Patents by Inventor Jung-Hee Suk
Jung-Hee Suk has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20140222320Abstract: Provided is an operating method of a road guide system including collecting traffic information around a portable device through the portable device; delivering, to a server, the traffic information collected from the portable device and travel path information; updating the delivered travel path information based on the delivered traffic information; and feeding back the updated travel path information from the server to the portable device.Type: ApplicationFiled: December 3, 2013Publication date: August 7, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Chun-Gi LYUH, Ik Jae CHUN, Jung Hee SUK, Tae Moon ROH
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Patent number: 8799529Abstract: Disclosed is an operating method of a direct memory access (DMA) controller having first and second DMA channels. The operating method includes iteratively performing a DMA transfer operation of the first DMA channel based upon loop information and transfer information of the first DMA channel; iteratively performing a DMA transfer operation of the second DMA channel based upon loop information and transfer information of the second DMA channel; reconfiguring the transfer and loop information of the first and second DMA channels; and again performing the iteratively performing a DMA transfer operation of the first DMA channel and the iteratively performing a DMA transfer operation of the first DMA channel based upon the reconfigured transfer and loop information of the first and second DMA channels.Type: GrantFiled: September 23, 2011Date of Patent: August 5, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Ik Jae Chun, Chun-Gi Lyuh, Jung Hee Suk, Sanghun Yoon, Tae Moon Roh
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Patent number: 8755624Abstract: Disclosed is an image registration device which includes an image input unit which receives an image; an image information generating unit which generates a homography matrix from the input image; and a warping unit which registers an image based on the homography matrix. The registration information generating unit comprises a distance information generator which generates distance information on subjects of the input image; a distance information modeler which approximates the generated distance information; an overlap information generator which generates overlap information from the approximated distance information; a matching pair determiner which determines a matching pair from the overlap information; and a homography matrix generator which generates a homography matrix from the matching pair.Type: GrantFiled: August 14, 2012Date of Patent: June 17, 2014Assignee: Electronics & Telecommunications Research InstituteInventors: Jung Hee Suk, Sanghun Yoon, Chun-Gi Lyuh, Ik Jae Chun, Tae Moon Roh
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Publication number: 20140159631Abstract: Provided is a motor position detecting unit that includes a first computing element configured to output three-phase back-electromotive foreces (back-EMFs) based on a linear computation; a second computing element configured to output three-phase back-EMF based on a non-linear computation; and a computing controller configured to receive a control signal, three-phase voltage and current, and selecting any one of the first and second computing elements based on the received control signal, the received three-phase voltages and currents, wherein the control signal includes information on operation modes of an external motor.Type: ApplicationFiled: June 4, 2013Publication date: June 12, 2014Inventors: Jung Hee SUK, Jimin OH, Minki KIM, Yil Suk YANG
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Publication number: 20140159632Abstract: A motor driving module is provided which includes a motor driving unit configured to control a PWM inverter on the basis of positional information and a control signal; a PWM inverter configured to output three-phase voltages on the basis of DC power according to control of the motor driving unit; a phase voltage estimating unit configured to output three-phase estimated voltages on the basis of the positional information, the DC power, and a voltage modulation index; and a position detecting unit configured to output the positional information on the basis of the three-phase estimated voltages, wherein the positional information is on an external motor that operates on the basis of the three-phase voltages.Type: ApplicationFiled: June 5, 2013Publication date: June 12, 2014Inventors: Minki KIM, Jimin Oh, Jung Hee Suk, Yil Suk Yang
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Publication number: 20140159625Abstract: The inventive concept provides a motor driving module, a operating method for the same, and a Brush less Direct Current (BLDC) motor system. The motor driving module is provided which comprises a motor driving unit configured to output a plurality of switching signals based on a plurality of position signals and a control signal; and a Pulse Width Modulation (PWM) inverter configured to output 3-phase voltages based on the plurality of switching signals outputted from the motor driving unit, wherein the motor driving unit comprises; a correction circuit configured to detect an error of the plurality of position signals to output a compensation signal based on the detecting result; and a control circuit configured to output the plurality of switching signals based on the compensation signal and the control signal, wherein the plurality of position signals indicate a position of a rotor in an external motor.Type: ApplicationFiled: August 5, 2013Publication date: June 12, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Jimin Oh, Minki Kim, Jung Hee Suk, Yil Suk Yang
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Patent number: 8731059Abstract: An apparatus that calculates a Sum of Absolute Differences (SAD) for motion estimation of a variable block capable of parallelly calculating SAD values with respect to multiple current frame macroblocks at a time is presented. The apparatus includes a PE array unit including at least one Processing Element (PE) that is aligned in the form of a matrix, and parallelly calculating a SAD value of at least one pixel provided in multiple serial current frame macroblocks, a local memory including current frame macroblock data, reference frame macroblock data, and reference frame search area data, and transmitting the data to each PE that is provided in the PE array unit, and a controller for making a command for the data that are provided in the local memory to be transmitted corresponding to at least one pixel, on which each PE provided in the PE array unit performs calculation.Type: GrantFiled: April 18, 2008Date of Patent: May 20, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Yil Suk Yang, Jung Hee Suk, Chun Gi Lyuh, Ik Jae Chun, Tae Moon Roh, Jong Dae Kim, Ki Chul Kim, Jung Hoon Kim
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Patent number: 8693785Abstract: Provided is an image matching method of matching at least two images. The image matching method extracts feature points of a reference image and feature points of a target image, changes a feature point, selected from among the feature points of the reference image, to a reference point in the target image, sets a matching candidate region on the basis of the reference point, in the target image, and performs a similarity operation between the selected feature point in the reference image and a plurality of feature points included in the matching candidate region among the feature points of the target image. The image matching method decreases the number of similarity operations performed in the image matching operation, thereby guaranteeing a high-speed operation.Type: GrantFiled: August 17, 2011Date of Patent: April 8, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Jung Hee Suk, Sanghun Yoon, Chun-Gi Lyuh, Ik Jae Chun, Tae Moon Roh
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Publication number: 20130265414Abstract: The present invention relates to a vehicle accident prevention apparatus comprising a camera unit which photographs an image of a front view, an image recognition unit which processes the image of the front view to detect the registration number of a vehicle driving in front of the vehicle from a license plate of the vehicle driving in front of the vehicle, a wireless communication unit which receives accident prevention information containing an identifier and speed of the vehicle driving in front of the vehicle, a speed sensing unit which senses the speed of the vehicle equipped with the apparatus of the present invention, and a determining and control unit which identifies the vehicle driving in front of the vehicle by matching the registration number and the identifier of the vehicle driving in front of the vehicle, and generates a control signal for preventing vehicle accident by performing a speed comparison.Type: ApplicationFiled: December 15, 2011Publication date: October 10, 2013Applicants: Anadong National University Industry-Academic Cooperation Foundation, Electronics and Telecommunications Research InstituteInventors: Sanghun Yoon, Jung Hee Suk, Chun-Gi Lyuh, Ik Jae Chun, Tae Moon Roh, Jaechang Shim, Wookjin Chung, Yeunghak Lee
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Publication number: 20130268467Abstract: Provided is a training function generating method. The method includes: receiving training vectors; calculating a training function from the training vectors; comparing a classification performance of the calculated training function with a predetermined classification performance and recalculating a training function on the basis of a comparison result, wherein the recalculating of the training function includes: changing a priority between a false alarm probability and a miss detection probability of the calculated training function; and recalculating a training function according to the changed priority.Type: ApplicationFiled: September 14, 2012Publication date: October 10, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Sanghun YOON, Chun-Gi Lyuh, Ik Jae Chun, Jung Hee Suk, Tae Moon Roh
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Patent number: 8520893Abstract: Provided are a system and method for detecting an object. The method includes selecting a macroscopic scan mode in which there are a small number of divided regions or a microscopic scan mode in which there are a large number of divided regions according to complexity of a background including an object to be detected, dividing an input image into one or more regions according to the selected scan mode, merging adjacent regions having similar characteristics among the divided regions, extracting a search region by excluding a region having a high probability that the object to be detected does not exist from the divided or merged regions, extracting feature data including a feature vector for detecting the object in the search region, and detecting the object in the search region using the extracted feature data.Type: GrantFiled: November 18, 2010Date of Patent: August 27, 2013Assignees: Electronics and Telecommunications Research Institute, Andong University Industry-Academic Cooperation FoundationInventors: Jung Hee Suk, Chun Gi Lyuh, Ik Jae Chun, Jeong Hwan Lee, Jae Chang Shim, Mi Soon Choi, Wook Jin Chung, Yeung Hak Lee, Tae Moon Roh
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Publication number: 20130166801Abstract: Disclosed is a bus bridge apparatus may prevent a transfer performance from being lowered due to bus protocol performance mismatch between interconnections. The bus bridge apparatus is used to transfer data to a slave device of a network-based interconnection from a master device of a bus-based interconnection, data of the master device may be buffered by an internal buffer, and may then be transferred to the slave device. At this time, lowering of a transfer efficiency may be prevented by converting a transfer timing of addresses and data to be optimized to a transfer protocol of the network-based interconnection through a protocol converter.Type: ApplicationFiled: September 14, 2012Publication date: June 27, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Ik Jae Jae CHUN, Chun-Gi LYUH, Jung Hee SUK, Sanghun YOON, Tae Moon ROH
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Publication number: 20130154527Abstract: Disclosed is a hall sensor signal generating device which includes a rotor which has a magnetic property and rotates on the basis of a rotary axis; a hall sensor unit which is disposed to be spaced apart from a stator disposed outside the rotor; and a clock synchronization unit which receives a driving clock, performs synchronization between the driving clock and a hall sensor signal output from the hall sensor unit, and outputs the synchronized driving clock and the synchronized hall sensor signal.Type: ApplicationFiled: August 15, 2012Publication date: June 20, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Jung Hee SUK, Yil Suk Yang, Tae Moon Roh
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Publication number: 20130156336Abstract: Disclosed is an image registration device which includes an image input unit which receives an image; an image information generating unit which generates a homography matrix from the input image; and a warping unit which registers an image based on the homography matrix. The registration information generating unit comprises a distance information generator which generates distance information on subjects of the input image; a distance information modeler which approximates the generated distance information; an overlap information generator which generates overlap information from the approximated distance information; a matching pair determiner which determines a matching pair from the overlap information; and a homography matrix generator which generates a homography matrix from the matching pair.Type: ApplicationFiled: August 14, 2012Publication date: June 20, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Jung Hee Suk, Sanghun Yoon, Chun-Gi Lyuh, Ik Jae Chun, Tae Moon Roh
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Publication number: 20130156319Abstract: Provided are a feature vector extractor and a recognition device using the same. The feature vector classifier includes a feature vector extractor configured to generate a feature vector and a normalized value from an input image and output the feature vector and the normalized value; and a feature vector classifier configured to normalize the feature vector based on the normalized value and classify the normalized feature vector to recognize the input image. Thus, during extraction and classification of a feature vector, time required for the extraction and classification and the size of hardware required are significantly reduced.Type: ApplicationFiled: July 17, 2012Publication date: June 20, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Chun-Gi LYUH, Ik Jae CHUN, Jung Hee SUK, Sanghun YOON, Tae Moon ROH
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Publication number: 20130103620Abstract: Disclosed is a feature vector classification device which includes an initial condition setting unit; a variable calculating unit configured to receive a training vector and to calculate an error and a weight according to setting of the initial condition setting unit; a loop deciding unit configured to determine whether re-calculation is required, based on a comparison result between the calculated error and an error threshold; and a hyperplane generating unit configured to generate a hyperplane when an end signal is received from the loop deciding unit.Type: ApplicationFiled: June 12, 2012Publication date: April 25, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Sanghun YOON, Chun-Gi Lyuh, Ik Jae Chun, Jung Hee Suk, Tae Moon Roh
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Patent number: 8407276Abstract: Provided is an apparatus for calculating an absolute difference capable of efficiently performing an absolute difference using an adder. The apparatus for calculating an absolute difference includes a comparator comparing values of two integers, first and second selectors each selecting and outputting one of the two integers according to the comparison results of the comparator, an inverter complementing the result value selected by the second selector; and an adder adding up the result value selected by the first selector, the value complemented by the inverter, and 1.Type: GrantFiled: July 26, 2010Date of Patent: March 26, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Chun Gi Lyuh, Ik Jae Chun, Jung Hee Suk, Tae Moon Roh, Jong Kee Kwon, Jong Dae Kim
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Patent number: 8369620Abstract: Provided are an object detection device and system. The object detection device includes an outline image extraction unit, a feature vector calculation unit, and an object judgment unit. The outline image extraction unit extracts an outline image from an input image. The feature vector calculation unit calculates a feature vector from the outline image by using histogram of oriented gradients (HOG) representing a frequency distribution of gradient vectors with respect to pixels of the outline image, and pixel coordinate information varying according to a spatial distribution of the gradient vectors. The object judgment unit judges a target object corresponding to the feature vector with reference to pre-learned data.Type: GrantFiled: January 20, 2011Date of Patent: February 5, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Chun-Gi Lyuh, Sanghun Yoon, Ik Jae Chun, Jung Hee Suk, Tae Moon Roh, You-sun Kim, Sung-Jea Ko
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Publication number: 20120314940Abstract: An image recognition device in accordance with the inventive concept may include an input vector extraction part extracting an input vector from an input image; a compression vector conversion part converting the input vector into a compression vector using a projection vector; a training parameter generation part receiving a training vector to generate a training parameter using a projection vector obtained through a folding operation of the training vector; and an image classification part classifying the compression vector using the training vector to output image recognition data.Type: ApplicationFiled: May 18, 2012Publication date: December 13, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Sanghun YOON, Chun-Gi Lyuh, Ik Jae Chun, Jung Hee Suk, Tae Moon Roh
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Publication number: 20120158248Abstract: A vehicle safety sensor control device is provided. The vehicle safety sensor control device may include a slope sensor portion sensing a slope of vehicle; a safety sensor portion sensing running safety information for a vehicle safety running; a sensing control angle generation portion sensing a sensing control angle from the sensed slope; and a safety sensor control portion controlling up and down direction angles of the safety sensor on the basis of a horizontal plane of vehicle depending on the sensing control angle.Type: ApplicationFiled: September 23, 2011Publication date: June 21, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Jung Hee Suk, Chun-Gi Lyuh, Ik Jae Chun, Sanghun Yoon, Tae Moon Roh