Orthogonal wave-front coding for range information extraction from a single image

Jing-ran Kang; Hai-qing Chen; Zuo-jun Tan

doi:10.1117/12.834165

4 August 2009 Orthogonal wave-front coding for range information extraction from a single image

Jing-ran Kang, Hai-qing Chen, Zuo-jun Tan

Proceedings Volume 7383, International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications; 73830J (2009) https://doi.org/10.1117/12.834165
Event: International Symposium on Photoelectronic Detection and Imaging 2009, 2009, Beijing, China

Abstract

The theory of orthogonal wave-front coding for range information extraction from a single image in a passive way is introduced. A cosine rectangular separable optical mask was chose in the system. The expression of the diffractionlimited system's OTF for the value of defocus was deduced by method of the Ambiguity Function. The system's accuracy was analyzed using the Fisher information matrix and an evaluation of the Cramer-Rao bound. Simulation experiment results show the orthogonal method was feasible. An experimental system was also built, and results are given.

Citation Download Citation

Jing-ran Kang, Hai-qing Chen, and Zuo-jun Tan "Orthogonal wave-front coding for range information extraction from a single image", Proc. SPIE 7383, International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications, 73830J (4 August 2009); https://doi.org/10.1117/12.834165

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KEYWORDS

Image compression

Optical transfer functions

Imaging systems

Charge-coupled devices

Ranging

Spatial frequencies

Convolution

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