DE602006010657D1 - Detektionsverfahren für Holographisches DVD mittels diskriminierung und korrektur von falschen ueberabgetastetenen Pixels mittels dessen räumlischen Lichtverteilung. - Google Patents

Detektionsverfahren für Holographisches DVD mittels diskriminierung und korrektur von falschen ueberabgetastetenen Pixels mittels dessen räumlischen Lichtverteilung.

Info

Publication number
DE602006010657D1
DE602006010657D1 DE602006010657T DE602006010657T DE602006010657D1 DE 602006010657 D1 DE602006010657 D1 DE 602006010657D1 DE 602006010657 T DE602006010657 T DE 602006010657T DE 602006010657 T DE602006010657 T DE 602006010657T DE 602006010657 D1 DE602006010657 D1 DE 602006010657D1
Authority
DE
Germany
Prior art keywords
balanced
detection pixels
detected image
holographic
discrimination
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
DE602006010657T
Other languages
English (en)
Inventor
Pil-Sang Yoon
Hak-Sun Kim
Eui-Seok Hwang
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.)
WiniaDaewoo Co Ltd
Original Assignee
Daewoo Electronics 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 Daewoo Electronics Co Ltd filed Critical Daewoo Electronics Co Ltd
Publication of DE602006010657D1 publication Critical patent/DE602006010657D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/04—Conversion to or from representation by pulses the pulses having two levels
    • H03M5/14—Code representation, e.g. transition, for a given bit cell depending on the information in one or more adjacent bit cells, e.g. delay modulation code, double density code
    • H03M5/145—Conversion to or from block codes or representations thereof
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/89—Television signal recording using holographic recording
    • H04N5/90—Television signal recording using holographic recording on discs or drums
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2504—Holographic discs; Holographic digital data storage [HDDS]
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. holograms

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Holo Graphy (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
DE602006010657T 2006-03-03 2006-07-18 Detektionsverfahren für Holographisches DVD mittels diskriminierung und korrektur von falschen ueberabgetastetenen Pixels mittels dessen räumlischen Lichtverteilung. Active DE602006010657D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020060020465A KR100728818B1 (ko) 2006-03-03 2006-03-03 광 정보 검출 방법, 광 정보 검출기 및 데이터 샘플링 방법

Publications (1)

Publication Number Publication Date
DE602006010657D1 true DE602006010657D1 (de) 2010-01-07

Family

ID=38124013

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006010657T Active DE602006010657D1 (de) 2006-03-03 2006-07-18 Detektionsverfahren für Holographisches DVD mittels diskriminierung und korrektur von falschen ueberabgetastetenen Pixels mittels dessen räumlischen Lichtverteilung.

Country Status (8)

Country Link
US (1) US7970209B2 (de)
EP (1) EP1830358B1 (de)
JP (1) JP4837469B2 (de)
KR (1) KR100728818B1 (de)
CN (1) CN100492501C (de)
AT (1) ATE450037T1 (de)
DE (1) DE602006010657D1 (de)
TW (1) TWI336077B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100676870B1 (ko) * 2005-12-22 2007-02-02 주식회사 대우일렉트로닉스 광 정보 검출 방법 및 광 정보 검출기
EP2063423A1 (de) * 2007-11-15 2009-05-27 Deutsche Thomson OHG Verschiebungs-unempfindliche Speicherung von Informationen auf seitenorientierten optischen Datenspeichersystemen
JP6361111B2 (ja) * 2013-10-31 2018-07-25 株式会社Ｊｖｃケンウッド 画像処理装置、画像処理方法および投射装置
US9946931B2 (en) 2015-04-20 2018-04-17 Los Alamos National Security, Llc Change detection and change monitoring of natural and man-made features in multispectral and hyperspectral satellite imagery
US9684951B2 (en) * 2014-03-31 2017-06-20 Los Alamos National Security, Llc Efficient convolutional sparse coding
US9858502B2 (en) 2014-03-31 2018-01-02 Los Alamos National Security, Llc Classification of multispectral or hyperspectral satellite imagery using clustering of sparse approximations on sparse representations in learned dictionaries obtained using efficient convolutional sparse coding

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4326219A (en) * 1980-04-11 1982-04-20 Ampex Corporation Digital error measuring circuit for shading and registration errors in television cameras
US5694488A (en) * 1993-12-23 1997-12-02 Tamarack Storage Devices Method and apparatus for processing of reconstructed holographic images of digital data patterns
US5511058A (en) * 1993-12-23 1996-04-23 Tamarack Storage Devices Distortion correction of a reconstructed holographic data image
US5838650A (en) 1996-06-26 1998-11-17 Lucent Technologies Inc. Image quality compensation method and apparatus for holographic data storage system
US6016330A (en) * 1996-10-18 2000-01-18 International Business Machines Corporation Encoding and detection of balanced codes
US6005693A (en) * 1997-05-16 1999-12-21 International Business Machines Corporation Method for holographic storage
US6665454B1 (en) * 1997-07-15 2003-12-16 Silverbrook Research Pty Ltd Dot adjacency compensation in optical storage systems using ink dots
JP2002314433A (ja) * 2001-04-04 2002-10-25 Daewoo Electronics Co Ltd 誤り訂正可能なチャンネルコーディング方法
KR100448282B1 (ko) * 2001-08-30 2004-09-10 주식회사 대우일렉트로닉스 가중치 블록을 이용한 균형 부호화 및 복호화 방법
WO2003059789A2 (en) * 2002-01-14 2003-07-24 Carnegie Mellon University Conveyor belt inspection system and method
TWI248073B (en) 2002-01-17 2006-01-21 Media Tek Inc Device and method for displaying static pictures
US7738736B2 (en) * 2003-05-09 2010-06-15 Inphase Technologies, Inc. Methods and systems for holographic data recovery
JP2005005573A (ja) * 2003-06-13 2005-01-06 Fujitsu Ltd 撮像装置
KR100555914B1 (ko) 2003-11-15 2006-03-03 주식회사 대우일렉트로닉스 홀로그래픽 시스템의 데이터 추출 장치 및 방법
KR100536672B1 (ko) * 2003-12-15 2005-12-14 주식회사 대우일렉트로닉스 홀로그래픽 저장장치에서의 크기 및 회전 보정을 위한오버 샘플링 방법
JP2005252625A (ja) * 2004-03-03 2005-09-15 Canon Inc 撮像装置および画像処理方法
KR100578181B1 (ko) 2004-03-08 2006-05-11 주식회사 대우일렉트로닉스 홀로그래픽 디지털 데이터 저장 시스템의 오버 샘플링 방법
KR100578182B1 (ko) * 2004-04-12 2006-05-11 주식회사 대우일렉트로닉스 홀로그래픽 시스템에서의 재생 홀로그램 데이터 전처리장치 및 그 방법
KR100555920B1 (ko) * 2004-06-04 2006-03-03 주식회사 대우일렉트로닉스 Ｈｄｄｓ 시스템에서 재생 시 디스토션 이미지 오버샘플링방법
US7656564B2 (en) * 2004-06-24 2010-02-02 Daewoo Electronics Corporation Apparatus and method for compensating for pixel distortion in reproduction of hologram data
US7848595B2 (en) * 2004-06-28 2010-12-07 Inphase Technologies, Inc. Processing data pixels in a holographic data storage system
KR100676870B1 (ko) 2005-12-22 2007-02-02 주식회사 대우일렉트로닉스 광 정보 검출 방법 및 광 정보 검출기

Also Published As

Publication number Publication date
US20070206485A1 (en) 2007-09-06
EP1830358A2 (de) 2007-09-05
US7970209B2 (en) 2011-06-28
EP1830358B1 (de) 2009-11-25
EP1830358A3 (de) 2007-09-12
JP4837469B2 (ja) 2011-12-14
CN101030392A (zh) 2007-09-05
KR100728818B1 (ko) 2007-06-19
TW200735072A (en) 2007-09-16
TWI336077B (en) 2011-01-11
ATE450037T1 (de) 2009-12-15
JP2007241229A (ja) 2007-09-20
CN100492501C (zh) 2009-05-27

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