JP4989548B2 - データ変換装置及びその制御方法 - Google Patents

データ変換装置及びその制御方法 Download PDF

Info

Publication number
JP4989548B2
JP4989548B2 JP2008111903A JP2008111903A JP4989548B2 JP 4989548 B2 JP4989548 B2 JP 4989548B2 JP 2008111903 A JP2008111903 A JP 2008111903A JP 2008111903 A JP2008111903 A JP 2008111903A JP 4989548 B2 JP4989548 B2 JP 4989548B2
Authority
JP
Japan
Prior art keywords
length information
data
information
output
procedure
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.)
Expired - Fee Related
Application number
JP2008111903A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009267543A5 (https=
JP2009267543A (ja
Inventor
直紹 伊藤
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.)
Canon Inc
Original Assignee
Canon 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
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2008111903A priority Critical patent/JP4989548B2/ja
Priority to US12/420,925 priority patent/US7907071B2/en
Publication of JP2009267543A publication Critical patent/JP2009267543A/ja
Publication of JP2009267543A5 publication Critical patent/JP2009267543A5/ja
Application granted granted Critical
Publication of JP4989548B2 publication Critical patent/JP4989548B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H03M7/46—Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2008111903A 2008-04-22 2008-04-22 データ変換装置及びその制御方法 Expired - Fee Related JP4989548B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008111903A JP4989548B2 (ja) 2008-04-22 2008-04-22 データ変換装置及びその制御方法
US12/420,925 US7907071B2 (en) 2008-04-22 2009-04-09 Data conversion apparatus and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008111903A JP4989548B2 (ja) 2008-04-22 2008-04-22 データ変換装置及びその制御方法

Publications (3)

Publication Number Publication Date
JP2009267543A JP2009267543A (ja) 2009-11-12
JP2009267543A5 JP2009267543A5 (https=) 2011-05-19
JP4989548B2 true JP4989548B2 (ja) 2012-08-01

Family

ID=41200689

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008111903A Expired - Fee Related JP4989548B2 (ja) 2008-04-22 2008-04-22 データ変換装置及びその制御方法

Country Status (2)

Country Link
US (1) US7907071B2 (https=)
JP (1) JP4989548B2 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11360920B2 (en) 2020-08-31 2022-06-14 Micron Technology, Inc. Mapping high-speed, point-to-point interface channels to packet virtual channels
US11418455B2 (en) 2020-08-31 2022-08-16 Micron Technology, Inc. Transparent packet splitting and recombining
US11296995B2 (en) 2020-08-31 2022-04-05 Micron Technology, Inc. Reduced sized encoding of packet length field
US11539623B2 (en) 2020-08-31 2022-12-27 Micron Technology, Inc. Single field for encoding multiple elements
US11412075B2 (en) 2020-08-31 2022-08-09 Micron Technology, Inc. Multiple protocol header processing

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2993411B2 (ja) * 1995-10-19 1999-12-20 富士ゼロックス株式会社 画像形成装置
JPH11103395A (ja) * 1997-09-29 1999-04-13 Murata Mach Ltd 符号化方法、符号化装置及びそのプログラム記録媒体
US6295272B1 (en) * 1998-04-20 2001-09-25 Gadzoox Networks, Inc. Subchannel modulation scheme for carrying management and control data outside the regular data channel
JP3937788B2 (ja) * 2001-04-19 2007-06-27 ソニー株式会社 データ記録方法及び装置、データ再生方法及び装置、データ編集方法及び装置
JP2004072273A (ja) * 2002-08-02 2004-03-04 Canon Inc 画像処理装置及び方法、並びにコンピュータプログラム及びコンピュータ可読記憶媒体
JP3870171B2 (ja) * 2003-03-11 2007-01-17 キヤノン株式会社 符号化方法及び符号化装置、コンピュータプログラム並びにコンピュータ可読記憶媒体
US7330320B1 (en) * 2003-06-16 2008-02-12 Marvell International Ltd. Method and apparatus to limit DC-level in coded data
JP3815482B2 (ja) * 2004-03-09 2006-08-30 セイコーエプソン株式会社 データ転送制御装置及び電子機器
JP2007189527A (ja) 2006-01-13 2007-07-26 Canon Inc 符号伸張装置

Also Published As

Publication number Publication date
JP2009267543A (ja) 2009-11-12
US7907071B2 (en) 2011-03-15
US20090261996A1 (en) 2009-10-22

Similar Documents

Publication Publication Date Title
EP1832000B1 (en) Device and data method for selective compression and decompression and data format for compressed data
JP4989548B2 (ja) データ変換装置及びその制御方法
CN106021356B (zh) 依据输入区块类型使用动态散列算法的硬件数据压缩器
US8134483B2 (en) Data processing apparatus and method
JP6009676B2 (ja) データ圧縮装置およびデータ伸張装置
US8934727B2 (en) Image processing apparatus, image processing method, and image forming apparatus
JPH09275349A (ja) データ圧縮装置及びデータ復元装置
CN103841424B (zh) 随机存取存储器中压缩数据的系统及方法
CN106027063B (zh) 基于节点字符串匹配机率对散列链进行分类的硬件数据压缩器
TW201706998A (zh) 直接對ｌｚ７７引擎輸出之標記進行霍夫曼編碼程序之硬體資料壓縮器
US6693567B2 (en) Multi-byte Lempel-Ziv 1(LZ1) decompression
TW201640832A (zh) 利用預先霍夫曼編碼決定對匹配字串或背向指標執行霍夫曼編碼程序之硬體資料壓縮器
EP3444952A1 (en) Data compression apparatus, data decompression apparatus, data compression program, data decompression program, data compression method, and data decompression method
CN106027064B (zh) 硬件数据压缩器、硬件数据压缩方法及计算机程序产品
JP4443165B2 (ja) 画像圧縮装置及び画像圧縮方法
CN113595557B (zh) 一种数据处理的方法和装置
JP2007520112A (ja) Ｘｍｌファイルのための迅速にクエリ可能なデータ圧縮フォーマット
CN105978574A (zh) 在输入区块扫描时维持分类符号列的硬件数据压缩器
US8406538B2 (en) Image processing apparatus and image processing method
JP3584032B2 (ja) データ圧縮装置及びデータ展開装置
JP2004274554A (ja) 符号化方法及び符号化装置、コンピュータプログラム並びにコンピュータ可読記憶媒体
EP2600531A1 (en) Method for determining a modifiable element in a coded bit-stream and associated device
TWI576770B (zh) 用於基於一梯度統計圖編碼一影像描述符之方法及相關影像處理裝置
JP2011055422A (ja) データ変換装置
US8786471B1 (en) Lossless data compression with variable width codes

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110401

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20110401

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20120327

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20120330

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20120427

R151 Written notification of patent or utility model registration

Ref document number: 4989548

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20150511

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees