Variable parameter log-polar transformation and analysis of its calculation quantity

Dawei Zhao; Jiankui Zhao; Fang Zi; Baozhong Yan

doi:10.1117/12.657535

4 January 2006 Variable parameter log-polar transformation and analysis of its calculation quantity

Dawei Zhao, Jiankui Zhao, Fang Zi, Baozhong Yan

Proceedings Volume 5985, International Conference on Space Information Technology; 59852B (2006) https://doi.org/10.1117/12.657535
Event: International Conference on Space information Technology, 2005, Wuhan, China

Abstract

Based on the classical log-polar transformation (LPT), the variable parameter log-polar transformation (VPLPT) is proposed. In the new algorithm, the size of uniform sampling central area is freely adjustable according to different vision task and its high resolution is reserved. The peripheral area is processed with log-polar transformation, which base can be adjusted. The calculation quantity of the two algorithms is analyzed respectively and compared with each other. The result shows the new algorithm's rapidity.

Citation Download Citation

Dawei Zhao, Jiankui Zhao, Fang Zi, and Baozhong Yan "Variable parameter log-polar transformation and analysis of its calculation quantity", Proc. SPIE 5985, International Conference on Space Information Technology, 59852B (4 January 2006); https://doi.org/10.1117/12.657535

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