WO2011090359A3 - 데이터 압축/해제장치 및 방법 - Google Patents

데이터 압축/해제장치 및 방법 Download PDF

Info

Publication number
WO2011090359A3
WO2011090359A3 PCT/KR2011/000518 KR2011000518W WO2011090359A3 WO 2011090359 A3 WO2011090359 A3 WO 2011090359A3 KR 2011000518 W KR2011000518 W KR 2011000518W WO 2011090359 A3 WO2011090359 A3 WO 2011090359A3
Authority
WO
WIPO (PCT)
Prior art keywords
data
hidden
data bits
data compression
decompression device
Prior art date
Application number
PCT/KR2011/000518
Other languages
English (en)
French (fr)
Other versions
WO2011090359A2 (ko
Inventor
김형중
Original Assignee
고려대학교 산학협력단
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 고려대학교 산학협력단 filed Critical 고려대학교 산학협력단
Priority to KR1020127015998A priority Critical patent/KR101367811B1/ko
Publication of WO2011090359A2 publication Critical patent/WO2011090359A2/ko
Publication of WO2011090359A3 publication Critical patent/WO2011090359A3/ko

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
    • 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)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

본 발명은 데이터를 압축하거나 압축된 데이터를 복원하는 데이터 처리장치 및 방법에 관한 것이다. 이를 위해 압축을 위한 2진 정보 비트 열로부터 선택한 피 은닉 정보 비트의 값이 결정 값인 경우 상기 2진 정보 비트 열로부터 m(≥1) 개의 은닉 정보 비트를 추가로 선택한다. 그리고 상기 추가로 선택한 m(≥1)개의 은닉 정보 비트에 대응하여 미리 설정된 2m 진 값으로 상기 선택한 피 은닉 정보 비트와 상기 추가로 선택한 m 개의 은닉 정보 비트를 치환한다.
PCT/KR2011/000518 2010-01-25 2011-01-25 데이터 압축/해제장치 및 방법 WO2011090359A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020127015998A KR101367811B1 (ko) 2010-01-25 2011-01-25 데이터 압축/해제장치 및 방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0006688 2010-01-25
KR20100006688 2010-01-25

Publications (2)

Publication Number Publication Date
WO2011090359A2 WO2011090359A2 (ko) 2011-07-28
WO2011090359A3 true WO2011090359A3 (ko) 2012-01-05

Family

ID=44307429

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/000518 WO2011090359A2 (ko) 2010-01-25 2011-01-25 데이터 압축/해제장치 및 방법

Country Status (2)

Country Link
KR (1) KR101367811B1 (ko)
WO (1) WO2011090359A2 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101468307B1 (ko) * 2013-05-27 2014-12-02 김정훈 이진데이터 압축 및 압축해제 장치와 방법
CN114390153B (zh) * 2021-12-02 2023-07-11 中南大学 一种秘密信息的无损传输、隐藏、读取方法及计算机系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6895101B2 (en) * 2002-06-28 2005-05-17 University Of Rochester System and method for embedding information in digital signals
KR20060112682A (ko) * 2003-12-05 2006-11-01 뉴저지 인스티튜트 오브 테크놀로지 공간 도메인에서의 강건한 가역 데이터 숨김 및 데이터복구를 수행하는 시스템 및 방법
WO2010003152A1 (en) * 2008-07-03 2010-01-07 Verimatrix, Inc. Efficient watermarking approaches of compressed media

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100389702B1 (ko) * 2000-09-18 2003-06-27 주식회사 보람씨앤씨 비트치환에 의한 무손실 데이터압축 및 복원방법

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6895101B2 (en) * 2002-06-28 2005-05-17 University Of Rochester System and method for embedding information in digital signals
KR20060112682A (ko) * 2003-12-05 2006-11-01 뉴저지 인스티튜트 오브 테크놀로지 공간 도메인에서의 강건한 가역 데이터 숨김 및 데이터복구를 수행하는 시스템 및 방법
WO2010003152A1 (en) * 2008-07-03 2010-01-07 Verimatrix, Inc. Efficient watermarking approaches of compressed media

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
C. CHANG ET AL.: "Finding optimal least significant bit substitution in image hiding by dynamic programming strategy", PATTERN RECOGNITION, vol. 36, 2003, pages 1583 - 1595, XP004417155, DOI: 10.1016/S0031-3203(02)00289-3 *
W. BENDER ET AL.: "Techniques for data hiding", IBM SYSTEMS JOURNAL, vol. 35, no. 3&4, 1996, XP002735845 *

Also Published As

Publication number Publication date
KR20120103654A (ko) 2012-09-19
WO2011090359A2 (ko) 2011-07-28
KR101367811B1 (ko) 2014-02-27

Similar Documents

Publication Publication Date Title
WO2011027989A3 (en) Method and apparatus for compressing and decompressing block unit data
GB2445008B (en) Image compression and/or decompression
WO2013106710A3 (en) Determining contexts for coding transform coefficient data in video coding
EP3941051A3 (en) Method and apparatus for encoding video, and decoding method and apparatus
WO2012044076A3 (ko) 비디오의 부호화 방법 및 장치, 복호화 방법 및 장치
EP2472869A3 (en) video transcoding in a system-on-chip
GB2457646B (en) Method and apparatus for compressing and decompressing data
GB2469416A (en) Data compression method for use in downhole applications
EP4351141A3 (en) Adaptive image decoding method
EP2479952A4 (en) METHOD FOR COMPRESSION AND DECOMPRESSION OF TIME STAMP AND ASSOCIATED EQUIPMENT
MY185753A (en) Coding apparatus and decoding apparatus with bandwidth extension
WO2012053015A3 (en) Compression and decompression of data at high speed in solid state storage
GB2469955B (en) Data compression/decompression method,and compression/decompression program
IN2013MU02340A (ko)
WO2012003329A3 (en) Systems and methods for compressing data and controlling data compression in borehole communication
AR053164A1 (es) Codificacion mejorada de datos de multimedia
WO2010117432A3 (en) A framework for quality-aware video optimization
IN2013MU02341A (ko)
WO2008061940A3 (en) Signal message decompressor
EP3490153A4 (en) DATA COMPRESSION ENCODING METHOD, DECODING METHOD, ASSOCIATED DEVICE AND ASSOCIATED PROGRAM
GB0711840D0 (en) Method and apparatus for compressing and decompressing data
GB2422753B (en) Method and apparatus for compressing and decompressing data, and computer product
GB2451758B (en) Method and computer program product for compressing and decompressing imagery data
EP3041157A8 (en) Physical layer coding/decoding method and apparatus thereof
EP2304689A4 (en) Compressed domain system and method for compression gains in encoded data

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11734908

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 20127015998

Country of ref document: KR

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11734908

Country of ref document: EP

Kind code of ref document: A2