KR102293104B1 - 리샘플링 프로세스에서 중간 데이터의 동적 범위 제어 - Google Patents

리샘플링 프로세스에서 중간 데이터의 동적 범위 제어 Download PDF

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KR102293104B1
KR102293104B1 KR1020207025394A KR20207025394A KR102293104B1 KR 102293104 B1 KR102293104 B1 KR 102293104B1 KR 1020207025394 A KR1020207025394 A KR 1020207025394A KR 20207025394 A KR20207025394 A KR 20207025394A KR 102293104 B1 KR102293104 B1 KR 102293104B1
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intermediate output
bits
video
reference layer
bit depth
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KR20200105977A (ko
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지안레 천
샹 리
웨이 푸
마르타 카르체비츠
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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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
    • 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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output 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
    • H04N19/42—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
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H04N19/615—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding using motion compensated temporal filtering [MCTF]
    • 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
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/64—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020207025394A 2013-06-07 2014-06-04 리샘플링 프로세스에서 중간 데이터의 동적 범위 제어 Active KR102293104B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201361832648P 2013-06-07 2013-06-07
US61/832,648 2013-06-07
US14/294,913 2014-06-03
US14/294,913 US9762920B2 (en) 2013-06-07 2014-06-03 Dynamic range control of intermediate data in resampling process
KR1020167000158A KR20160017045A (ko) 2013-06-07 2014-06-04 리샘플링 프로세스에서 중간 데이터의 동적 범위 제어
PCT/US2014/040909 WO2014197595A1 (en) 2013-06-07 2014-06-04 Dynamic range control of intermediate data in resampling process

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KR1020167000158A Division KR20160017045A (ko) 2013-06-07 2014-06-04 리샘플링 프로세스에서 중간 데이터의 동적 범위 제어

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KR20200105977A KR20200105977A (ko) 2020-09-09
KR102293104B1 true KR102293104B1 (ko) 2021-08-23

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KR1020167000158A Ceased KR20160017045A (ko) 2013-06-07 2014-06-04 리샘플링 프로세스에서 중간 데이터의 동적 범위 제어

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US (1) US9762920B2 (enExample)
EP (1) EP3005706A1 (enExample)
JP (1) JP6479776B2 (enExample)
KR (2) KR102293104B1 (enExample)
CN (1) CN105264895B (enExample)
BR (1) BR112015030642B1 (enExample)
WO (1) WO2014197595A1 (enExample)

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KR20140138538A (ko) * 2013-05-24 2014-12-04 주식회사 케이티 복수의 레이어를 지원하는 비디오 코딩 방법 및 장치
KR20150026927A (ko) * 2013-09-03 2015-03-11 주식회사 케이티 스케일러블 비디오 신호 인코딩/디코딩 방법 및 장치
US10769818B2 (en) * 2017-04-09 2020-09-08 Intel Corporation Smart compression/decompression schemes for efficiency and superior results
GB2586517B (en) * 2019-08-23 2022-06-15 Imagination Tech Ltd Methods and decompression units for decompressing a compressed block of image data

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US7305034B2 (en) * 2002-04-10 2007-12-04 Microsoft Corporation Rounding control for multi-stage interpolation
US20050259729A1 (en) * 2004-05-21 2005-11-24 Shijun Sun Video coding with quality scalability
US8023569B2 (en) * 2005-12-15 2011-09-20 Sharp Laboratories Of America, Inc. Methods and systems for block-based residual upsampling
US7956930B2 (en) * 2006-01-06 2011-06-07 Microsoft Corporation Resampling and picture resizing operations for multi-resolution video coding and decoding
US8451899B2 (en) * 2006-01-09 2013-05-28 Lg Electronics Inc. Inter-layer prediction method for video signal
EP1933563A1 (en) * 2006-12-14 2008-06-18 Thomson Licensing Method and apparatus for encoding and/or decoding bit depth scalable video data using adaptive enhancement layer residual prediction
US8199812B2 (en) * 2007-01-09 2012-06-12 Qualcomm Incorporated Adaptive upsampling for scalable video coding
EP2127395B1 (en) * 2007-01-10 2016-08-17 Thomson Licensing Video encoding method and video decoding method for enabling bit depth scalability
US20100220789A1 (en) * 2007-10-19 2010-09-02 Wu Yuwen Combined spatial and bit-depth scalability
EP2396967B1 (en) * 2009-02-11 2018-10-10 InterDigital Madison Patent Holdings Methods and apparatus for bit depth scalable video encoding and decoding utilizing tone mapping and inverse tone mapping
WO2011126272A2 (en) * 2010-04-05 2011-10-13 Samsung Electronics Co., Ltd. Method and apparatus for encoding video by using dynamic-range transformation, and method and apparatus for decoding video by using dynamic-range transformation
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PL4099700T3 (pl) * 2011-01-07 2025-03-03 Nokia Technologies Oy Predykcja ruchu w kodowaniu wideo
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WO2013069958A1 (ko) * 2011-11-07 2013-05-16 삼성전자 주식회사 비디오 복호화 과정에서 역양자화 및 역변환의 데이터를 클리핑하는 역변환 방법 및 그 장치

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Also Published As

Publication number Publication date
CN105264895A (zh) 2016-01-20
JP6479776B2 (ja) 2019-03-06
EP3005706A1 (en) 2016-04-13
US9762920B2 (en) 2017-09-12
BR112015030642A2 (pt) 2017-07-25
CN105264895B (zh) 2019-06-14
US20140362909A1 (en) 2014-12-11
WO2014197595A1 (en) 2014-12-11
BR112015030642B1 (pt) 2023-04-11
KR20200105977A (ko) 2020-09-09
JP2016523476A (ja) 2016-08-08
KR20160017045A (ko) 2016-02-15

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