JP7545410B2 - ビデオコーディングのための拡張されたマルチプル変換選択 - Google Patents

ビデオコーディングのための拡張されたマルチプル変換選択 Download PDF

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JP7545410B2
JP7545410B2 JP2021557963A JP2021557963A JP7545410B2 JP 7545410 B2 JP7545410 B2 JP 7545410B2 JP 2021557963 A JP2021557963 A JP 2021557963A JP 2021557963 A JP2021557963 A JP 2021557963A JP 7545410 B2 JP7545410 B2 JP 7545410B2
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transform
video
current block
block
coding
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エイイレメゼ、ヒルミ・エネス
セレジン、バディム
サイド、アミール
カルチェビチ、マルタ
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Qualcomm Inc
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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
    • H04N19/10—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
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
    • H04N19/60—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
    • H04N19/70—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
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

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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)
JP2021557963A 2019-04-05 2020-04-03 ビデオコーディングのための拡張されたマルチプル変換選択 Active JP7545410B2 (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201962830125P 2019-04-05 2019-04-05
US62/830,125 2019-04-05
US201962855398P 2019-05-31 2019-05-31
US62/855,398 2019-05-31
US16/838,553 2020-04-02
US16/838,553 US11240534B2 (en) 2019-04-05 2020-04-02 Extended multiple transform selection for video coding
PCT/US2020/026620 WO2020206286A1 (en) 2019-04-05 2020-04-03 Extended multiple transform selection for video coding

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JP2022526375A JP2022526375A (ja) 2022-05-24
JP2022526375A5 JP2022526375A5 (https=) 2023-03-14
JPWO2020206286A5 JPWO2020206286A5 (https=) 2023-03-14
JP7545410B2 true JP7545410B2 (ja) 2024-09-04

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US (2) US11240534B2 (https=)
EP (1) EP3949399A1 (https=)
JP (1) JP7545410B2 (https=)
KR (1) KR20210142642A (https=)
CN (2) CN119865607A (https=)
BR (1) BR112021018855A2 (https=)
SG (1) SG11202109470VA (https=)
WO (1) WO2020206286A1 (https=)

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CN114422782B (zh) * 2021-12-23 2023-09-19 北京达佳互联信息技术有限公司 视频编码方法、装置、存储介质及电子设备
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CN119999215A (zh) * 2022-10-12 2025-05-13 Lg 电子株式会社 视频编码/解码方法和设备、以及存储比特流的记录介质
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SG11202109470VA (en) 2021-10-28
US11683527B2 (en) 2023-06-20
US20220030278A1 (en) 2022-01-27
KR20210142642A (ko) 2021-11-25
BR112021018855A2 (pt) 2021-11-30
WO2020206286A1 (en) 2020-10-08
JP2022526375A (ja) 2022-05-24
EP3949399A1 (en) 2022-02-09
CN113632472A (zh) 2021-11-09
US11240534B2 (en) 2022-02-01
CN119865607A (zh) 2025-04-22
US20200322636A1 (en) 2020-10-08

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