor blade is damaged based upon the at least one of: the natural frequency, the overshoot, the rise time, the damping factor, or the settling time.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: June 2, 2015
    Assignee: General Electric Company
    Inventor: Vivek Venugopal Badami
  • Patent number: 9041592
    Abstract: A radar sensor and a method of detecting an object by using the same are provided. The method includes: receiving at least one radar signal reflected from the object; converting the received at least one radar signal to at least one signal in a frequency domain; accumulating the converted at least one signal for a predetermined time and extracting at least one feature from the accumulated at least one signal; and identifying the object by comparing the extracted at least one feature with at least one reference value stored in a database.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: May 26, 2015
    Assignee: SAMSUNG TECHWIN CO., LTD.
    Inventor: Ki-Yong Jeon
  • Patent number: 9041591
    Abstract: A signal processing device, which includes an echo signal input module for inputting echo signals from an antenna discharging electromagnetic waves to a predetermined area and receiving the echo signals reflected on a target object, an echo signal level detection module for detecting a level of each of the echo signals from each location within the predetermined area, a target object detection module for detecting the target object based on the levels of the echo signals, a correlation processing module for performing scan-to-scan correlation processing of a plurality of scans, and a level adjustment module for adjusting the levels of the echo signals after the scan-to-scan correlation processing. The level adjustment module adjusts the levels of the echo signals corresponding to the locations where the target object detection module detects the target object.
    Type: Grant
    Filed: November 18, 2011
    Date of Patent: May 26, 2015
    Assignee: FURUNO ELECTRIC COMPANY LIMITED
    Inventor: Kazuya Nakagawa
  • Patent number: 9030347
    Abstract: Systems and methods for improving vehicle survivability. In some embodiments, threat information relating to at least one potential threat against at least one vehicle during a mission may be accessed. The threat information may comprise threat location information indicative of at least one likely location for the at least one potential threat and at least one model associated with the at least one potential threat. Prior to commencing the mission, the threat information may be used to assign a numerical measure to each potential action of a plurality of potential actions for the at least one vehicle based at least in part on at least one measure of the at least one vehicle resulting from executing the potential action. The plurality of potential actions may be compared based at least in part on the respective numerical measures assigned to the plurality of potential actions.
    Type: Grant
    Filed: May 3, 2012
    Date of Patent: May 12, 2015
    Assignee: Lockheed Martin Corporation
    Inventors: Carl R. Herman, James C. Rosswog
  • Patent number: 9030350
    Abstract: The invention consists of a method that makes it possible to produce an association of bistatic blips, formed by the different bistatic bases of a multistatic radar system comprising a plurality of transmitters and receivers remote from one another, this association making it possible to transmit to the tracking means only bistatic blips that probably correspond to one and the same target so as to facilitate the work of the tracking means. The association of blips that is produced takes into account the parameters defining, in three dimensions, the bistatic measurements (distance and speed), as well as the azimuth measurement, relating to the corresponding target.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: May 12, 2015
    Assignee: Thales
    Inventors: Nicolas Millet, Sébastien Allam, Mathieu Klein, Thierry Malherbe
  • Patent number: 9024814
    Abstract: One or more human attributes extracted from a micro-impulse radar (MIR) signal is correlated to a temporary identity or phenotypic identity of a person.
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: May 5, 2015
    Assignee: The Invention Science Fund I, LLC
    Inventors: Mahalaxmi Gita Bangera, Roderick A. Hyde, Muriel Y. Ishikawa, Edward K. Y. Jung, Jordin T. Kare, Eric C. Leuthardt, Nathan P. Myhrvold, Elizabeth A. Sweeney, Clarence T. Tegreene, David B. Tuckerman, Thomas A. Weaver, Lowell L. Wood, Jr., Victoria Y. H. Wood
  • Patent number: 9019149
    Abstract: One or more micro-impulse radars (MIRs) are configured to determine the movement of at least one person. Media can be output to the person responsive to the movement.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: April 28, 2015
    Assignee: The Invention Science Fund I, LLC
    Inventors: Mahalaxmi Gita Bangera, Roderick A. Hyde, Muriel Y. Ishikawa, Edward K. Y. Jung, Jordin T. Kare, Eric C. Leuthardt, Nathan P. Myhrvold, Elizabeth A. Sweeney, Clarence T. Tegreene, David B. Tuckerman, Thomas A. Weaver, Lowell L. Wood, Jr., Victoria Y. H. Wood
  • Patent number: 9000973
    Abstract: A personal electronic device such as a smart phone can include a micro-impulse radar (MIR).
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: April 7, 2015
    Assignee: The Invention Science Fund I, LLC
    Inventors: Roderick A. Hyde, Jordin T. Kare, Lowell L. Wood, Jr.
  • Publication number: 20150070204
    Abstract: A detection and ranging apparatus includes a probe signal generating unit that generates a probe signal according to a first modulation method, a transmitting unit that transmits the generated probe signal, a receiving unit that receives a signal including at least one of a reflection signal and an interference signal according to a second modulation method, a demodulating unit that demodulates the reception signal according to a method corresponding to at least one of the first modulation method and the second modulation method, an interference signal detecting unit that detects the interference signal from the demodulated signal, an interference signal identifying unit that identifies specifications and a delay amount of the interference signal from the demodulated signal, and an interference signal removing unit that removes the interference signal within the reception signal by using the identified specifications and the identified delay amount of the interference signal.
    Type: Application
    Filed: August 20, 2014
    Publication date: March 12, 2015
    Inventor: Kazuo Shirakawa
  • Patent number: 8963765
    Abstract: A method for tracking an object using radar includes detecting a wideband radio frequency (“RF”) energy at a first radar sensor tracking the object and determining in a computer process if a booster is propelling the object based on the wideband RF energy. The object is tracked in a computer process based on a ballistic trajectory if the booster is not propelling the object, and the object is tracked in a computer process based on a non-ballistic trajectory if the booster is propelling the object.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: February 24, 2015
    Assignee: Lockheed Martin Corporation
    Inventor: Richard N. Pedersen
  • Patent number: 8930063
    Abstract: A vehicle system and method that can determine object sensor misalignment while a host vehicle is being driven, and can do so without requiring multiple sensors with overlapping fields-of-view. In an exemplary embodiment where the host vehicle is traveling in generally a straight line, the present method uses an object sensor to track the path of a stationary object as it moves through the sensor's field-of-view and compares the sensed object path to an expected object pat*h. If the sensed and expected paths of the stationary object deviate by more than some amount, then the method determines that the object sensor is skewed or otherwise misaligned.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: January 6, 2015
    Assignee: GM Global Technology Operations LLC
    Inventors: Daniel Gandhi, Satish Rayarapu, Dmitriy Feldman
  • Patent number: 8912946
    Abstract: A submillimeter wavelength radar system has a receiver (20, 27, 90) for receiving and downconverting signals from content in a field of view of the system and a signal processor (30) arranged to determine information about the content from the downconverted signals, the radar system being arranged to obtain signals of the same points in the field of view from different illumination or receiving angles by having multiple illumination or receive positions, and the signal processor being arranged to use the determined information from the signals from the two or more angles to determine location or orientation of the content. By using information from different angles, it becomes possible to address or overcome the drawback of submillimeter wavelengths that most of the reflection is specular and so only surfaces of an object facing the radar system are detectable, meaning that many objects are unrecognisable.
    Type: Grant
    Filed: October 21, 2010
    Date of Patent: December 16, 2014
    Assignee: Toyota Motor Europe NV/SA
    Inventors: Hiromichi Yanagihara, Mineki Soga, Harald Franz Arno Merkel
  • Patent number: 8912950
    Abstract: This invention relates to sense through the wall radar. A main channel of a radar system (12) is operated at a frequency capable of penetrating opaque barriers such as the wall (24) of a building (22) to sense targets (16) therein. The main channel performance may be impaired by multipath interference, i.e., radar returns resulting from targets (20) outside the building (22) illuminated by reflection from the wall (24). A guard channel of the radar, operating at a higher frequency which does not penetrate the wall (24), is used to identify targets (20) outside the building (22) and suppress the multipath interference they produce in the main channel.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: December 16, 2014
    Assignee: Raytheon Company
    Inventor: Scott E. Adcook
  • Patent number: 8890745
    Abstract: A method of detecting an object includes receiving first reflected radio frequency (RF) signals from a region using an antenna and generating a first backscattering signature of the region from the first reflected RF signals. The method further includes receiving second reflected RF signals from the region subsequent to receiving the first reflected RF signals and generating at least one second backscattering signature of the region from the second reflected RF signals. The method further includes detecting a difference between the first backscattering signature and the second backscattering signature, and providing a warning indication in response to the difference between the first backscattering signature and the second backscattering signature.
    Type: Grant
    Filed: October 27, 2011
    Date of Patent: November 18, 2014
    Assignee: Raytheon Company
    Inventors: Gary Fred Wahlquist, Kuang-Yuh Wu
  • Patent number: 8890744
    Abstract: A method for detecting an object, comprising the steps of defining expected characteristics of scattered electromagnetic radiation to be received at a receiver; attenuating at least a portion of electromagnetic radiation received at the receiver by a presence of an object within a path of electromagnetic information; and detecting the attenuation to indicate a presence of the object. The object may be a low radar profile object, such as a stealth aircraft. The electromagnetic radiation is preferably microwave, but may also be radio frequency or infrared. By using triangulation and other geometric techniques, distance and position of the object may be computed.
    Type: Grant
    Filed: May 15, 2012
    Date of Patent: November 18, 2014
    Inventor: James L. Geer
  • Patent number: 8884813
    Abstract: One or more computers are configured to determine a human stress condition corresponding to one or more physical or physiological parameters extracted from one or more micro-impulse radar (MIR) signals.
    Type: Grant
    Filed: December 30, 2010
    Date of Patent: November 11, 2014
    Assignee: The Invention Science Fund I, LLC
    Inventors: Mahalaxmi Gita Bangera, Roderick A. Hyde, Muriel Y. Ishikawa, Edward K. Y. Jung, Jordin T. Kare, Eric C. Leuthardt, Nathan P. Myhrvold, Elizabeth A. Sweeney, Clarence T. Tegreene, David B. Tuckerman, Thomas Weaver, Lowell L. Wood, Jr., Victoria Y. H. Wood