EP4352626A4 - Compression adaptative - Google Patents

Compression adaptative Download PDF

Info

Publication number
EP4352626A4
EP4352626A4 EP21944631.7A EP21944631A EP4352626A4 EP 4352626 A4 EP4352626 A4 EP 4352626A4 EP 21944631 A EP21944631 A EP 21944631A EP 4352626 A4 EP4352626 A4 EP 4352626A4
Authority
EP
European Patent Office
Prior art keywords
adaptive compression
adaptive
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
EP21944631.7A
Other languages
German (de)
English (en)
Other versions
EP4352626A1 (fr
Inventor
Marko MILENKOVIC
Sajeevan ACHUTHAN
Zhantu TANG
Lei Yu
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.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co 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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of EP4352626A1 publication Critical patent/EP4352626A1/fr
Publication of EP4352626A4 publication Critical patent/EP4352626A4/fr
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
    • H03M7/60—General implementation details not specific to a particular type of compression
    • H03M7/6064—Selection of Compressor
    • 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
    • H03M7/3084—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method
    • H03M7/3088—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method employing the use of a dictionary, e.g. LZ78
    • 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
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4031—Fixed length to variable length coding
    • H03M7/4037—Prefix coding
    • H03M7/4043—Adaptive prefix coding
    • H03M7/4056—Coding table selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/565—Conversion or adaptation of application format or content
    • H04L67/5651—Reducing the amount or size of exchanged application data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/04—Protocols for data compression, e.g. ROHC

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
EP21944631.7A 2021-06-11 2021-06-11 Compression adaptative Pending EP4352626A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/099775 WO2022257124A1 (fr) 2021-06-11 2021-06-11 Compression adaptative

Publications (2)

Publication Number Publication Date
EP4352626A1 EP4352626A1 (fr) 2024-04-17
EP4352626A4 true EP4352626A4 (fr) 2024-07-24

Family

ID=84424511

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21944631.7A Pending EP4352626A4 (fr) 2021-06-11 2021-06-11 Compression adaptative

Country Status (2)

Country Link
EP (1) EP4352626A4 (fr)
WO (1) WO2022257124A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115774699B (zh) * 2023-01-30 2023-05-23 本原数据(北京)信息技术有限公司 数据库共享字典压缩方法、装置、电子设备及存储介质

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998006028A1 (fr) * 1996-08-06 1998-02-12 Reynar Jeffrey C Technique de compression de donnees de type lempel-ziv utilisant un dictionnaire contenant deja des combinaisons de lettres frequentes, des mots frequents et/ou des locutions frequentes
WO2019231670A1 (fr) * 2018-05-31 2019-12-05 Microsoft Technology Licensing, Llc Compression de données informatiques utilisant des alphabets à symboles multiples et liaison dynamique d'alphabets de symboles

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5556809B2 (ja) * 2009-03-30 2014-07-23 日本電気株式会社 情報処理システム、情報圧縮装置、情報復元装置、情報処理方法及びそのプログラム
CN110277998B (zh) * 2019-06-27 2024-02-27 中国电力科学研究院有限公司 电网数据无损压缩方法和装置
CN112905551B (zh) * 2019-12-04 2022-04-29 阿里巴巴集团控股有限公司 数据压缩方法、装置、电子设备及计算机可读存储介质
CN111552669A (zh) * 2020-04-26 2020-08-18 北京达佳互联信息技术有限公司 数据处理方法、装置、计算设备和存储介质

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998006028A1 (fr) * 1996-08-06 1998-02-12 Reynar Jeffrey C Technique de compression de donnees de type lempel-ziv utilisant un dictionnaire contenant deja des combinaisons de lettres frequentes, des mots frequents et/ou des locutions frequentes
WO2019231670A1 (fr) * 2018-05-31 2019-12-05 Microsoft Technology Licensing, Llc Compression de données informatiques utilisant des alphabets à symboles multiples et liaison dynamique d'alphabets de symboles

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
C. KRINTZ ET AL: "Adaptive on-the-fly compression", IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS, vol. 17, no. 1, 1 January 2006 (2006-01-01), USA, pages 15 - 24, XP055331950, ISSN: 1045-9219, DOI: 10.1109/TPDS.2006.3 *
See also references of WO2022257124A1 *

Also Published As

Publication number Publication date
WO2022257124A1 (fr) 2022-12-15
EP4352626A1 (fr) 2024-04-17

Similar Documents

Publication Publication Date Title
EP3987421C0 (fr) Balayage adaptatif
JP1717195S (ja) マイクロフォン
EP4137404A4 (fr) Multicoptère
EP4107782A4 (fr) Microréseaux
JP1717196S (ja) マイクロフォン
EP3957265A4 (fr) Microdrapé
EP4078383A4 (fr) Compression de mémoire à valeur nulle
EP4029148A4 (fr) Égaliseur adaptatif à deux niveaux
EP3937487C0 (fr) Prédiction de canal alpha
EP4219792A4 (fr) Dispositif de compression
JP1711685S (ja) マイクロホン
EP4161098A4 (fr) Microphone
EP4038239C0 (fr) Amortisseur sonore
EP4458028A4 (fr) Réduction adaptative du bruit en fonction des préférences de l'utilisateur
EP4352626A4 (fr) Compression adaptative
JP1711686S (ja) マイクロホン
EP4089206A4 (fr) Appareil de compression
EP3840400C0 (fr) Haut-parleur à chambre de compression
EP4405758A4 (fr) Codage adaptatif relatif
EP4137402A4 (fr) Multicoptère
EP4364092A4 (fr) Détection d'objet adaptative
EP4219394A4 (fr) Dispositif de compression
PL3824854T3 (pl) Odzież uciskowa
EP4407184A4 (fr) Mécanisme de compression
EP4455365A4 (fr) Dispositif de compression

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20240110

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: G06F0016174000

Ipc: H03M0007300000

A4 Supplementary search report drawn up and despatched

Effective date: 20240625

RIC1 Information provided on ipc code assigned before grant

Ipc: H04L 69/04 20220101ALN20240619BHEP

Ipc: H03M 7/40 20060101ALI20240619BHEP

Ipc: H03M 7/30 20060101AFI20240619BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)