KR20220156017A - 화상 부호화 장치, 화상 부호화 방법 및 기억 매체, 화상 복호 장치, 화상 복호 방법 및 기억 매체 - Google Patents

화상 부호화 장치, 화상 부호화 방법 및 기억 매체, 화상 복호 장치, 화상 복호 방법 및 기억 매체 Download PDF

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KR20220156017A
KR20220156017A KR1020227035006A KR20227035006A KR20220156017A KR 20220156017 A KR20220156017 A KR 20220156017A KR 1020227035006 A KR1020227035006 A KR 1020227035006A KR 20227035006 A KR20227035006 A KR 20227035006A KR 20220156017 A KR20220156017 A KR 20220156017A
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transform
quantization
processing
decoding
image
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Korean (ko)
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마사토 시마
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캐논 가부시끼가이샤
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/184—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020227035006A 2020-03-18 2021-02-24 화상 부호화 장치, 화상 부호화 방법 및 기억 매체, 화상 복호 장치, 화상 복호 방법 및 기억 매체 Pending KR20220156017A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2020-048201 2020-03-18
JP2020048201A JP7536484B2 (ja) 2020-03-18 2020-03-18 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
PCT/JP2021/006754 WO2021187023A1 (ja) 2020-03-18 2021-02-24 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム

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KR20220156017A true KR20220156017A (ko) 2022-11-24

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US (1) US12170794B2 (enExample)
EP (1) EP4124039A4 (enExample)
JP (1) JP7536484B2 (enExample)
KR (1) KR20220156017A (enExample)
CN (1) CN115315952B (enExample)
WO (1) WO2021187023A1 (enExample)

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US11252420B2 (en) * 2017-12-15 2022-02-15 Lg Electronics Inc. Image coding method on basis of secondary transform and device therefor
JP2023043275A (ja) * 2021-09-16 2023-03-29 株式会社三共 遊技機
JP2023043273A (ja) * 2021-09-16 2023-03-29 株式会社三共 遊技機
JP2023043276A (ja) * 2021-09-16 2023-03-29 株式会社三共 遊技機

Citations (1)

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JP2014131172A (ja) 2012-12-28 2014-07-10 Canon Inc 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム

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US9800884B2 (en) * 2013-03-15 2017-10-24 Qualcomm Incorporated Device and method for scalable coding of video information
GB2513111A (en) 2013-04-08 2014-10-22 Sony Corp Data encoding and decoding
US9713035B2 (en) 2013-05-20 2017-07-18 Qualcomm Incorporated Beacon transmission over unlicensed spectrum
US9516345B2 (en) * 2014-03-17 2016-12-06 Qualcomm Incorporated Systems and methods for low complexity forward transforms using mesh-based calculations
WO2017195666A1 (ja) 2016-05-13 2017-11-16 ソニー株式会社 画像処理装置および方法
CN114885162B (zh) * 2018-09-02 2024-04-23 Lg电子株式会社 解码设备、编码设备和计算机可读记录介质
CN113728636B (zh) * 2019-04-23 2022-11-04 北京字节跳动网络技术有限公司 编解码视频中二次变换的选择性使用
EP3942811A4 (en) * 2019-04-24 2022-06-15 ByteDance Inc. Constraints on quantized residual differential pulse code modulation representation of coded video
CN114365490B (zh) * 2019-09-09 2024-06-18 北京字节跳动网络技术有限公司 高精度图像和视频编解码的系数缩放
CN110636313B (zh) * 2019-09-18 2022-07-15 浙江大华技术股份有限公司 变换、二次变换矩阵训练方法、编码器及相关装置
EP4014502A4 (en) * 2019-09-20 2022-11-09 Beijing Bytedance Network Technology Co., Ltd. SCALING METHOD FOR ENCODER BLOCK

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Publication number Priority date Publication date Assignee Title
JP2014131172A (ja) 2012-12-28 2014-07-10 Canon Inc 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム

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US12170794B2 (en) 2024-12-17
EP4124039A1 (en) 2023-01-25
WO2021187023A1 (ja) 2021-09-23
CN115315952B (zh) 2025-02-25
EP4124039A4 (en) 2024-08-07
CN115315952A (zh) 2022-11-08
JP7536484B2 (ja) 2024-08-20
JP2021150788A (ja) 2021-09-27

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