文章基本信息

标题：副尺視力に基づく画像解像度と階調の相乗効果の一検討とマルチ画面の位置合わせ用信号への適用
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作者：金澤勝 ; 浜田宏一 ; 近藤いさお等
期刊名称：映像情報メディア学会誌
印刷版ISSN：1342-6907
电子版ISSN：1881-6908
出版年度：2003
卷号：57
期号：11
页码：1491-1500
DOI：10.3169/itej.57.1491
出版社：The Institute of Image Information and Television Engineers
摘要：We studied the synergism of resolution and gray-scale levels in image recognition in relation to the precise phase detection in vernier acuity. Humans who have a 1.0 visual acuity candetect 1.0 minute-size (1/60 degree) objects. Video systems are designed based on this data. On the other hand, it has been reported that human can detect an approximately 2.0-second (2/60/60 degree) phase shifts. We found that precise position detection is possible with a low resolution detector if the number of gray-scale levels is sufficient. We applied this principle to the position adjustment on a multi-screen display system.
关键词：Vernier Acuity;Resolution;Multi-Screen;Gray Scale;Visual Acuity