| Budget Amount *help |
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2010: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2009: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2008: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
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| Research Abstract |
We have proposed a two-dimensional mathematical model (digital eye) of the auto-focusing accommodation mechanism in human vision and applied the model to theoretical derivation of the optimal display condition for document images. The proposed model is formulated based on the idea that the accommodation-error characteristic, i.e., blur characteristic for the retinal image, plays an important role in human vision's image processing. The optimal display condition represents the optimal relationship between lines and their spacing and the optimal relationship between characters and their gap in document images and is indispensable for making documents easy to read. Consequently, the following two results were obtained. (1) The optimal display condition for document images could be theoretically derived from the proposed model's response to document images. (2) The theoretically derived optimal display condition was almost the same as the experimentally derived one. The above results suggest that the proposed model can be a basis for performing vision-based optimal design of imaging systems.
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