Scale-invariant pattern recognition system based on volume holographic wavelet correlator

Qingzeng Xue; Yingbai Yan; Qingsheng He

doi:10.1117/12.441545

20 September 2001 Scale-invariant pattern recognition system based on volume holographic wavelet correlator

Qingzeng Xue, Yingbai Yan, Qingsheng He

Proceedings Volume 4552, Image Matching and Analysis; (2001) https://doi.org/10.1117/12.441545
Event: Multispectral Image Processing and Pattern Recognition, 2001, Wuhan, China

Abstract

In this paper, based on the volume holographic storage in a photorefractive crystal, a new scale-invariant pattern recognition system, with the wavelet transform, has been set up. The wavelet filter can increase the discrimination capability of the correlator. However the wavelet-filtered image is edge-enhanced, the phase-only logarithmic radial harmonic (LRH) filter is not suitable for such image when regarding the scale invariance. The LRH filter is modified to achieve scale invariant pattern recognition. Simulation result validates the theory.

Citation Download Citation

Qingzeng Xue, Yingbai Yan, and Qingsheng He "Scale-invariant pattern recognition system based on volume holographic wavelet correlator", Proc. SPIE 4552, Image Matching and Analysis, (20 September 2001); https://doi.org/10.1117/12.441545

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