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公开(公告)号：US20210392376A1
公开(公告)日：2021-12-16
申请号：US17446091
申请日：2021-08-26
Inventor： 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
IPC: H04N19/61 , H04N19/159 , H04N19/176 , H04N19/129
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.
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公开(公告)号：US20190110078A1
公开(公告)日：2019-04-11
申请号：US16216551
申请日：2018-12-11
Applicant: Electronics and Telecommunications Research Institute , Kwangwoon University Research Institute for Industry Cooperation , Industry Academy Cooperation Foundation of Sejong University
Inventor： 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
IPC: H04N19/61 , H04N19/129 , H04N19/159 , H04N19/176
CPC classification number: H04N19/61 , H04N19/129 , H04N19/159 , H04N19/176
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.
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公开(公告)号：US20180048916A1
公开(公告)日：2018-02-15
申请号：US15794568
申请日：2017-10-26
Applicant: Electronics and Telecommunications Research Institute , Kwangwoon University Research Institute for Industry Cooperation , Industry Academy Cooperation Foundation of Sejong University
Inventor： 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
IPC: H04N19/61 , H04N19/129 , H04N19/159 , H04N19/176
CPC classification number: H04N19/61 , H04N19/129 , H04N19/159 , H04N19/176
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.
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公开(公告)号：US20250030893A1
公开(公告)日：2025-01-23
申请号：US18906808
申请日：2024-10-04
Inventor： 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
IPC: H04N19/61 , H04N19/129 , H04N19/159 , H04N19/176
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.
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Patent Agency Ranking
公开(公告)号：US20230336781A1
公开(公告)日：2023-10-19
申请号：US18340381
申请日：2023-06-23
Inventor： 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
IPC: H04N19/61 , H04N19/159 , H04N19/129 , H04N19/176
CPC classification number: H04N19/61 , H04N19/129 , H04N19/159 , H04N19/176
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.
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公开(公告)号：US20220114762A1
公开(公告)日：2022-04-14
申请号：US17476780
申请日：2021-09-16
Inventor： Hyuk-Min KWON , Jin-Young LEE , Kyu-Heon KIM , Jun-Sik KIM
Abstract: Disclosed herein are a method for compressing a point cloud based on global motion prediction and compensation and an apparatus for the same. The method includes receiving 3D point cloud data configured with point cloud frames that represent continuous global motion; dividing the point cloud data into point cloud data segments using a histogram generated based on the Z-axis of the point cloud data; performing a global motion search based on an occupancy map for each of the point cloud data segments; and performing motion compression for the point cloud data based on the result of the global motion search performed for each of the point cloud data segments.
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公开(公告)号：US20230070216A1
公开(公告)日：2023-03-09
申请号：US17896958
申请日：2022-08-26
Applicant: Electronics and Telecommunications Research Institute , UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
Inventor： Ji-Hoon DO , Hyoung-Jin KWON , Dong-Hyun KIM , Youn-Hee KIM , Jong-Ho KIM , Joo-Young LEE , Woong LIM , Se-Yoon JEONG , Jin-Soo CHOI , Tae-Jin LEE , Seong-Bae RHEE , Kyu-Heon KIM , Jun-Sik KIM
Abstract: Disclosed herein are a method, an apparatus and a storage medium for processing a feature map. An encoding method for a feature map includes configuring a feature frame for feature maps, and generating encoded information by performing encoding on the feature frame. A decoding method for a feature map includes reconstructing a feature frame by performing decoding on encoded information, and reconstructing feature maps using the feature frame. A feature frame is configured using feature maps, and compression using a video compression codec or a deep learning-based image compression method is applied to the feature frame.
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8.发明公开公开(公告)号：US20230334716A1
公开(公告)日：2023-10-19
申请号：US18302473
申请日：2023-04-18
Inventor： Jin-Young LEE , Kyu-Heon KIM , Jun-Sik KIM , Kwu-Jung NAM
Abstract: Disclosed herein are an apparatus and method for providing 3D spatial data based on spatial random access. The method may include generating multiple groups of frames by grouping 3D spatial data based on an adjacent location in a space, compressing the 3D spatial data for each of the groups of frames, and encapsulating a compressed 3D spatial data bitstream for each of the groups of frames.
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公开(公告)号：US20230010407A1
公开(公告)日：2023-01-12
申请号：US17857637
申请日：2022-07-05
Inventor： Hyuk-Min KWON , Jin-Young LEE , Kyu-Heon KIM , Jun-Sik KIM
IPC: G06T9/00
Abstract: Disclosed herein is a method for compressing point cloud data. The method includes quantizing input point cloud data, generating a global motion matrix based on the quantized point cloud data, applying the global motion matrix based on whether local motion compression is performed, and compressing data to which the global motion matrix is applied.
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