JP7536484B2 - 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 - Google Patents

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 Download PDF

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JP7536484B2
JP7536484B2 JP2020048201A JP2020048201A JP7536484B2 JP 7536484 B2 JP7536484 B2 JP 7536484B2 JP 2020048201 A JP2020048201 A JP 2020048201A JP 2020048201 A JP2020048201 A JP 2020048201A JP 7536484 B2 JP7536484 B2 JP 7536484B2
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range
transform
unit
quantization
coefficients
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JP2021150788A5 (enExample
JP2021150788A (ja
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真悟 志摩
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Canon Inc
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Canon Inc
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Priority to CN202180022188.8A priority patent/CN115315952B/zh
Priority to KR1020227035006A priority patent/KR20220156017A/ko
Priority to EP21772526.6A priority patent/EP4124039A4/en
Priority to PCT/JP2021/006754 priority patent/WO2021187023A1/ja
Publication of JP2021150788A publication Critical patent/JP2021150788A/ja
Priority to US17/931,450 priority patent/US12170794B2/en
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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)
JP2020048201A 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 Active JP7536484B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
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
KR1020227035006A KR20220156017A (ko) 2020-03-18 2021-02-24 화상 부호화 장치, 화상 부호화 방법 및 기억 매체, 화상 복호 장치, 화상 복호 방법 및 기억 매체
EP21772526.6A EP4124039A4 (en) 2020-03-18 2021-02-24 IMAGE CODING DEVICE, IMAGE CODING METHOD AND PROGRAM, IMAGE DECODING DEVICE AND IMAGE DECODING METHOD AND PROGRAM
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
CN202180022188.8A CN115315952B (zh) 2020-03-18 2021-02-24 图像编码装置和方法、图像解码装置和方法以及存储介质
US17/931,450 US12170794B2 (en) 2020-03-18 2022-09-12 Image encoding device, image encoding method and storage medium, image decoding device, and image decoding method and storage medium

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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

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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

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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
JP2016519514A (ja) 2013-04-08 2016-06-30 ソニー株式会社 データ符号化及び復号化
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

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US9800884B2 (en) * 2013-03-15 2017-10-24 Qualcomm Incorporated Device and method for scalable coding of video information
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
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
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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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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
JP2016519514A (ja) 2013-04-08 2016-06-30 ソニー株式会社 データ符号化及び復号化
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US20230007311A1 (en) 2023-01-05
US12170794B2 (en) 2024-12-17
EP4124039A1 (en) 2023-01-25
WO2021187023A1 (ja) 2021-09-23
KR20220156017A (ko) 2022-11-24
CN115315952B (zh) 2025-02-25
EP4124039A4 (en) 2024-08-07
CN115315952A (zh) 2022-11-08
JP2021150788A (ja) 2021-09-27

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