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Free Viewpoint, Iris and Focus Image Generation by Using a Three-Dimensional Filtering Based on Frequency Analysis of Blurs

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3 Author(s)
Kodama, K. ; Res. Organ. of Inf. & Syst., Nat. Inst. of Inf., Tokyo ; Mo, H. ; Kubota, A.

This paper describes a method of image generation based on transformation integrating certain sequences of multiple differently focused images. First, we assume that a scene is defocused by a geometrical blurring model. Then we combine spatial frequencies of the scene and the sequence with a 3-D convolution filter that expresses how the scene is defocused on the sequence. The filter can be represented with a linear combination of ray-sets through each point of the lens. Based on the relation, in the 3-D frequency domain we extract each ray-set from the filter as certain frequency components and merge them to reconstruct various filters that can generate images with different viewpoints and blurs

Published in:

Acoustics, Speech and Signal Processing, 2006. ICASSP 2006 Proceedings. 2006 IEEE International Conference on  (Volume:2 )

Date of Conference:

14-19 May 2006

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