CN108702513B - 用于在显示流压缩中量化参数的适应性计算的设备及方法 - Google Patents

用于在显示流压缩中量化参数的适应性计算的设备及方法 Download PDF

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CN108702513B
CN108702513B CN201780015800.2A CN201780015800A CN108702513B CN 108702513 B CN108702513 B CN 108702513B CN 201780015800 A CN201780015800 A CN 201780015800A CN 108702513 B CN108702513 B CN 108702513B
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value
buffer
fullness
video
video data
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CN108702513A (zh
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V·提鲁马莱
N·H·雅各布森
R·L·乔许
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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
    • H04N19/124—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
    • H04N19/102—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
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/134—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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • 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
    • H04N19/134—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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • H04N19/197—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including determination of the initial value of an encoding parameter

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
CN201780015800.2A 2016-03-22 2017-03-22 用于在显示流压缩中量化参数的适应性计算的设备及方法 Active CN108702513B (zh)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201662311586P 2016-03-22 2016-03-22
US62/311,586 2016-03-22
US201662329160P 2016-04-28 2016-04-28
US62/329,160 2016-04-28
US15/465,328 US20170280139A1 (en) 2016-03-22 2017-03-21 Apparatus and methods for adaptive calculation of quantization parameters in display stream compression
US15/465,328 2017-03-21
PCT/US2017/023604 WO2017165529A1 (en) 2016-03-22 2017-03-22 Apparatus and methods for adaptive calculation of quantization parameters in display stream compression

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EP (1) EP3434017B1 (https=)
JP (1) JP2019512970A (https=)
KR (1) KR20180122354A (https=)
CN (1) CN108702513B (https=)
BR (1) BR112018069086A2 (https=)
CA (1) CA3014931A1 (https=)
TW (1) TWI743098B (https=)
WO (1) WO2017165529A1 (https=)

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US10638133B2 (en) 2018-01-31 2020-04-28 Qualcomm Incorporated Delta quantization parameter (QP) coding options for video
US10924739B2 (en) * 2018-10-31 2021-02-16 Ati Technologies Ulc Efficient quantization parameter prediction method for low latency video coding
KR102621118B1 (ko) * 2018-11-01 2024-01-04 삼성전자주식회사 영상 적응적 양자화 테이블을 이용한 영상의 부호화 장치 및 방법
EP4054189B1 (en) * 2019-10-28 2025-07-30 LG Electronics Inc. Method for encoding/decoding image using color space conversion, and method for transmitting bitstream
CN113038136B (zh) * 2019-12-25 2022-10-11 成都鼎桥通信技术有限公司 一种视频自适应调整方法和装置
US11381830B2 (en) * 2020-06-11 2022-07-05 Tencent America LLC Modified quantizer
US12192477B2 (en) 2021-03-23 2025-01-07 Samsung Electronics Co., Ltd. Quantum parameter control and the method thereof
EP4195666B1 (en) 2021-12-08 2024-11-20 Axis AB An encoding device and a method for encoding an image frame including selective restriction of offset compression values
CN117676141A (zh) * 2022-09-08 2024-03-08 华为技术有限公司 图像编解码方法、装置、编码器、解码器和系统

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EP3434017C0 (en) 2024-02-28
EP3434017A1 (en) 2019-01-30
CN108702513A (zh) 2018-10-23
US20170280139A1 (en) 2017-09-28
JP2019512970A (ja) 2019-05-16
EP3434017B1 (en) 2024-02-28
BR112018069086A2 (pt) 2019-01-22
TW201737708A (zh) 2017-10-16
CA3014931A1 (en) 2017-09-28
TWI743098B (zh) 2021-10-21
WO2017165529A1 (en) 2017-09-28
KR20180122354A (ko) 2018-11-12

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