EP3744093A4 - Video decoder and controlling method thereof - Google Patents

Video decoder and controlling method thereof Download PDF

Info

Publication number
EP3744093A4
EP3744093A4 EP18901916.9A EP18901916A EP3744093A4 EP 3744093 A4 EP3744093 A4 EP 3744093A4 EP 18901916 A EP18901916 A EP 18901916A EP 3744093 A4 EP3744093 A4 EP 3744093A4
Authority
EP
European Patent Office
Prior art keywords
video decoder
controlling method
controlling
decoder
video
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP18901916.9A
Other languages
German (de)
French (fr)
Other versions
EP3744093A1 (en
Inventor
Kyungyong Kim
Donggyu Sim
Hongsuk JEONG
Seungchul JANG
Seanae Park
Juntaek PARK
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Industry Academic Collaboration Foundation of Kwangwoon University
Original Assignee
LG Electronics Inc
Industry Academic Collaboration Foundation of Kwangwoon University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc, Industry Academic Collaboration Foundation of Kwangwoon University filed Critical LG Electronics Inc
Publication of EP3744093A1 publication Critical patent/EP3744093A1/en
Publication of EP3744093A4 publication Critical patent/EP3744093A4/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H04N19/102—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
    • H04N19/102—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
    • H04N19/10—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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
EP18901916.9A 2018-01-25 2018-01-25 Video decoder and controlling method thereof Pending EP3744093A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2018/001112 WO2019146811A1 (en) 2018-01-25 2018-01-25 Video decoder and controlling method thereof

Publications (2)

Publication Number Publication Date
EP3744093A1 EP3744093A1 (en) 2020-12-02
EP3744093A4 true EP3744093A4 (en) 2022-01-26

Family

ID=67396160

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18901916.9A Pending EP3744093A4 (en) 2018-01-25 2018-01-25 Video decoder and controlling method thereof

Country Status (2)

Country Link
EP (1) EP3744093A4 (en)
WO (1) WO2019146811A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993017523A1 (en) * 1992-02-21 1993-09-02 Rca Thomson Licensing Corporation Lower resolution hdtv receivers
US20020064230A1 (en) * 2000-11-28 2002-05-30 Noriyuki Yoshigahara Decoding apparatus, decoding method, decoding processing program and computer-readable storage medium having decoding processing program codes stored therein
WO2005093661A2 (en) * 2004-03-09 2005-10-06 Thomson Research Funding Corporation Reduced resolution update mode for advanced video coding
WO2005099276A2 (en) * 2004-04-02 2005-10-20 Thomson Licensing Complexity scalable video encoding
US20130064462A1 (en) * 2011-09-08 2013-03-14 Dolby Laboratories Licensing Corporation Efficient Decoding and Post-Processing of High Dynamic Range Images
WO2013152401A1 (en) * 2012-04-13 2013-10-17 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a subset of transform units of encoded video data
US20170006299A1 (en) * 2015-07-01 2017-01-05 Mediatek Inc. Residual up-sampling apparatus for performing transform block up-sampling and residual down-sampling apparatus for performing transform block down-sampling

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110065089A (en) * 2009-12-09 2011-06-15 삼성전자주식회사 Method and apparatus for encoding video, and method and apparatus for decoding video
KR20120012385A (en) * 2010-07-31 2012-02-09 오수미 Intra prediction coding apparatus
US9955154B2 (en) * 2012-06-29 2018-04-24 Intel Corporation Systems, methods, and computer program products for scalable video coding based on coefficient sampling
KR20140071809A (en) * 2012-12-04 2014-06-12 삼성전자주식회사 Method for Processing Video Data and Device Thereof
US20160142711A1 (en) * 2014-11-17 2016-05-19 Vixs Systems, Inc. Video coder with adaptive bac engine and methods for use therewith

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993017523A1 (en) * 1992-02-21 1993-09-02 Rca Thomson Licensing Corporation Lower resolution hdtv receivers
US20020064230A1 (en) * 2000-11-28 2002-05-30 Noriyuki Yoshigahara Decoding apparatus, decoding method, decoding processing program and computer-readable storage medium having decoding processing program codes stored therein
WO2005093661A2 (en) * 2004-03-09 2005-10-06 Thomson Research Funding Corporation Reduced resolution update mode for advanced video coding
WO2005099276A2 (en) * 2004-04-02 2005-10-20 Thomson Licensing Complexity scalable video encoding
US20130064462A1 (en) * 2011-09-08 2013-03-14 Dolby Laboratories Licensing Corporation Efficient Decoding and Post-Processing of High Dynamic Range Images
WO2013152401A1 (en) * 2012-04-13 2013-10-17 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding a subset of transform units of encoded video data
US20170006299A1 (en) * 2015-07-01 2017-01-05 Mediatek Inc. Residual up-sampling apparatus for performing transform block up-sampling and residual down-sampling apparatus for performing transform block down-sampling

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BUDAGAVI (TI) M: "IDCT pruning", no. JCTVC-E386, 11 March 2011 (2011-03-11), XP030227078, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jct/doc_end_user/documents/5_Geneva/wg11/JCTVC-E386-v2.zip JCTVC-E386_r1.doc> [retrieved on 20110311] *

Also Published As

Publication number Publication date
WO2019146811A1 (en) 2019-08-01
EP3744093A1 (en) 2020-12-02

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