Abstract

A very thin image capturing system called TOMBO (thin observation module by bound optics) is developed with compound-eye imaging and digital post-processing. As an application of TOMBO, a multispectral imaging system is proposed. With a specific arrangement of the optical system, spatial points can be observed by multiple photodetectors simultaneously. A filter array inserted in front of the image sensor enables observation of the spectrum of the target. The captured image is reconstructed by a modified pixel rearranging method extended to treat multi-channel spectral data, in which pixels in the captured image are geometrically rearranged onto a multi-channel virtual image plane. Experimental results of the image reconstruction show the effectiveness of the proposed system.

© 2004 Optical Society of America

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Appl. Opt. (1)

CVGIP: Graphical Models and Image Proc. (1)

M. Irani and S. Peleg, �??Improving resolution by image registration,�?? CVGIP: Graphical Models and Image Processing 53, 231�??239 (1991).

IEEE Trans. Sys., Man, and Cybernetics (1)

Nobuyuki Otsu, �??A Threshold Selection Method from Gray-Level Histograms,�?? IEEE Trans. Sys., Man, and Cybernetics SMC-9, No.1, 62�??66 (1979).

Opt. Express (1)

Proc. of International Symposium (1)

Masahiro Nishibori, �??The Role of Multispectral Imaging in Medicine,�?? in Proc. of International Symposium on Multispectral Imaging and Color Representation for Digital Archives (1999), pp. 114�??116.

Proc. SPIE (2)

M. Yamaguchi, T. Teraji, K. Ohsawa, T. Uchiyama, H. Motomura, Y. Murakami, and N. Ohyama, �??Color image reproduction based on the multispectral and multiprimary imaging: Experimental evaluation,�?? Color Imaging: Device-Independent Color, Color Hardcopy, and Applications VII, Proc. SPIE 4663, 15�??26 (2002).

J. Tanida, Y. Kitamura, K. Yamada, S. Miyatake, M. Miyamoto, T. Morimoto, Y. Masaki, N. Kondou, D. Miyazaki and Y. Ichioka, �??Compact image capturing system based on compound imaging and digital reconstruction,�?? Micro- and Nano-optics for Optical Interconnection and Information Processing, Proc. SPIE 4455, 34�??41 (2001).

Other (1)

W. Ford and M.S. Baum, Secure Electronic Commerce: Building the Infrastructure for Digital Signatures and Encryption (Prentice Hall Inc., Upper Saddle River, NJ, 2001).

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