GB202215649D0 - Lossy compression techniques - Google Patents

Lossy compression techniques

Info

Publication number
GB202215649D0
GB202215649D0 GBGB2215649.1A GB202215649A GB202215649D0 GB 202215649 D0 GB202215649 D0 GB 202215649D0 GB 202215649 A GB202215649 A GB 202215649A GB 202215649 D0 GB202215649 D0 GB 202215649D0
Authority
GB
United Kingdom
Prior art keywords
compression techniques
lossy compression
lossy
techniques
compression
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
GBGB2215649.1A
Other versions
GB2608965A (en
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.)
Apple Inc
Original Assignee
Apple Inc
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
Priority claimed from US16/855,459 external-priority patent/US11405622B2/en
Priority claimed from US16/855,540 external-priority patent/US11664816B2/en
Application filed by Apple Inc filed Critical Apple Inc
Publication of GB202215649D0 publication Critical patent/GB202215649D0/en
Publication of GB2608965A publication Critical patent/GB2608965A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3059—Digital compression and data reduction techniques where the original information is represented by a subset or similar information, e.g. lossy compression
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3082—Vector 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
    • H04N19/102—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
    • H04N19/169—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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
GB2215649.1A 2020-04-22 2021-04-16 Lossy compression techniques Pending GB2608965A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16/855,459 US11405622B2 (en) 2020-04-22 2020-04-22 Lossless compression techniques
US16/855,540 US11664816B2 (en) 2020-04-22 2020-04-22 Lossy compression techniques
PCT/US2021/027623 WO2021216361A1 (en) 2020-04-22 2021-04-16 Lossy compression techniques

Publications (2)

Publication Number Publication Date
GB202215649D0 true GB202215649D0 (en) 2022-12-07
GB2608965A GB2608965A (en) 2023-01-18

Family

ID=75914572

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2215649.1A Pending GB2608965A (en) 2020-04-22 2021-04-16 Lossy compression techniques

Country Status (5)

Country Link
KR (1) KR20220157467A (en)
CN (1) CN115516769A (en)
DE (1) DE112021002484T5 (en)
GB (1) GB2608965A (en)
WO (1) WO2021216361A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03129987A (en) * 1989-10-14 1991-06-03 Sony Corp Method for coding video signal
DE69718834T2 (en) * 1996-05-17 2003-11-13 Matsushita Electric Ind Co Ltd Image decoding device with object zone decoder and shape decoder
JP3687080B2 (en) * 1996-07-17 2005-08-24 ソニー株式会社 Image encoding device, image encoding method, image decoding device, image decoding method, and recording medium

Also Published As

Publication number Publication date
DE112021002484T5 (en) 2023-04-06
GB2608965A (en) 2023-01-18
KR20220157467A (en) 2022-11-29
WO2021216361A1 (en) 2021-10-28
CN115516769A (en) 2022-12-23

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