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11.发明授权公开(公告)号：US12101477B2
公开(公告)日：2024-09-24
申请号：US17779093
申请日：2020-11-23
Applicant: Electronics and Telecommunications Research Institute , KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
Inventor： Seoung-Jun Oh , Woong Lim , Gun Bang , Tae-Jin Lee , Dong-Gyu Sim , Jun-Taek Park , Min-Hun Lee , Jong-Seok Lee
IPC: H04N19/117 , H04N19/105 , H04N19/176 , H04N19/80
CPC classification number: H04N19/117 , H04N19/105 , H04N19/176 , H04N19/80
Abstract: Disclosed herein are a video processing method, apparatus and storage medium using the resolution of a reference picture. Filtering is performed based on resolutions of reference pictures of blocks forming a boundary. The resolutions of the reference pictures may define filtering. Depending on whether the resolutions of the reference pictures are different from each other, one or more filter selection parameters for filtering may be determined or updated. Further, based on whether the resolutions of the reference pictures are different from each other, the boundary strength of the filter may be determined. Because filtering is defined using the resolutions of reference pictures, performance of encoding and/or decoding may be improved.
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公开(公告)号：US10575016B2
公开(公告)日：2020-02-25
申请号：US16216551
申请日：2018-12-11
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：US10321137B2
公开(公告)日：2019-06-11
申请号：US15288942
申请日：2016-10-07
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION , UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
Inventor： 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
IPC: G06K9/36 , H04N19/159 , H04N19/11 , H04N19/124 , H04N19/132 , H04N19/44 , H04N19/50 , H04N19/587 , H04N19/593 , H04N19/61 , H04N19/625 , H04N19/70 , H04N19/91 , H04N19/147 , H04N19/176 , H04N19/182 , H04N19/51 , H04N19/615 , H04N19/105 , H04N19/117 , H04N19/43 , H04N19/172
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.
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公开(公告)号：US09942554B2
公开(公告)日：2018-04-10
申请号：US15192627
申请日：2016-06-24
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION , UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
Inventor： 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
IPC: G06K9/36 , H04N19/159 , H04N19/11 , H04N19/124 , H04N19/132 , H04N19/44 , H04N19/50 , H04N19/587 , H04N19/593 , H04N19/61 , H04N19/625 , H04N19/70 , H04N19/91 , H04N19/147 , H04N19/176 , H04N19/182 , H04N19/51 , H04N19/615 , H04N19/105 , H04N19/117 , H04N19/43 , H04N19/172
CPC classification number: H04N19/159 , H04N19/105 , H04N19/11 , H04N19/117 , H04N19/124 , H04N19/132 , H04N19/147 , H04N19/172 , H04N19/176 , H04N19/182 , H04N19/43 , H04N19/44 , H04N19/50 , H04N19/51 , H04N19/587 , H04N19/593 , H04N19/61 , H04N19/615 , H04N19/625 , H04N19/70 , H04N19/91
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.
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公开(公告)号：US09838714B2
公开(公告)日：2017-12-05
申请号：US14750202
申请日：2015-06-25
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 , H04N19/159 , H04N19/176 , H04N19/129
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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Patent Agency Ranking
公开(公告)号：US09332281B2
公开(公告)日：2016-05-03
申请号：US14469236
申请日：2014-08-26
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION , UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
Inventor： 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
IPC: G06K9/36 , H04N19/91 , H04N19/50 , H04N19/70 , H04N19/61 , H04N19/593 , H04N19/11 , H04N19/132 , H04N19/587 , H04N19/124 , H04N19/44 , H04N19/625
CPC classification number: H04N19/159 , H04N19/105 , H04N19/11 , H04N19/117 , H04N19/124 , H04N19/132 , H04N19/147 , H04N19/172 , H04N19/176 , H04N19/182 , H04N19/43 , H04N19/44 , H04N19/50 , H04N19/51 , H04N19/587 , H04N19/593 , H04N19/61 , H04N19/615 , H04N19/625 , H04N19/70 , H04N19/91
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.
Abstract translation: 本发明涉及图像编码和解码技术，更具体地说，涉及使用单向预测的图像编码器和解码器。 图像编码器包括将宏块划分为多个子块的分割单元，单向应用确定单元，用于确定是否将相同的预测模式应用于多个子块中的每一个;以及预测模式确定单元 基于所述单向应用确定单元的确定结果来确定关于所述多个子块中的每一个的预测模式。
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17.发明申请APPARATUS FOR ENCODING AND DECODING IMAGE USING ADAPTIVE DCT COEFFICIENT SCANNING BASED ON PIXEL SIMILARITY AND METHOD THEREFOR 审中-公开使用基于像素相似性的自适应DCT系数扫描来编码和解码图像的装置及其方法公开(公告)号：US20140037000A1
公开(公告)日：2014-02-06
申请号：US13975251
申请日：2013-08-23
Applicant: Electronics and Telecommunications Research Institute , Industry-Academia Cooperation Group of Sejong University , Kwangwoon University Research Institute for Industry Cooperation
Inventor： 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
IPC: H04N7/26
CPC classification number: H04N19/159 , H04N19/103 , H04N19/11 , H04N19/129 , H04N19/13 , H04N19/136 , H04N19/176 , H04N19/18 , H04N19/182 , H04N19/61 , H04N19/91
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.
Abstract translation: 本发明公开了一种使用离散余弦变换（DCT）扫描的编码装置，其包括用于选择用于帧内预测的最佳模式的模式选择装置; 帧内预测装置，用于根据在模式选择装置中选择的模式对输入的视频执行帧内预测; DCT和量化装置，用于对从帧内预测装置输出的块的残余系数进行DCT和量化; 以及熵编码装置，用于通过使用基于残差系数的像素相似度确定的扫描模式，对从DCT获取的DCT系数和量化执行熵编码。
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18.发明授权公开(公告)号：US11665363B2
公开(公告)日：2023-05-30
申请号：US17535926
申请日：2021-11-26
Inventor： Hyoung-Jin Kwon , Ji-Hoon Do , Dong-Hyun Kim , Youn-Hee Kim , Jong-Ho Kim , Joo-Young Lee , Se-Yoon Jeong , Jin-Soo Choi , Tae-Jin Lee , Jee-Hoon Kim , Dong-Gyu Sim , Seoung-Jun Oh , Min-Hun Lee , Yun-Gu Lee , Han-Sol Choi , Kwang-Hwan Kim
IPC: H04N19/503 , H04N19/11
CPC classification number: H04N19/503 , H04N19/11
Abstract: Disclosed herein are a method, apparatus, system, and computer-readable recording medium for image compression. An encoding apparatus performs preprocessing of feature map information, frame packing, frame classification, and encoding. A decoding apparatus performs decoding, frame depacking, and postprocessing in order to reconstruct feature map information. By encoding the feature map information, inter-prediction and intra-block prediction for a frame are performed. The encoding apparatus provides the decoding apparatus with a feature map information bitstream for reconstructing the feature map information along with an image information bitstream.
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公开(公告)号：US11134274B2
公开(公告)日：2021-09-28
申请号：US16744384
申请日：2020-01-16
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：US10178393B2
公开(公告)日：2019-01-08
申请号：US15288909
申请日：2016-10-07
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION , UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
Inventor： 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
IPC: G06K9/36 , H04N19/159 , H04N19/11 , H04N19/124 , H04N19/132 , H04N19/44 , H04N19/50 , H04N19/587 , H04N19/593 , H04N19/61 , H04N19/625 , H04N19/70 , H04N19/91 , H04N19/147 , H04N19/176 , H04N19/182 , H04N19/51 , H04N19/615 , H04N19/105 , H04N19/117 , H04N19/43 , H04N19/172
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.
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