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: 10455233
    Abstract: A method and a device for encoding/decoding an image are disclosed. The method for decoding an image comprises the steps of: decoding information on a quantization matrix; and restoring the quantization matrix on the basis of the information on the quantization matrix, wherein the information on the quantization matrix includes information indicating a DC value of the quantization matrix and/or information indicating differential values of quantization matrix coefficients.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: October 22, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Hui Yong Kim, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim
  • Patent number: 10455241
    Abstract: Disclosed are an image encoding/decoding method and device supporting a plurality of layers. The image decoding method supporting the plurality of layers comprises the steps of; receiving a bitstream comprising the plurality of layers; and decoding the bitstream so as to acquire maximum number information about sublayers with respect to each of the plurality of layers.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: October 22, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jung Won Kang, Ha Hyun Lee, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim
  • Patent number: 10450693
    Abstract: A dryer includes a main body, a drying chamber provided inside the main body and configured to accommodate objects to be dried, a conveying unit configured to convey the objects to be dried, a sensor unit configured to sense information on states of the objects to be dried, and a control unit configured to control the conveying unit to move the objects to be dried based on the information sensed by the sensor unit.
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: October 22, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin Young Choi, Da Eun Kim, Sun Soo Kim, Dong Woo Lee, Seung Eun Chung, Jin Han Kim, Hyun Soo Park, Sung Chan Yun, Seok-Mo Chang
  • Patent number: 10455232
    Abstract: A method and a device for encoding/decoding an image are disclosed. The method for decoding an image comprises the steps of: decoding information on a quantization matrix; and restoring the quantization matrix on the basis of the information on the quantization matrix, wherein the information on the quantization matrix includes information indicating a DC value of the quantization matrix and/or information indicating differential values of quantization matrix coefficients.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: October 22, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Hui Yong Kim, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim
  • Patent number: 10455234
    Abstract: A method and a device for encoding/decoding an image are disclosed. The method for decoding an image comprises the steps of: decoding information on a quantization matrix; and restoring the quantization matrix on the basis of the information on the quantization matrix, wherein the information on the quantization matrix includes information indicating a DC value of the quantization matrix and/or information indicating differential values of quantization matrix coefficients.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: October 22, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Hui Yong Kim, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim
  • Patent number: 10448018
    Abstract: A method and a device for encoding/decoding an image are disclosed. The method for decoding an image comprises the steps of: decoding information on a quantization matrix; and restoring the quantization matrix on the basis of the information on the quantization matrix, wherein the information on the quantization matrix includes information indicating a DC value of the quantization matrix and/or information indicating differential values of quantization matrix coefficients.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: October 15, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Hui Yong Kim, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim
  • Patent number: 10441242
    Abstract: An X-ray apparatus includes an X-ray source configured to radiate X-rays, a collimator configured to adjust a radiation field of the X-rays and rotate on an optical axis direction of the X-rays, a ring-shaped first rotation transfer unit centered on an optical axis of the X-rays in the X-ray source, a second rotation transfer unit interlocked with the ring-shaped first rotation transfer unit and configured to rotate as the collimator rotates, a rotation sensor configured to sense an amount of rotation of the second rotation transfer unit, and a detector comprising a receiving surface on which the X-rays radiated from the collimator are incident.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: October 15, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae-soo Kim, Han-ju Nam, Young-jun Lee, Jin-ho Choi
  • Publication number: 20190313102
    Abstract: The present invention relates to a method for encoding and decoding an image. For this, a method for decoding an image may include: entropy-decoding a bitstream; determining a scanning unit and a scanning order of the transform coefficients of the current block; scanning and aligning the transform coefficients of the current block based on the determined scanning unit and scanning order; and performing inverse-transform for the aligned transform coefficients.
    Type: Application
    Filed: November 28, 2017
    Publication date: October 10, 2019
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seung Hyun CHO, Sung Chang LIM, Jung Won KANG, Hyun Suk KO, Jin Ho LEE, Ha Hyun LEE, Dong San JUN, Hui Yong KIM, Jin Soo CHOI
  • Patent number: 10440371
    Abstract: Disclosed are a method and an apparatus for image encoding/decoding that support a plurality of layers. The method for image decoding that supports a plurality of layers includes decoding information of a first layer which a picture of a second layer including a current decoding target block refers to; mapping the information of the first layer to a picture size of the second layer, configuring a reference picture list for the picture of the second layer by adding the mapped information of the first layer and generating prediction samples of the current decoding target block by predicting the current decoding target block of the second layer based on the reference picture list, and the information of the first layer includes at least one of a sample value and motion information of the first layer picture.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: October 8, 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: 10440372
    Abstract: Disclosed are a method and an apparatus for image encoding/decoding that support a plurality of layers. The method for image decoding that supports a plurality of layers includes decoding information of a first layer which a picture of a second layer including a current decoding target block refers to; mapping the information of the first layer to a picture size of the second layer, configuring a reference picture list for the picture of the second layer by adding the mapped information of the first layer and generating prediction samples of the current decoding target block by predicting the current decoding target block of the second layer based on the reference picture list, and the information of the first layer includes at least one of a sample value and motion information of the first layer picture.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: October 8, 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: 10440393
    Abstract: Provided is a method and apparatus for performing intra-prediction using an adaptive filter. The method for performing intra-prediction includes the steps of: determining whether or not to apply a first filter for a reference pixel value on the basis of information of a neighboring block of a current block; applying the first filter for the reference pixel value when it is determined to apply the first filter; performing intra-prediction on the current block on the basis of the reference pixel value; determining whether or not to apply a second filter for a prediction value according to each prediction mode of the current block, which is predicted by the intra-prediction performance on the basis of the information of the neighboring block; and applying the second filter for the prediction value according to each prediction mode of the current block when it is determined to apply the second filter.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: October 8, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jin Ho Lee, Hui Yong Kim, Se Yoon Jeong, Suk Hee Cho, Ha Hyun Lee, Jong Ho Kim, Sung Chang Lim, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn
  • Patent number: 10440392
    Abstract: Provided is a method and apparatus for performing intra-prediction using an adaptive filter. The method for performing intra-prediction includes the steps of: determining whether or not to apply a first filter for a reference pixel value on the basis of information of a neighboring block of a current block; applying the first filter for the reference pixel value when it is determined to apply the first filter; performing intra-prediction on the current block on the basis of the reference pixel value; determining whether or not to apply a second filter for a prediction value according to each prediction mode of the current block, which is predicted by the intra-prediction performance on the basis of the information of the neighboring block; and applying the second filter for the prediction value according to each prediction mode of the current block when it is determined to apply the second filter.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: October 8, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jin Ho Lee, Hui Yong Kim, Se Yoon Jeong, Suk Hee Cho, Ha Hyun Lee, Jong Ho Kim, Sung Chang Lim, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn
  • Publication number: 20190304517
    Abstract: A method of operating memory devices disposed in different ranks of a multi-rank memory device and sharing a signal line includes receiving, in all of the memory devices included in the multi-rank memory device, on-die termination (ODT) state information of the signal line. The method further includes storing, in each of the memory devices of the multi-rank memory device, the ODT state information of the signal line in a mode register. The method further includes generating, in each of the memory devices of the multi-rank memory device, a control signal based on the ODT state information of the signal line stored in the mode register. The method further includes changing, in each of the memory devices of the multi-rank memory device, an ODT setting of the signal line in response to the control signal.
    Type: Application
    Filed: March 25, 2019
    Publication date: October 3, 2019
    Inventors: Dae-Sik Moon, Kyung-soo Ha, Young-Soo Sohn, Ki-Seok Oh, Chang-Kyo Lee, Jin-Hoon Jang, Yeon-Kyu Choi, Seok-Hun Hyun
  • Publication number: 20190306526
    Abstract: Disclosed herein are an inter-prediction method and apparatus using a reference frame generated based on deep learning. In the inter-prediction method and apparatus, a reference frame is selected, and a virtual reference frame is generated based on the selected reference frame. A reference picture list is configured to include the generated virtual reference frame, and inter prediction for a target block is performed based on the virtual reference frame. The virtual reference frame may be generated based on a deep-learning network architecture, and may be generated based on video interpolation and/or video extrapolation that use the selected reference frame.
    Type: Application
    Filed: April 3, 2019
    Publication date: October 3, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung-Hyun CHO, Je-Won KANG, Na-Young KIM, Jung-Kyung LEE, Joo-Young LEE, Hyunsuk KO, Youn-Hee KIM, Jong-Ho KIM, Jin-Wuk SEOK, Dae-Yeol LEE, Woong LIM, Se-Yoon JEONG, Hui-Yong KIM, Jin-Soo CHOI
  • Publication number: 20190306536
    Abstract: The present invention relates to an image encoding/decoding method and apparatus. An image encoding method according to the present invention may comprise generating a transform block by performing at least one of transform and quantization; grouping at least one coefficient included in the transform block into at least one coefficient group (CG); scanning at least one coefficient included in the coefficient group; and encoding the at least one coefficient.
    Type: Application
    Filed: July 10, 2017
    Publication date: October 3, 2019
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Sung Chang LIM, Jung Won KANG, Hyun Suk KO, Jin Ho LEE, Dong San JUN, Ha Hyun LEE, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI, Yung Lyul LEE, Jun Woo CHOI
  • Publication number: 20190304395
    Abstract: A source driver includes a buffer unit including a plurality of unit buffers corresponding to a plurality of source lines, where each of the plurality of unit buffers includes a plurality of input terminals and an output terminal connected to at least one of the plurality of source lines, and a decoder unit configured to receive image data and a plurality of gamma voltages, and input at least one of the plurality of gamma voltages to the plurality of input terminals of each of the plurality of unit buffers, using the image data. The decoder unit inputs two or more of the gamma voltages, having different magnitudes, to the plurality of input terminals of each of first unit buffers among the plurality of unit buffers, and the first unit buffers output a gradation voltage higher than a first voltage and lower than a second voltage.
    Type: Application
    Filed: October 3, 2018
    Publication date: October 3, 2019
    Inventors: PAN SOO KIM, Jin Han Kim, Mi Ri Park, Myung Ho Seo, Hyun Ji Yoon, Jin Chul Choi
  • Patent number: 10432968
    Abstract: Provided is a method and apparatus for performing intra-prediction using an adaptive filter. The method for performing intra-prediction includes the steps of: determining whether or not to apply a first filter for a reference pixel value on the basis of information of a neighboring block of a current block; applying the first filter for the reference pixel value when it is determined to apply the first filter; performing intra-prediction on the current block on the basis of the reference pixel value; determining whether or not to apply a second filter for a prediction value according to each prediction mode of the current block, which is predicted by the intra-prediction performance on the basis of the information of the neighboring block; and applying the second filter for the prediction value according to each prediction mode of the current block when it is determined to apply the second filter.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: October 1, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jin Ho Lee, Hui Yong Kim, Se Yoon Jeong, Suk Hee Cho, Ha Hyun Lee, Jong Ho Kim, Sung Chang Lim, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn
  • Patent number: 10429905
    Abstract: An electronic apparatus having a hole area and a controlling method of are provided. More particularly, an electronic apparatus having a hole area which may enlarge an image or application screen through analysis and a method for controlling a hole area of an electronic apparatus are provided. Some embodiments provide an electronic apparatus having a hole area, capable of analyzing an edge (or edge of an application screen) of an image and displaying on one of an entire area or a main area and a method for controlling a hole area of the electronic apparatus. In addition to above, various exemplary embodiments are available.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: October 1, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-moo Lee, Seung-min Choi, Dae-hyun Kim, So-young Kim, Min-sik Kim, Geon-soo Kim, Jin-wan An, Ji-woo Lee, Hyun-suk Choi
  • Patent number: 10432950
    Abstract: Disclosed are a method and an apparatus for image encoding/decoding that support a plurality of layers. The method for image decoding that supports a plurality of layers includes decoding information of a first layer which a picture of a second layer including a current decoding target block refers to; mapping the information of the first layer to a picture size of the second layer, configuring a reference picture list for the picture of the second layer by adding the mapped information of the first layer and generating prediction samples of the current decoding target block by predicting the current decoding target block of the second layer based on the reference picture list, and the information of the first layer includes at least one of a sample value and motion information of the first layer picture.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: October 1, 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: 10433027
    Abstract: Disclosed is a method and apparatus for IP-based hybrid 3DTV content transmission and reception. According to one aspect of the present disclosure, an IP-based hybrid 3DTV content reception apparatus includes: a receiving unit receiving multiplexed 3DTV content information; an additional data obtaining unit obtaining service layer signaling information from the received 3DTV content information, and obtaining additional data based on the obtained service layer signaling information; a decoding unit decoding the received 3DTV content information by using the obtained additional data; and a playing back unit playing back the decoded 3DTV content.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: October 1, 2019
    Assignees: Electronics and Telecommunications Research Institute, Foundation for Research and Business, Seoul National University of Science and Technology
    Inventors: Sung Hoon Kim, Hui Yong Kim, Jin Soo Choi, Dong Ho Kim, Dong Ho You, Jung Yup Jang