Patents by Inventor Jin-Soo Choi

Jin-Soo Choi 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).

  • Patent number: 10397599
    Abstract: An inter prediction method according to the present invention comprises: a step for deriving reference motion information related to a unit to be decoded in a current picture; and a step for performing motion compensation for the unit to be decoded, using the reference motion information that has been derived. According to the present invention, image encoding/decoding efficiency can be enhanced.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: August 27, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Hui Yong Kim, Se Yoon Jeong, Suk Hee Cho, Jong Ho Kim, Ha Hyun Lee, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn
  • Patent number: 10397604
    Abstract: This document discloses a method and apparatus for image encoding/decoding which support multiple layers. The method for image decoding comprises analyzing a video parameter set (VPS) extension for layer dependency on a current layer, analyzing slices for layer dependency on a current slice by determining whether not to apply layer dependency to the current slice or to apply new layer dependency to the current slice, the new layer dependency determining within a range of layer dependency analyzed from the VPS extension, and constructing a reference picture list about the current layer based on at least one of layer dependency analyzed from the VPS extension and layer dependency analyzed from the slice.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: August 27, 2019
    Assignees: Electronics and Telecommunications Research Institute, INDUSTRY-ACADEMIC COOPERATION GROUP OF SEJONG UNIVERSITY
    Inventors: Jung Won Kang, Ha Hyun Lee, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim, Jong Ki Han, Jae Yung Lee
  • Patent number: 10397584
    Abstract: A method of decoding a image according to an embodiment of the present invention, which supports a plurality of layers, may comprise the steps of: receiving information on a reference layer used to decode a current picture for inter-layer prediction; inducing the number of valid reference layer pictures used to decode the current picture on the basis of the information on the reference layer; and performing inter-layer prediction on the basis of the number of valid reference layer pictures.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: August 27, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Ha Hyun Lee, Jung Won Kang, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim
  • Patent number: 10397589
    Abstract: The present invention relates to a method for predicting an inter-layer of an image having a plurality of layers including at least one temporal sub-layer. The method according to present invention comprises the steps of: acquiring information on a temporal sub-layer for inter-layer prediction; inducing a reference picture used for predicting an inter-layer of a current picture on the basis of the information on the temporal sub-layer; and predicting the inter-layer of the current picture on the basis of the reference picture.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: August 27, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Ha Hyun Lee, Jin Ho Lee, Jung Won Kang, Jin Soo Choi, Jin Woong Kim
  • Patent number: 10392009
    Abstract: An automatic parking system is provided. The automatic parking system includes a camera processor that acquires images around a subject vehicle, converts the acquired images into external images and synthesizes the external images. A sensor processor measured spaced distances between the subject vehicle and surrounding vehicles. A parking space recognizing unit periodically receives the spaced distances and the external images and comparing the consecutive external images with the spaced distances using an image recognition technology to recognize parking areas. A controller calculates a moving path between a current position of the subject vehicle and an optimal parking area and operates the subject vehicle based on the moving path.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: August 27, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Yoon Soo Kim, Joo Woong Yang, Dae Joong Yoon, Seung Wook Park, Jae Seob Choi, Kyung Soo Ha, Min Byeong Lee, Jin Ho Park, In Yong Jung
  • Patent number: 10397598
    Abstract: A method for decoding an image according to the present invention comprises the steps of: restoring a residual block by performing inverse quantization and inverse transformation for the entropy-decoded residual block; generating a prediction block by performing intra prediction for a current block; and restoring an image by adding the restored residual block to the prediction block, wherein the step of generating the prediction block further comprises a step for generating a final prediction value of a pixel to be predicted, on the basis of a first prediction value of the pixel to be predicted, which is included in the current block, and of a final correction value that is calculated by performing an arithmetic right shift by a binary digit I for a two's complement integer representation with respect to an initial correction value of the pixel to be predicted. The operational complexity during image encoding/decoding can be reduced.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: August 27, 2019
    Assignee: Electronics and Telecommunications Research Institue
    Inventors: Hui Yong Kim, Jin Ho Lee, Sung Chang Lim, Jin Soo Choi, Jin Woong Kim
  • Publication number: 20190261006
    Abstract: The present invention relates to a method and device for sharing a candidate list. A method of generating a merging candidate list for a predictive block may include: producing, on the basis of a coding block including a predictive block on which a parallel merging process is performed, at least one of a spatial merging candidate and a temporal merging candidate of the predictive block; and generating a single merging candidate list for the coding block on the basis of the produced merging candidate. Thus, it is possible to increase processing speeds for coding and decoding by performing inter-picture prediction in parallel on a plurality of predictive blocks.
    Type: Application
    Filed: May 1, 2019
    Publication date: August 22, 2019
    Applicants: Electronics and Telecommunications Research Institute, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Hui Yong KIM, Gwang Hoon PARK, Kyung Yong KIM, Sang Min KIM, Sung Chang LIM, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM
  • Publication number: 20190261066
    Abstract: The present invention relates to a compact video generation device and method, and a recording medium in which a computer program is recorded. A compact video generation device according to the present invention may comprise: an object extraction unit for separating a photographed image into a background image and a foreground image and extracting objects included in the separated foreground image; an object collision calculation unit for separately generating an occupation matrix having a changed scale thereof from the foreground image, and calculating collision by using a calculation between occupation matrices of different objects, when a collision occurs between the extracted objects; an object rearrangement unit for rearranging the objects within a range in which no collision visually occurs; and a summary image generation unit for generating a summary image by combining the photographed background image and the rearranged objects.
    Type: Application
    Filed: June 16, 2017
    Publication date: August 22, 2019
    Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY )
    Inventors: Jin Ha JEONG, Whoi Yul KIM, Kun Woo CHOI, Moon Soo RA
  • Publication number: 20190261004
    Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.
    Type: Application
    Filed: April 18, 2019
    Publication date: August 22, 2019
    Inventors: Hae Chul CHOI, Se Yoon JEONG, Sung-Chang LIM, Jin Soo CHOI, Jin Woo HONG, Dong Gyu SIM, Seoung-Jun OH, Chang-Beom AHN, Gwang Hoon PARK, Seung Ryong KOOK, Sea-Nae PARK, Kwang-Su JEONG
  • Publication number: 20190246103
    Abstract: An image encoding method and an image decoding method are provided. The image decoding method includes deriving a temporal merge candidate from a co-located block of a current block, generating a merge candidate list of the current block based on the derived temporal merge candidate, and generating a prediction block of the current block based on the generated merge candidate list. The deriving a temporal merge candidate includes scaling a motion vector derived from the co-located block based on a POC difference value between the current block and a reference picture of the current block and a POC difference value between the co-located block and a reference picture of the co-located block, and modifying the scaled motion vector based on motion vector scaling information between a neighboring block of the current block and a co-located block of the neighboring block.
    Type: Application
    Filed: September 26, 2017
    Publication date: August 8, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Dong San JUN, Ha Hyun LEE, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Jin Ho LEE, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • Publication number: 20190246102
    Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. A virtual frame is generated by a video generation network including a generation encoder and a generation decoder. The virtual frame is used as a reference frame in inter prediction for a target. Further, a video generation network for inter prediction may be selected from among multiple video generation networks, and inter prediction that uses the selected video generation network may be performed.
    Type: Application
    Filed: February 7, 2019
    Publication date: August 8, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung-Hyun CHO, Youn-Hee KIM, Jin-Wuk SEOK, Joo-Young LEE, Woong LIM, Jong-Ho KIM, Dae-Yeol LEE, Se-Yoon JEONG, Hui-Yong KIM, Jin-Soo CHOI, Je-Won KANG, Na-Young KIM
  • Publication number: 20190244704
    Abstract: A dietary habit management apparatus and method are provided. The dietary habit management apparatus includes a bio-signal acquirer configured to acquire a bio-signal of a user, and a processor configured to obtain a total peripheral resistance (TPR) reflected index, from the bio-signal that is acquired by the bio-signal acquirer, and determine whether the user has eaten food, based on the TPR reflected index.
    Type: Application
    Filed: February 4, 2019
    Publication date: August 8, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Youn Ho Kim, Byung Hoon Ko, Yunseo Ku, Yong Joo Kwon, Ui Kun Kwon, Young Soo Kim, Jin Young Park, Jong Wook Lee, Dae Geun Jang, Chang Mok Choi, Jae Min Kang, Seung Woo Noh, Sang Yun Park, Chang Soon Park, Seung Keun Yoon
  • Patent number: 10375400
    Abstract: A method of decoding a image according to an embodiment of the present invention, which supports a plurality of layers, may comprise the steps of: receiving information on a reference layer used to decode a current picture for inter-layer prediction; inducing the number of valid reference layer pictures used to decode the current picture on the basis of the information on the reference layer; and performing inter-layer prediction on the basis of the number of valid reference layer pictures.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: August 6, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Ha Hyun Lee, Jung Won Kang, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim
  • Publication number: 20190238850
    Abstract: The present invention relates to a method for encoding and decoding a quantized matrix and an apparatus using same, the method for encoding a quantized matrix according to the present invention comprising the steps of: determining a quantization matrix to be used for quantization and quantizing; determining the prediction method used for the quantization of the quantization matrix; and encoding quantization matrix information on the basis of the determined prediction method, wherein the prediction method can be either a prediction method between coefficients in the quantization matrix or a duplicate of the quantization matrix.
    Type: Application
    Filed: April 5, 2019
    Publication date: August 1, 2019
    Inventors: Sung Chang LIM, Hui Yong KIM, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM
  • Publication number: 20190238841
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus according to the present invention may comprise deriving an intra-prediction mode of a current block, and performing intra-prediction for the current block based on the intra-prediction mode. The deriving of the intra-prediction mode may comprise decoding a predetermined mode sameness indicator.
    Type: Application
    Filed: October 24, 2017
    Publication date: August 1, 2019
    Applicants: Electronics and Telecommunications Research Institute, Industry-University Cooperation Foundation Korea Aerospace University, Hanbat National University Industry-Academic Cooperation Foundation
    Inventors: Jin Ho LEE, Sung Chang LIM, Jung Won KANG, Hyun Suk KO, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jae Gon KIM, Do Hyeon PARK, Jin Soo CHOI, Hae Chul CHOI
  • Publication number: 20190227545
    Abstract: Provided are a method and a device for assisting with driving of a vehicle, the method including sensing an ambient environment of location of a vehicle by using one or more sensors mounted on or in the vehicle; obtaining sensing information about the ambient environment based on the sensing of the ambient environment; comparing map information stored in the vehicle with the obtained sensing information; determining a map reliability of the map information based on a result of the comparing; and controlling the driving of the vehicle based on the determined map reliability.
    Type: Application
    Filed: December 31, 2018
    Publication date: July 25, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin Woo Yoo, Mid Eum Choi, Chang Soo Park, A Ron Baik, Je Woong Ryu, In Hak Na
  • Publication number: 20190228832
    Abstract: A memory device includes a plurality of receivers that each include a first input terminal coupled to one pin of a plurality of input/output pins. The memory devices further includes a transmitter having an output terminal coupled to the first input terminals of the plurality of receivers. The memory device further includes a control circuit configured to control the transmitter to output a particular test signal. The plurality of receivers are each configured to generate output data based on receiving the particular test signal from the transmitter. The control circuit is further configured to adjust the plurality of receivers based on the output data generated by the plurality of receivers and received at the control circuit from the plurality of receivers.
    Type: Application
    Filed: July 9, 2018
    Publication date: July 25, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jin Seok HEO, Jung Hwan CHOI, Wang Soo KIM, Yoo Chang SUNG, Jun Ha LEE, Ju Ho JEON
  • Publication number: 20190229556
    Abstract: Provided are a wireless power transmission device and a wireless power transmission system. The wireless power transmission device, according to one embodiment of the present invention, may comprise: a dipole coil comprising a core, and a conducting wire wound at the center part of the core; a power unit for supplying a current to the conducting wire; and a canceling coil for canceling a magnetic field radiated from a lateral surface of the dipole coil.
    Type: Application
    Filed: September 1, 2017
    Publication date: July 25, 2019
    Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Young-ho CHOI, Chun-taek RIM, Eun-soo LEE, Byeong-guk CHOI, Jin-soo CHOI, Kyu-sung LEE
  • Publication number: 20190230379
    Abstract: The multi sample prediction method of the present invention comprises the steps of: determining a sample group consisting of a plurality of samples inside a decoding target block; determining a representative position corresponding to the sample group, inside the decoding target block; determining a representative prediction value for the sample group, on the basis of the determined representative position; and determining the determined representative prediction value as the final prediction value for each of the plurality of samples making up the sample group. The present invention enhances efficiency in encoding/decoding and reduces complexity thereof.
    Type: Application
    Filed: April 3, 2019
    Publication date: July 25, 2019
    Inventors: Jin Ho Lee, Hui Yong Kim, Sung Chang Lim, Jong Ho Kim, Ha Hyun Lee, Jin Soo Choi, Jin Woong Kim
  • Publication number: 20190222068
    Abstract: The present invention relates to a display apparatus and operational method therefor, and an electronic apparatus, and the display apparatus according to an embodiment of the present invention may comprise: a resonance circuit unit for generating voltage by means of inductive electromotive force generated due to an external apparatus; a capacitance variance unit for varying the capacitance (Cv) of the resonance circuit unit in order to control the resonance point thereof, the resonance point having been changed due to the distance from the external apparatus; and a display panel for implementing an image by means of the voltage.
    Type: Application
    Filed: July 17, 2017
    Publication date: July 18, 2019
    Applicants: SAMSUNG ELECTRONICS CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Young-ho CHOI, Chun Taek RIM, Eun Soo LEE, Young-chan PARK, Kyu-sung LEE, Sang-min LIM, Tan Duy NGUYEN, Byeong Guk CHOI, Jin Soo CHOI