WO2008114447A1 - ホログラム再生像位置検出方法およびホログラム装置 - Google Patents
ホログラム再生像位置検出方法およびホログラム装置 Download PDFInfo
- Publication number
- WO2008114447A1 WO2008114447A1 PCT/JP2007/055759 JP2007055759W WO2008114447A1 WO 2008114447 A1 WO2008114447 A1 WO 2008114447A1 JP 2007055759 W JP2007055759 W JP 2007055759W WO 2008114447 A1 WO2008114447 A1 WO 2008114447A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- image
- hologram
- data page
- reproduced image
- position detecting
- Prior art date
Links
- 239000003550 marker Substances 0.000 abstract 3
Classifications
-
- 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
- G11B7/005—Reproducing
-
- 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
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/13—Optical detectors therefor
- G11B7/131—Arrangement of detectors in a multiple array
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
- G03H1/2249—Holobject properties
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2210/00—Object characteristics
- G03H2210/20—2D object
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Holo Graphy (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
空間光変調器に表示されたマーカおよびデータ領域を含むデータページを記録した記録媒体から再生された光を、空間光変調器よりも画素数が多い像センサに結像してデータページの再生像を得てデータページを再生するホログラム装置におけるホログラム再生像位置検出方法であって、マーカを補間拡大したテンプレート画像を予め記憶するステップと、像センサでデータページの再生像をオーバーサンプリングして検出画像を取得するステップと、検出画像とテンプレート画像を用いてテンプレートマッチング処理を行って記録時のマーカの位置を検出するステップと、を含む。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009505046A JP4812873B2 (ja) | 2007-03-20 | 2007-03-20 | ホログラム再生像位置検出方法およびホログラム装置 |
US12/531,787 US20100103491A1 (en) | 2007-03-20 | 2007-03-20 | Method for detecting position of reproduced hologram image and hologram apparatus |
PCT/JP2007/055759 WO2008114447A1 (ja) | 2007-03-20 | 2007-03-20 | ホログラム再生像位置検出方法およびホログラム装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/055759 WO2008114447A1 (ja) | 2007-03-20 | 2007-03-20 | ホログラム再生像位置検出方法およびホログラム装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008114447A1 true WO2008114447A1 (ja) | 2008-09-25 |
Family
ID=39765568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/055759 WO2008114447A1 (ja) | 2007-03-20 | 2007-03-20 | ホログラム再生像位置検出方法およびホログラム装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20100103491A1 (ja) |
JP (1) | JP4812873B2 (ja) |
WO (1) | WO2008114447A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013080195A (ja) * | 2011-09-30 | 2013-05-02 | Jiaotong Univ | ホログラフィックデータストレージに用いる画像位置決め方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2451436B (en) * | 2007-07-27 | 2012-09-19 | Hewlett Packard Development Co | An encoder and decoder and methods of encoding and decoding sequence information |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005227704A (ja) * | 2004-02-16 | 2005-08-25 | Pioneer Electronic Corp | ホログラム記録装置 |
JP2007508651A (ja) * | 2003-10-08 | 2007-04-05 | アプリリス,インコーポレイテッド | 位相変調均質化フーリエ変換ホログラフィック・データ記録および再生の方法および装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7050635B2 (en) * | 2001-03-30 | 2006-05-23 | The University Of Connecticut | Multi-dimensional pattern recognition by use of digital holography |
US7848595B2 (en) * | 2004-06-28 | 2010-12-07 | Inphase Technologies, Inc. | Processing data pixels in a holographic data storage system |
-
2007
- 2007-03-20 US US12/531,787 patent/US20100103491A1/en not_active Abandoned
- 2007-03-20 JP JP2009505046A patent/JP4812873B2/ja not_active Expired - Fee Related
- 2007-03-20 WO PCT/JP2007/055759 patent/WO2008114447A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007508651A (ja) * | 2003-10-08 | 2007-04-05 | アプリリス,インコーポレイテッド | 位相変調均質化フーリエ変換ホログラフィック・データ記録および再生の方法および装置 |
JP2005227704A (ja) * | 2004-02-16 | 2005-08-25 | Pioneer Electronic Corp | ホログラム記録装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013080195A (ja) * | 2011-09-30 | 2013-05-02 | Jiaotong Univ | ホログラフィックデータストレージに用いる画像位置決め方法 |
US8811716B2 (en) | 2011-09-30 | 2014-08-19 | National Chiao Tung University | Method to determine fiducial point for holographic data storage |
Also Published As
Publication number | Publication date |
---|---|
JPWO2008114447A1 (ja) | 2010-07-01 |
JP4812873B2 (ja) | 2011-11-09 |
US20100103491A1 (en) | 2010-04-29 |
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