High-Speed Data Position Detection Method Using Template Matching for Hologram Memory

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概要

• 論文の詳細を見る

• Two-dimensional digital image reproduction in a hologram memory causes incorrect decoding due to image distortion. In order to correct image distortion, the position coordinates of the four corners of the reproduced image are detected by template matching. However, much position detection processing time is required in this signal processing method. In this study, after having used both parallel processing that combines the marker-dividing approach and marker detection image-dividing approach in the hardware detecting process, and the redundant calculation elimination method and brightness totaling method in the software detection process, it is clarified that an increase in the speed of 260-fold could be obtained as compared with the conventional template matching process.

• 2004-07-15

著者

• MOTOYAMA Tomoyuki

  Graduate School of Industrial Science and Technology, Tokyo University of Science

• Ooue Naoya

  Graduate School Of Industrial Science And Technology Tokyo University Of Science

• Tanabe Takaya

  Ntt Cyber Space Laboratories

• Yamamoto Manabu

  Graduate School Of Information Science And Technology Hokkaido University

• Sugiyama Yuichi

  Graduate School Of Pharmaceutical Sciences The Univ. Of Tokyo

• Endo Masahiro

  NTT Cyber Space Laboratories, NTT Corporation, 3-9-11, Midori-cho, Musashino-shi, Tokyo 180-8585, Japan

• Endo Masahiro

  NTT Cyber Space Laboratories, Nippon Telegraph and Telephone Corp., 3-9-11 Midoricho, Musashino, Tokyo 180-8585, Japan

• Tanabe Takaya

  NTT Cyber Space Laboratories, NTT Corporation, 3-9-11, Midori-cho, Musashino-shi, Tokyo 180-8585, Japan

• Yamamoto Manabu

  Graduate School of Industrial Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda-shi, Chiba 278-8510, Japan

• Motoyama Tomoyuki

  Graduate School of Industrial Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda-shi, Chiba 278-8510, Japan

• Yamamoto Manabu

  Graduate School of Engineering, Hokkaido University

• Ooue Naoya

  Graduate School of Industrial Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda-shi, Chiba 278-8510, Japan

• Sugiyama Yuichi

  Graduate School of Industrial Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda-shi, Chiba 278-8510, Japan

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