KR102112942B1 - 디스플레이 스트림 압축에 대한 지각적 양자화 파라미터 (qp) 가중을 위한 장치 및 방법들 - Google Patents

디스플레이 스트림 압축에 대한 지각적 양자화 파라미터 (qp) 가중을 위한 장치 및 방법들 Download PDF

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KR102112942B1
KR102112942B1 KR1020187029400A KR20187029400A KR102112942B1 KR 102112942 B1 KR102112942 B1 KR 102112942B1 KR 1020187029400 A KR1020187029400 A KR 1020187029400A KR 20187029400 A KR20187029400 A KR 20187029400A KR 102112942 B1 KR102112942 B1 KR 102112942B1
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네이탄 헤임 제이콥슨
비자야라가반 티루말라이
라잔 랙스맨 조쉬
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퀄컴 인코포레이티드
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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
    • H04N19/115—Selection of the code volume for a coding unit prior to 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
    • H04N19/10—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
    • 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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/186—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 colour or a chrominance component

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  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020187029400A 2016-04-14 2017-04-07 디스플레이 스트림 압축에 대한 지각적 양자화 파라미터 (qp) 가중을 위한 장치 및 방법들 Expired - Fee Related KR102112942B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662322730P 2016-04-14 2016-04-14
US62/322,730 2016-04-14
US15/481,228 US10432936B2 (en) 2016-04-14 2017-04-06 Apparatus and methods for perceptual quantization parameter (QP) weighting for display stream compression
US15/481,228 2017-04-06
PCT/US2017/026613 WO2017180472A1 (en) 2016-04-14 2017-04-07 Apparatus and methods for perceptual quantization parameter (qp) weighting for display stream compression

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KR20180134895A KR20180134895A (ko) 2018-12-19
KR102112942B1 true KR102112942B1 (ko) 2020-05-19

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US (1) US10432936B2 (https=)
EP (1) EP3443747A1 (https=)
JP (1) JP2019514290A (https=)
KR (1) KR102112942B1 (https=)
CN (1) CN108886615A (https=)
AU (1) AU2017249135A1 (https=)
BR (1) BR112018071067A2 (https=)
TW (1) TW201739246A (https=)
WO (1) WO2017180472A1 (https=)

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US10567803B2 (en) 2017-04-12 2020-02-18 Qualcomm Incorporated Midpoint prediction error diffusion for display stream compression
CN108810530B (zh) * 2018-07-12 2025-04-29 珠海亿智电子科技有限公司 一种基于人眼视觉系统的avc码率控制方法
CN110620807B (zh) * 2019-05-14 2020-11-06 北京邮电大学 文件传输方法、服务器、系统、设备以及存储介质
JP2021072485A (ja) * 2019-10-29 2021-05-06 株式会社リコー 符号化装置、復号化装置、符号化方法、復号化方法、符号化プログラム及び復号化プログラム

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US20150003518A1 (en) * 2013-06-28 2015-01-01 Research In Motion Limited Methods and devices for emulating low-fidelity coding in a high-fidelity coder

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US20030112863A1 (en) * 2001-07-12 2003-06-19 Demos Gary A. Method and system for improving compressed image chroma information
JP4934081B2 (ja) * 2008-02-28 2012-05-16 株式会社リコー 符号化装置、符号処理装置、符号化方法、符号処理方法、コンピュータプログラム及び記録媒体
JP5502336B2 (ja) * 2009-02-06 2014-05-28 パナソニック株式会社 映像信号符号化装置及び、映像信号符号化方法
JP2011259362A (ja) * 2010-06-11 2011-12-22 Sony Corp 画像処理装置および方法
WO2013109838A1 (en) * 2012-01-20 2013-07-25 Sony Corporation Chroma quantization parameter extension
US9451258B2 (en) * 2012-04-03 2016-09-20 Qualcomm Incorporated Chroma slice-level QP offset and deblocking
US9414054B2 (en) 2012-07-02 2016-08-09 Microsoft Technology Licensing, Llc Control and use of chroma quantization parameter values
AU2013365309A1 (en) * 2012-12-18 2015-04-30 Sony Corporation Image processing device and image processing method
JP2015173312A (ja) * 2014-03-11 2015-10-01 ソニー株式会社 画像符号化装置および方法、並びに画像復号装置および方法
US9848193B2 (en) 2014-04-15 2017-12-19 Qualcomm Incorporated System and method for selecting quantization parameter (QP) in display stream compression (DSC)
US20150373327A1 (en) 2014-06-20 2015-12-24 Qualcomm Incorporated Block adaptive color-space conversion coding

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
US20140247983A1 (en) * 2012-10-03 2014-09-04 Broadcom Corporation High-Throughput Image and Video Compression
US20150003518A1 (en) * 2013-06-28 2015-01-01 Research In Motion Limited Methods and devices for emulating low-fidelity coding in a high-fidelity coder

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US10432936B2 (en) 2019-10-01
CN108886615A (zh) 2018-11-23
AU2017249135A1 (en) 2018-09-27
US20170302932A1 (en) 2017-10-19
WO2017180472A1 (en) 2017-10-19
TW201739246A (zh) 2017-11-01
JP2019514290A (ja) 2019-05-30
BR112018071067A2 (pt) 2019-02-12
KR20180134895A (ko) 2018-12-19
EP3443747A1 (en) 2019-02-20

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