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GB2611598B - Data compression and decompression - Google Patents

Data compression and decompression Download PDF

Info

Publication number
GB2611598B
GB2611598B GB2204486.1A GB202204486A GB2611598B GB 2611598 B GB2611598 B GB 2611598B GB 202204486 A GB202204486 A GB 202204486A GB 2611598 B GB2611598 B GB 2611598B
Authority
GB
United Kingdom
Prior art keywords
decompression
data compression
compression
data
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.)
Active
Application number
GB2204486.1A
Other versions
GB2611598A (en
GB202204486D0 (en
Inventor
Smith-Lacey Peter
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.)
Imagination Technologies Ltd
Original Assignee
Imagination Technologies Ltd
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 Imagination Technologies Ltd filed Critical Imagination Technologies Ltd
Priority to GB2204486.1A priority Critical patent/GB2611598B/en
Publication of GB202204486D0 publication Critical patent/GB202204486D0/en
Priority to US18/123,925 priority patent/US20230334707A1/en
Priority to US18/123,939 priority patent/US20230334708A1/en
Priority to US18/123,900 priority patent/US12333768B2/en
Priority to CN202310295592.3A priority patent/CN116896387A/en
Priority to EP23164306.5A priority patent/EP4254806A1/en
Priority to EP23164304.0A priority patent/EP4254805A1/en
Priority to EP23164307.3A priority patent/EP4254807A1/en
Publication of GB2611598A publication Critical patent/GB2611598A/en
Application granted granted Critical
Publication of GB2611598B publication Critical patent/GB2611598B/en
Priority to US19/239,806 priority patent/US20250363669A1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H03M7/60—General implementation details not specific to a particular type of compression
    • H03M7/6005—Decoder aspects
    • 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
    • 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
    • H03M7/60—General implementation details not specific to a particular type of compression
    • H03M7/6041—Compression optimized for errors
    • 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
    • H03M7/60—General implementation details not specific to a particular type of compression
    • H03M7/6064—Selection of Compressor
    • H03M7/607—Selection between different types of compressors
    • 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
    • H04N19/182—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 pixel
    • 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
    • H04N19/42—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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
GB2204486.1A 2022-03-29 2022-03-29 Data compression and decompression Active GB2611598B (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
GB2204486.1A GB2611598B (en) 2022-03-29 2022-03-29 Data compression and decompression
US18/123,925 US20230334707A1 (en) 2022-03-29 2023-03-20 Data compression and decompression
US18/123,939 US20230334708A1 (en) 2022-03-29 2023-03-20 Data compression and decompression
US18/123,900 US12333768B2 (en) 2022-03-29 2023-03-20 Data compression and decompression
CN202310295592.3A CN116896387A (en) 2022-03-29 2023-03-24 Data compression and decompression
EP23164304.0A EP4254805A1 (en) 2022-03-29 2023-03-27 Data compression and decompression
EP23164306.5A EP4254806A1 (en) 2022-03-29 2023-03-27 Data compression and decompression
EP23164307.3A EP4254807A1 (en) 2022-03-29 2023-03-27 Data compression and decompression
US19/239,806 US20250363669A1 (en) 2022-03-29 2025-06-16 Data Compression and Decompression

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2204486.1A GB2611598B (en) 2022-03-29 2022-03-29 Data compression and decompression

Publications (3)

Publication Number Publication Date
GB202204486D0 GB202204486D0 (en) 2022-05-11
GB2611598A GB2611598A (en) 2023-04-12
GB2611598B true GB2611598B (en) 2023-11-22

Family

ID=81449539

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2204486.1A Active GB2611598B (en) 2022-03-29 2022-03-29 Data compression and decompression

Country Status (2)

Country Link
CN (1) CN116896387A (en)
GB (1) GB2611598B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118381831B (en) * 2024-04-26 2026-01-13 山东浪潮科学研究院有限公司 Decompression method, system, medium and device for data packet in network on chip

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2545503A (en) * 2015-12-18 2017-06-21 Imagination Tech Ltd Lossy data compression

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2545503A (en) * 2015-12-18 2017-06-21 Imagination Tech Ltd Lossy data compression

Also Published As

Publication number Publication date
CN116896387A (en) 2023-10-17
GB2611598A (en) 2023-04-12
GB202204486D0 (en) 2022-05-11

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