Patents by Inventor Jeong-Il Seo

Jeong-Il Seo 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).

  • Publication number: 20200112811
    Abstract: Disclosed is an apparatus and method for processing a multichannel audio signal. A multichannel audio signal processing method may include: generating an N-channel audio signal of N channels by down-mixing an M-channel audio signal of M channels; and generating a stereo audio signal by performing binaural rendering of the N-channel audio signal.
    Type: Application
    Filed: December 4, 2019
    Publication date: April 9, 2020
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju Lee, Jeong Il Seo, Seung Kwon Beack, Kyeong Ok Kang, Jin Woong Kim, Jae Hyoun Yoo
  • Patent number: 10614820
    Abstract: Disclosed is a binaural rendering method and apparatus for decoding a multichannel audio signal. The binaural rendering method may include: extracting an early reflection component and a late reverberation component from a binaural filter; generating a stereo audio signal by performing binaural rendering of a multichannel audio signal base on the early reflection component; and applying the late reverberation component to the generated stereo audio signal.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: April 7, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju Lee, Jeong Il Seo, Jae Hyoun Yoo, Seung Kwon Beack, Jong Mo Sung, Tae Jin Lee, Kyeong Ok Kang, Jin Woong Kim, Tae Jin Park, Dae Young Jang, Keun Woo Choi
  • Patent number: 10580419
    Abstract: An encoder and an encoding method for a multi-channel signal, and a decoder and a decoding method for a multi-channel signal are disclosed. A multi-channel signal may be efficiently processed by consecutive downmixing or upmixing.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: March 3, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung Kwon Beack, Tae Jin Lee, Jong Mo Sung, Jeong Il Seo, Kyeong Ok Kang, Dae Young Jang, Jin Woong Kim
  • Patent number: 10582324
    Abstract: Disclosed is an apparatus and method for processing a multichannel audio signal. A multichannel audio signal processing method may include: generating an N-channel audio signal of N channels by down-mixing an M-channel audio signal of M channels; and generating a stereo audio signal by performing binaural rendering of the N-channel audio signal.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: March 3, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju Lee, Jeong Il Seo, Seung Kwon Beack, Kyeong Ok Kang, Jin Woong Kim, Jae Hyoun Yoo
  • Patent number: 10575111
    Abstract: An audio encoding apparatus and method that encodes hybrid contents including an object sound, a background sound, and metadata, and an audio decoding apparatus and method that decodes the encoded hybrid contents are provided. The audio encoding apparatus may include a mixing unit to generate an intermediate channel signal by mixing a background sound and an object sound, a matrix information encoding unit to encode matrix information used for the mixing, an audio encoding unit to encode the intermediate channel signal, and a metadata encoding unit to encode metadata including control information of the object sound.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: February 25, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung Kwon Beack, Tae Jin Lee, Jong Mo Sung, Kyeong Ok Kang, Jeong Il Seo, Dae Young Jang, Yong Ju Lee, Jin Woong Kim
  • Patent number: 10569608
    Abstract: The proposed technology relates to an amphibious vehicle with a forward shape transforming system and, more particularly, to an amphibious vehicle with a forward shape transforming system that can adjust resistance in traveling by adjusting an aspect ratio by changing the length of the amphibious vehicle. The present invention has been made in an effort to solve the problems and an object of the present invention is to maintain a posture and reduce resistance on the water by increasing the length of a vehicle body by configuring a front extension unit that moves by sliding on the front of an amphibious vehicle.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: February 25, 2020
    Assignee: AGENCY FOR DEFENSE DEVELOPMENT
    Inventors: Soo-In Lee, Jeong-Il Seo, Kyo-Gun Chang
  • Patent number: 10575016
    Abstract: Provided is an apparatus and method for encoding/decoding a moving picture based on adaptive scanning. The moving picture apparatus and method can increase a compression rate based on adaptive scanning by performing intra prediction onto blocks of a predetermined size, and scanning coefficients acquired from Discrete Cosine Transform (DCT) of a residue signal and quantization differently according to the intra prediction mode. The moving picture encoding apparatus includes: a mode selector for selecting and outputting a prediction mode; a predictor for predicting pixel values of pixels to be encoded of an input video based on the prediction mode to thereby output a residue signal block; a transform/quantization unit for performing DCT onto the residue signal block and quantizing the transformed residue signal block; and an encoder for adaptively scanning and encoding the quantized residue signal block based on the prediction mode.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: February 25, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jeong-Il Seo, Wook-Joong Kim, Kyu-Heon Kim, Kyeong-Ok Kang, Jin-Woo Hong, Yung-Lyul Lee, Ki-Hun Han, Jae-Ho Hur, Dong-Gyu Sim, Seoung-Jun Oh
  • Patent number: 10511925
    Abstract: Disclosed is an apparatus and method for processing a multichannel audio signal. A multichannel audio signal processing method may include: generating an N-channel audio signal of N channels by down-mixing an M-channel audio signal of M channels; and generating a stereo audio signal by performing binaural rendering of the N-channel audio signal.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: December 17, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju Lee, Jeong Il Seo, Seung Kwon Beack, Kyeong Ok Kang, Jin Woong Kim, Jae Hyoun Yoo
  • Patent number: 10499064
    Abstract: The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: December 3, 2019
    Assignees: Electronics and Telecommunications Research Institute, Kwangwoon University Research Institute for Industry Cooperation, Industry-Academia Cooperation Group of Sejong University
    Inventors: Se-Yoon Jeong, Hae-Chul Choi, Jeong-Il Seo, Seung-Kwon Beack, In-Seon Jang, Jae-Gon Kim, Kyung-Ae Moon, Dae-Young Jang, Jin-Woo Hong, Jin-Woong Kim, Yung-Lyul Lee, Dong-Gyu Sim, Seoung-Jun Oh, Chang-Beom Ahn, Dae-Yeon Kim, Dong-Kyun Kim
  • Publication number: 20190318453
    Abstract: Disclosed is an apparatus and method of generating a stitched image. A method of generating a stitched image according to the present disclosure includes: obtaining a plurality of input images; determining whether or not a parallax problem occurs between overlapping areas of the obtained input images; updating a predetermined look-up table according to the determination; and generating a stitched image by applying the updated look-up table to the input images.
    Type: Application
    Filed: October 9, 2018
    Publication date: October 17, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Soon Heung JUNG, Yong Ju CHO, Jeong Il SEO
  • Publication number: 20190297331
    Abstract: The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.
    Type: Application
    Filed: June 12, 2019
    Publication date: September 26, 2019
    Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Research Institute for Industry Cooperation, Industry-Academia Cooperation Group of Sejong University
    Inventors: Se-Yoon JEONG, Hae-Chul CHOI, Jeong-Il SEO, Seung-Kwon BEACK, In-Seon JANG, Jae-Gon KIM, Kyung-Ae MOON, Dae-Young JANG, Jin-Woo HONG, Jin-Woong KIM, Yung-Lyul LEE, Dong-Gyu SIM, Seoung-Jun OH, Chang-Beom AHN, Dae-Yeon KIM, Dong-Kyun KIM
  • Publication number: 20190289413
    Abstract: Disclosed are a multi-channel audio signal processing method and a multi-channel audio signal processing apparatus. The multi-channel audio signal processing method may generate N channel output signals from N/2 channel downmix signals based on an N?N/2?N structure.
    Type: Application
    Filed: March 18, 2019
    Publication date: September 19, 2019
    Applicant: Electronics And Telecommunications Research Institute
    Inventors: Seung Kwon BEACK, Jeong Il SEO, Jong Mo SUNG, Tae Jin LEE, Dae Young JANG, Jin Woong KIM
  • Publication number: 20190215631
    Abstract: An audio encoding apparatus and method that encodes hybrid contents including an object sound, a background sound, and metadata, and an audio decoding apparatus and method that decodes the encoded hybrid contents are provided. The audio encoding apparatus may include a mixing unit to generate an intermediate channel signal by mixing a background sound and an object sound, a matrix information encoding unit to encode matrix information used for the mixing, an audio encoding unit to encode the intermediate channel signal, and a metadata encoding unit to encode metadata including control information of the object sound.
    Type: Application
    Filed: March 15, 2019
    Publication date: July 11, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung Kwon BEACK, Tae Jin LEE, Jong Mo SUNG, Kyeong Ok KANG, Jeong Il SEO, Dae Young JANG, Yong Ju LEE, Jin Woong KIM
  • Publication number: 20190215633
    Abstract: The present research relates to controlling rendering of multi-object or multi-channel audio signals. The present research provides a method and apparatus for controlling rendering of multi-object or multi-channel audio signals based on spatial cues in a process of decoding the multi-object or multi-channel audio signals. To achieve the purpose, the method suggested in the research controls rendering in a spatial cue domain in the process of decoding the multi-object or multi-channel audio signals.
    Type: Application
    Filed: March 18, 2019
    Publication date: July 11, 2019
    Inventors: Seung-Kwon BEACK, Jeong-Il SEO, Dae-Young JANG, Tae-Jin LEE, Yong-Ju LEE, Jin-Woo HONG, Jin-Woong KIM
  • Publication number: 20190200150
    Abstract: Provided are an encoding method of a multichannel signal, an encoding apparatus to perform the encoding method, a multichannel signal processing method, and a decoding apparatus to perform the decoding method. The decoding method may include identifying an N/2-channel downmix signal derived from an N-channel input signal; and generating an N-channel output signal from the identified N/2-channel downmix signal using a plurality of one-to-two (OTT) boxes. If a low frequency effect (LFE) channel is absent in the output signal, the number of OTT boxes may be equal to N/2 where N/2 denotes the number of channels of the downmix signal.
    Type: Application
    Filed: March 1, 2019
    Publication date: June 27, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung Kwon BEACK, Jeong Il SEO, Jong Mo SUNG, Tae Jin LEE, Dae Young JANG, Jin Soo CHOI
  • Patent number: 10332532
    Abstract: An encoding/decoding apparatus and method for controlling a channel signal is disclosed, wherein the encoding apparatus may include an encoder to encode an object signal, a channel signal, and rendering information for the channel signal, and a bit stream generator to generate, as a bit stream, the encoded object signal, the encoded channel signal, and the encoded rendering information for the channel signal.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: June 25, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jeong Il Seo, Seung Kwon Beack, Dae Young Jang, Kyeong Ok Kang, Tae Jin Park, Yong Ju Lee, Keun Woo Choi, Jin Woong Kim
  • Publication number: 20190147894
    Abstract: Disclosed is a binaural rendering method and apparatus for decoding a multichannel audio signal. The binaural rendering method may include: extracting an early reflection component and a late reverberation component from a binaural filter; generating a stereo audio signal by performing binaural rendering of a multichannel audio signal base on the early reflection component; and applying the late reverberation component to the generated stereo audio signal.
    Type: Application
    Filed: January 10, 2019
    Publication date: May 16, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju LEE, Jeong Il SEO, Jae Hyoun YOO, Seung Kwon BEACK, Jong Mo SUNG, Tae Jin LEE, Kyeong Ok KANG, Jin Woong KIM, Tae Jin PARK, Dae Young JANG, Keun Woo CHOI
  • Patent number: 10277999
    Abstract: The present research relates to controlling rendering of multi-object or multi-channel audio signals. The present research provides a method and apparatus for controlling rendering of multi-object or multi-channel audio signals based on spatial cues in a process of decoding the multi-object or multi-channel audio signals. To achieve the purpose, the method suggested in the research controls rendering in a spatial cue domain in the process of decoding the multi-object or multi-channel audio signals.
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: April 30, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seung-Kwon Beack, Jeong-Il Seo, Dae-Young Jang, Tae-Jin Lee, Yong-Ju Lee, Jin-Woo Hong, Jin-Woong Kim
  • Patent number: 10264381
    Abstract: Disclosed are a multi-channel audio signal processing method and a multi-channel audio signal processing apparatus. The multi-channel audio signal processing method may generate N channel output signals from N/2 channel downmix signals based on an N-N/2-N structure.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: April 16, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung Kwon Beack, Jeong Il Seo, Jong Mo Sung, Tae Jin Lee, Dae Young Jang, Jin Woong Kim
  • Publication number: 20190110078
    Abstract: Provided is an apparatus and method for encoding/decoding a moving picture based on adaptive scanning. The moving picture apparatus and method can increase a compression rate based on adaptive scanning by performing intra prediction onto blocks of a predetermined size, and scanning coefficients acquired from Discrete Cosine Transform (DCT) of a residue signal and quantization differently according to the intra prediction mode. The moving picture encoding apparatus includes: a mode selector for selecting and outputting a prediction mode; a predictor for predicting pixel values of pixels to be encoded of an input video based on the prediction mode to thereby output a residue signal block; a transform/quantization unit for performing DCT onto the residue signal block and quantizing the transformed residue signal block; and an encoder for adaptively scanning and encoding the quantized residue signal block based on the prediction mode.
    Type: Application
    Filed: December 11, 2018
    Publication date: April 11, 2019
    Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Research Institute for Industry Cooperation, Industry Academy Cooperation Foundation of Sejong University
    Inventors: Jeong-Il SEO, Wook-Joong KIM, Kyu-Heon KIM, Kyeong-Ok KANG, Jin-Woo HONG, Yung-Lyul LEE, Ki-Hun HAN, Jae-Ho HUR, Dong-Gyu SIM, Seoung-Jun OH