Abstract: An electronic device determines information about a target and provides the information to another electronic device that has an obstructed view of the target. The other electronic device displays an image of the target with an orientation and a location of the target.

Abstract: A LiDAR range and speed measurement method and a LiDAR, are disclosed. Through the technical solution provided by the embodiment of the present application, it is possible to determine whether Doppler aliasing occurs based on a first local oscillator signal generated by a first laser and a second local oscillator signal generated by a second laser, the first local oscillator signal including multiple segments of first continuous wave signals, the second local oscillator signal including multiple segments of second continuous wave signals, the second continuous wave signal including a first swept frequency signal and a first constant frequency signal. In the event of Doppler aliasing, a first algorithm is used to calculate the distance and/or speed of the target object relative to the LiDAR, thereby improving the accuracy of the LiDAR ranging and speed measurement.

Abstract: The embodiments of the present disclosure provide a ranging system of a dual optical frequency comb time-of-flight manner based on dispersive Fourier transform. The embodiment of the present disclosure introduces a dispersive Fourier transform technology into a conventional dual optical frequency comb system, which amplifies a stray relationship of a pulse time domain using a dispersion element and obtains a precise position relationship of three pulses directly through interfering fringe information. Therefore, the “dead zone” in the conventional dual optical frequency comb ranging system is eliminated, and the ranging accuracy of the system is greatly improved, and a repetition frequency difference of the dual optical frequency combs can be increased to a magnitude of MHz, which greatly improves the ranging speed. The ranging system has advantages of a large measurement range, a high measurement accuracy, and a high measurement speed.

Abstract: A LIDAR transmitter includes a first transmitter array attached to a substrate and configured to generate a first array of laser beams. A first lens is positioned in an optical path of the first array of laser beams and configured to converge the first array of laser beams along the optical path. A second lens converges the first array of laser beams, wherein a position of a center of the second lens has a first radial offset from a center of the first transmitter array. A second transmitter array is attached to the substrate with a lateral offset from the first transmitter array and configured to generate a second array of laser beams. A third lens is configured to converge the second array of laser beams along the optical path. A fourth lens converges the second array of laser beams, wherein a position of a center of the fourth lens has a second radial offset from a center of the second transmitter array.

Abstract: A camera assembly (3) for use in medical tracking applications, comprising a range camera (4) and a thermographic camera (5) in a fixed relative position.

Abstract: Systems and methods for imaging and ranging sensors that sense objects around a vehicle. In one example, a light detection and ranging (LIDAR) sensor including a plurality of microelectromechanical (MEMS) mirrors may be operated such that a functional field of view of the LIDAR sensor is adjusted by changing a number of MEMS mirrors that are operated to scan an external environment surrounding the vehicle. For example, one or more mirrors may be turned on or off depending on an intended vehicle path. In some examples, while all the MEMS mirrors are operated, overall processing of data may be reduced by using data acquired from the number of mirrors that scan the desired field of view.

Abstract: Embodiments discussed herein refer to a relatively compact and energy efficient LiDAR system that uses a multi-plane mirror in its scanning system.

Abstract: A method for generating a map includes: acquiring a segment including a dividing line and a landmark on a road using a segment acquisition unit, setting a common landmark common with another segment, in the segment acquired by the segment acquisition unit using a common landmark setting unit, setting a dividing line in the segment using the common landmark set by the common landmark setting unit using a dividing line setting unit, and identifying the dividing line in the segment set by the dividing line setting unit, as a dividing line on a map and generates map data using a map data generation unit.

Abstract: Systems and methods for three-dimensional imaging are disclosed. A three-dimensional imaging system may include a light source to emit a light pulse. The divergence of the light pulse may be configurable by the system. For example, the system may also include a receiving lens having a field of view and configured to receive a portion of the light pulse reflected or scattered by a scene. The system may configure the light source so that the divergence of the light pulse matches or approximates the field of view of the receiving lens.

Abstract: Example embodiments relate to calibration systems for light detection and ranging (lidar) devices. An example calibration system includes a calibration target that includes a surface having at least one characterized reflectivity. The surface is configured to receive one or more calibration signals emitted by a lidar device along one or more optical axes when the lidar device is separated from the calibration target by an adjustable distance. The calibration system also includes at least one lens that modifies the one or more calibration signals. In addition, the system includes an adjustable attenuator configured to attenuate each of the one or more calibration signals to simulate, in combination with the at least one lens, a distance that is greater than the adjustable distance. Further, the system includes a calibration controller configured to analyze data associated with detected reflections of the one or more calibration signals.

Abstract: A platform for design of a lighting installation generally includes an automated search engine for retrieving and storing a plurality of lighting objects in a lighting object library and a lighting design environment providing a visual representation of a lighting space containing lighting space objects and lighting objects. The visual representation is based on properties of the lighting space objects and lighting objects obtained from the lighting object library. A plurality of aesthetic filters is configured to permit a designer in a design environment to adjust parameters of the plurality of lighting objects handled in the design environment to provide a desired collective lighting effect using the plurality of lighting objects.

Abstract: Surveying apparatus comprising an event-based camera comprising a dynamic vision sensor.

Abstract: A photogrammetry target includes a base including a first base side, configured to be fixedly mounted directly to a surface of a component, and a convex second base side opposite the first base side. The convex second base side is defined by a dome. The photogrammetry target further includes a plurality of retroreflective targets fixedly mounted to the dome. Each retroreflective target of the plurality of retroreflective targets includes a retroreflective surface facing a direction which is different than each other retroreflective surface of the plurality of retroreflective targets.

Abstract: An imaging device comprises: an image sensor to convert an optical image captured in light receiving elements arranged in an array on an imaging surface into sensor signals and output the sensor signals; a modulator provided on a light receiving surface of the image sensor and to modulate light by using a first grating pattern; an exposure control unit to determine an exposure condition based on the sensor signals, change a set exposure condition to the determined exposure condition, and control exposure in accordance with the changed exposure condition; and an image processing unit to generate a second grating pattern corresponding to the first grating pattern, generate a moiré fringe image based on the second grating pattern and the sensor signals, and generate a photographed image based on the moiré fringe image. The exposure condition includes an exposure time of the image sensor and a transmittance of the modulator.

Abstract: Embodiments discussed herein refer to a relatively compact and energy efficient LiDAR system that uses a multi-plane mirror in its scanning system.

Abstract: The subject disclosure relates to techniques for detecting an object. A process of the disclosed technology can include steps for receiving three-dimensional (3D) Light Detection and Ranging (LiDAR) data of the object at a first time, generating a first point cloud based on the 3D LiDAR data at the first time, receiving 3D LiDAR data of the object at a second time, generating a second point cloud based on the 3D LiDAR data at the second time, aggregating the first point cloud and the second point cloud to form an aggregated point cloud, and placing a bounding box around the aggregated point cloud. Systems and machine-readable media are also provided.

Abstract: A method for a computing system includes beaming with a radar emitter from a central hub, a plurality of radar signals into an interior room, receiving with a radar receiver within the central hub, a plurality of radar reflections in response to the plurality of radar signals, processing with a processor within the central hub, the plurality of radar reflections to form a plurality of processed radar signals, determining with an AI processor within the central hub, at least one activity from a plurality of activities in response to the plurality of processed radar signals, and determining with a central processing unit within the central hub, a notification action to perform in response to the one or more activities.

Abstract: Embodiments discussed herein refer to a relatively compact and energy efficient LiDAR system that uses a multi-plane mirror in its scanning system.

Abstract: A reference core position calculation device 100 that calculates a reference core position of an elevator shaft in which an elevator is to be installed includes a measurement unit 101 and a calculation unit 112. The measurement unit 101 measures a dimension of each portion of the elevator shaft. The calculation unit 112 calculates portion dimension values of the elevator shaft based on the reference core position and the dimension of each portion measured by the measurement unit 101. When the reference core position is a first reference core position, the calculation unit 112 determines whether portion dimension values of the elevator shaft calculated based on the first reference core position satisfy a predetermined specification.

Abstract: The invention relates to a device and a method for a contactless analysis of a product, in particular for the contactless analysis of a dough product. The device comprises a distance sensor configured for measuring a distance between the device and the product, and a nozzle configured for directing a jet of pressurized fluid to a position on a surface of said product. The distance sensor is arranged for measuring the distance between the device and the position of the surface where the jet of pressurized fluid is directed to. Preferably, the distance sensor is at least partially arranged in the nozzle, preferably substantially in the center of said nozzle.

Abstract: Method for controlling a lighting system with the lighting system including a plurality of light sources, wherein each light source is capable of emitting an elementary light beam with the vertical angular aperture of which is less than 1°. The method includes detecting a target object, determining a relative distance between a given point of the host vehicle sensor system and a detected point of the target object and determining a gradient of the road on which the target object is located, determining a lower angle and an upper angle between a given point of the host vehicle lighting system and a high cut-off point and a low cut-off point, controlling the light sources of the host vehicle lighting system in order to emit a pixelated light beam of the driving beam type in order to generate a dark zone extending substantially between the high and low cut-off points.

Abstract: System and method for registering aerial and ground data including locating rigid features such as walls in both aerial and ground data, registering the ground rigid data to the aerial rigid data, and transforming the ground data using the transform from the registration, including breaking the data into sectors and aligning the sectors. Deformities in the ground data are accommodated.

Abstract: A method for calibrating a computer-numerically-controlled machine can include capturing one or more images of at least a portion of the computer-numerically-controlled machine. The one or more images can be captured with at least one camera located inside an enclosure containing a material bed. A mapping relationship can be created which maps a pixel in the one or more images to a location within the computer-numerically controlled machine. The creation of the mapping relationship can include compensating for a difference in the one or more images relative to one or more physical parameters of the computer-numerically-controlled machine and/or a material positioned on the material bed. Related systems and/or articles of manufacture, including computer program products, are also provided.

Abstract: The present invention discloses an image processing-based laser emission and dynamic calibration apparatus and method, a device and a medium. The apparatus includes: an image acquisition system configured to acquire images of a target and a laser spot; an image processing system connected to the image acquisition system and configured to extract the target's attribute and coordinate information, and coordinate information of the laser spot; a control system connected to the image processing system and configured to sight or calibrate a laser emission angle based on a result of the image processing system, and send an instruction to a laser emission system; and the laser emission system bound to the image acquisition system and connected to the control system, and configured to calibrate the laser emission angle based on the instruction of the control system or emit laser. The present invention completes automatic adjustment of a laser emission angle.

Abstract: The present disclosure relates to a method for measuring a water level by using a UAV and virtual water control points and a method for generating 3D water surface spatial information, and a UAV used therefor. According to an embodiment, an UAV for a water surface survey includes: a position measurement unit configured to receive a GPS signal and to obtain position information of the UAV; a distance measurement unit including a plurality of laser measurement devices configured to project lasers toward the water surface; and a controller configured to calculate a moving distance of the UAV, based on measurement values of the position measurement unit and the distance measurement unit.

Abstract: The traffic flow estimation apparatus acquires images and position information and speed information, the images being captured at different timings by a first moving object that is in motion in a target area and including a second moving object around the first moving object, the position information and speed information being of the first moving object at the timings; estimates a lane in which the second moving object is in motion; and estimates a traffic flow for each lane in the target area based on the speed information of the first moving object, the information indicative of a change over time of positions of the second moving object, and the lanes in which the first moving object and the second moving object are in motion.

Abstract: Methods and apparatus for providing dynamically adjusted radiated signals are disclosed. In one aspect, a method of detecting one or more objects in a path of travel of a vehicle may include generating a laser with radiated power. The method may further include emitting the laser in a direction of travel of the vehicle and receiving one or more reflections of the emitted laser reflected from the one or more objects located in the direction of travel of the vehicle. The method may also further include generating a signal indicating that the one or more objects are in a path of the vehicle based on the received one or more reflections. The method may also include dynamically adjusting the radiated power of the laser based on an input corresponding to one or more of (i) a current speed of the vehicle or (ii) a current position of the vehicle.

Abstract: A Light Detection and Ranging (LIDAR) system includes a LIDAR transmitter and a controller. The LIDAR transmitter, driven by the controller, scans a field of view with laser beams, where each laser beam has a beam width that, when projected into a field of view, coincides with an angle region of the field of view. The LIDAR transmitter transmits a first plurality of laser beams in a first scan, where a first plurality of angle regions covered by the first plurality of laser beams are mutually exclusive of each other. The LIDAR transmitter transmits a second plurality of laser beams in a second scan, where a second plurality of angle regions covered by the second plurality of laser beams are mutually exclusive of each other. Each of the second plurality of angle regions partially overlaps with a different corresponding one of the first plurality of angle regions.

Abstract: Embodiments of this application disclose a laser frequency modulation method and device, a storage medium, and a laser device. The method includes: obtaining the current sweep mode of the laser device in a timing manner; when the current sweep mode is the single-band sweep mode, controlling the laser device to perform continuous sweeping on the preset band; and when the current sweep mode is the multi-band switching mode, obtaining the next band for the laser device to perform sweeping, and controlling the laser device to switch from the band to the next band.

Abstract: Techniques for facilitating testing analytics of imaging systems and methods using molds are provided. In one example, a system includes a mold temperature controller configured to apply a thermal signature to a mold of a target. The system further includes a focal plane array configured to capture an infrared image of the mold. The system further includes an image analytics device configured to determine thermal analytics associated with the mold based on the infrared image. Related devices and methods are also provided.

Abstract: An electronic device determines information about a target and provides the information to another electronic device that has an obstructed view of the target. The other electronic device displays an image of the target with an orientation and a location of the target.

Abstract: A method of calibrating errors in a time-of-flight (ToF) sensor includes illuminating a test object with a transmission light that is modulated based on a modulation signal; generating, using a buffer chain circuit, a plurality of demodulation signals having different local delay phases; providing a plurality of measured phase differences by providing the plurality of demodulation signals to a plurality of pixel groups included in a ToF sensor to sample a reception light reflected from the test object based on the plurality of demodulation signals; determining a wiggling error based on the plurality of measured phase differences, the wiggling error depending on a phase difference between the transmission light and the reception light; and calibrating a measured distance from the ToF sensor to a target object based on the wiggling error.

Abstract: Example embodiments relate to calibration systems for light detection and ranging (lidar) devices. An example calibration system includes a calibration target that includes a surface having at least one characterized reflectivity. The surface is configured to receive one or more calibration signals emitted by a lidar device along one or more optical axes when the lidar device is separated from the calibration target by an adjustable distance. The calibration system also includes at least one lens that modifies the one or more calibration signals. In addition, the system includes an adjustable attenuator configured to attenuate each of the one or more calibration signals to simulate, in combination with the at least one lens, a distance that is greater than the adjustable distance. Further, the system includes a calibration controller configured to analyze data associated with detected reflections of the one or more calibration signals.

Abstract: A laser tracker system and method of operating the laser tracker system is provided. The method includes providing a mobile computing device coupled for communication to a computer network. Identifying with the mobile computing device at least one laser tracker device on the computer network, the at least one laser tracker device including a first laser tracker device. The mobile computing device is connected to the first laser tracker device to transmit signals therebetween via the computer network in response to a first input from a user. One or more control functions are performed on the first laser tracker device in response to one or more second inputs from the user, wherein at least one of the one or more control functions includes selecting with the mobile computing device a retroreflective target and locking the first light beam on the retroreflective target.

Abstract: A time-of-flight camera has; an illumination source for illuminating a scene; an image sensor for detecting light; and a processor configured to: control the image sensor for scanning a scene for detecting illumination; determine a time slot for illumination of the scene, based on the scanning result of the scene; and control the illumination source to illuminate the scene in the determined time slot, based on a time-division multiple access scheme.

Abstract: Embodiments discussed herein refer to LiDAR systems to focus on one or more regions of interests within a field of view.

Abstract: A camera assembly for use in medical tracking applications having a range camera and a thermographic camera in a fixed relative position. The range camera is configured to acquire a first image of an object at a first instant of time and a second image at a second instant of time. The thermographic camera is configured to acquire a first thermal image of the object at the first instant and a second thermal image at the second instant. A processor identifies at least one point pair in the first thermal image and the second thermal image. The at least one point pair is mapped to corresponding point pairs associated with the first image and the second image. Movement of the object is determined based on the mapping.

Abstract: A sensing device that is configured to determine a depth result based on time-of-flight value is introduced. The sensing device includes a delay locked loop circuit, a plurality of time-to-digital converters, a multiplexer and a digital integrator. The delay locked loop circuit is configured to output a plurality of delay clock signals through output terminals of the delay locked loop circuit. The plurality of time-to-digital converters include a plurality of latches. The multiplexer is configured to select a sub-group of m latches among the latches of the plurality of time-to-digital converters to be connected to the output terminals of the delay locked loop circuit according to a control signal.

Abstract: A receiving arrangement for receiving light signals and a method for receiving light signals are proposed, wherein a light receiver is provided, which serves for receiving the light signals and converting them into electrical signals. Furthermore, an evaluation circuit is provided, which, depending on the electrical signals and a start signal for the emission of the light signals, determines a distance between the receiving arrangement and an object at which the light signals are reflected. A characterizing feature is that the light receiver has a first group of light-receiving elements, which has a higher sensitivity for receiving the light signals than at least one further group of light-receiving elements, wherein the first and the further groups are ready for reception at different times.

Abstract: Systems and methods for measuring displacements at the picometer level are provided. A system can include a Michelson interferometer having a fixed arm and a measurement arm. As the length of the measurement arm changes, the output supplied to the interferometer from a variable wavelength light source is changed until the intensity of the resulting inference pattern is maximized. The wavelength of the light at the point the interference pattern is maximized is then measured by mixing light from the light source with the output from a frequency comb generator. The resulting frequency measurement is then converted to a length measurement.

Abstract: A projecting apparatus includes a projecting device, an image-capturing device and a processing device. The projecting device projects a reversible structured light code onto a surface. The image-capturing device captures the reversible structured light code projected onto the surface and obtains image data. The processing device is coupled to the projecting device and the image-capturing device. The processing device receives the image data, generates three-dimensional point cloud information by performing decoding on the image data, and obtains scanning shift information corresponding to the projecting device according to the three-dimensional point cloud information and three-dimensional information corresponding to the surface.

Abstract: A system and method of LIDAR imaging to overcome scattering effects pulses a scene with light pulse sequences from a light source. Reflected light from the scene is measured for each light pulse to form a sequence of time-resolved signals. Time-resolved contrast is calculated for each location in a scene. A three-dimensional map or image of the scene is created from the time-resolved contrasts. The three-dimensional map is then utilized to affect operation of a vehicle.

Abstract: An autonomous vehicle having a lidar sensor system is described. A computing system is configured to determine that the lidar sensor system is to update a code that is included in light signals emitted by the lidar sensor system. The computing system transmits a command signal to the lidar sensor system, wherein the command signal causes the lidar sensor system to transition from emitting light signals with a first code therein to emitting light signals with a second code therein, wherein the first code is different from the second code.

Abstract: A platform for design of a lighting installation generally includes an automated search engine for retrieving and storing a plurality of lighting objects in a lighting object library and a lighting design environment providing a visual representation of a lighting space containing lighting space objects and lighting objects. The visual representation is based on properties of the lighting space objects and lighting objects obtained from the lighting object library. A plurality of aesthetic filters is configured to permit a designer in a design environment to adjust parameters of the plurality of lighting objects handled in the design environment to provide a desired collective lighting effect using the plurality of lighting objects.

Abstract: This technology describes one type of CAVH services focusing on fixed-route trips such as commuting, shopping, school, and other trips that users previously travel recurrently and frequently. The technology describes the system architecture of the proposed fixed-route services. The technology includes methods of calibrating, providing, and optimizing the functionalities of such fixed-route services. The detailed methods are proposed for pre-trip, enroute, trip chaining, and post-trip operations, the cyber-physical security, and privacy protection for the users and participating vehicles.

Abstract: An imaging system includes a base, an imaging lens fixedly attached to the base, a board, a first set of flexures flexibly attaching the board to the base, and a detector mounted on the board and positioned at an image plane of the imaging lens. The imaging system further includes a driving mechanism configured to scan the board via the first set of flexures in a plane substantially perpendicular to an optical axis of the imaging lens, thereby scanning the detector to a plurality of image positions in the image plane. The imaging system further includes electronic circuitry configured to read out a respective electrical signal output by the detector as the detector is scanned to each respective image position of the plurality of image positions in the image plane, and generate an image based on the electrical signals read out from the detector at the plurality of image positions.

Abstract: A system and method for measuring three-dimensional (3D) coordinate values of an environment is provided. The method including moving a scanning platform through the environment along a path. The position of the scanning platform is localized using the scanner. 3D coordinate values are with a 3D scanner that is coupled to the scanning platform.

Abstract: In an example implementation, a method of processing a 3D object model includes receiving render data of a 2D slice of a 3D object model and generating distance values indicating how far away voxels in the 2D slice are from a nearest edge of the 3D object model. The method also includes detecting a feature of the 3D object model from the distance values, and generating modified render data to be subsequently used in a 3D printing system to produce the feature in a 3D part.

Abstract: A mobile communication device-based corneal topography system includes an illumination system, an imaging system, a topography processor, an image sensor, and a mobile communication device. The illumination system is configured to generate an illumination pattern reflected off a cornea of a subject. The imaging system is coupled to an image sensor to capture an image of the reflected illumination pattern. A topography processor is coupled to the image sensor to process the image of the reflected illumination pattern. The mobile communications device includes a display, the mobile communications device is operatively coupled to the image sensor. The mobile communications device includes a mobile communications device (MCD) processor. A housing at least partially encloses one or more of the illumination system, the imaging system, or the topography processor.

Abstract: A measuring method, wherein point cloud data of a building is acquired by a laser scanner, wherein the laser scanner has an attitude detector for detecting a tilting with respect to a horizontality or a verticality, converts the point cloud data into a horizontal distance and a height or a difference of a height based on the tilting detected by the attitude detector, sets a height line at a predetermined height on a wall surface, averages a horizontal distance information of the point cloud data included in a predetermined width with the height line as a center in a height direction, further develops the horizontal distance information along the height line in a horizontal direction, and measures a horizontal cross section at the predetermined height.