FPGA Implementation of Log-polar Mapping


Wong, Wai Kit and Choo, Chee Wee and Loo, Chu Kiong and Teh, Joo Peng (2008) FPGA Implementation of Log-polar Mapping. In: 15th International Conference on Mechatronics and Machine Vision in Practice, 02-04 DEC 2008, Auckland, NEW ZEALAND.

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Log-polar or spatially-variant image representation is an important component of active vision system in tracking process for many robotic applications due to its data compression ability, faster sampling rates and hence, direct to faster image processing speed in machine vision system. In this paper, we try to implement log-polar mapping techniques on Xilinx FPGA (Field Programmable Gate Array) board for unwarping the omnidirectional images into panoramic images to present a wide angle of view by preserving fine output image quality in a higher data compression manner. Simulations are also run on MATLAB to find out the optimum mapping criterion. Some significant advantages of this new approach are: lighter processing system, lesser space utilization, cost saving, faster processing speed and faster reset time (boot time) compared to a laptop computer that uses MATLAB for doing the unwarping process.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > T Technology (General)
Q Science > QA Mathematics > QA71-90 Instruments and machines > QA75.5-76.95 Electronic computers. Computer science
Divisions: Faculty of Engineering and Technology (FET)
Depositing User: Ms Suzilawati Abu Samah
Date Deposited: 21 Sep 2011 07:37
Last Modified: 21 Sep 2011 07:37
URII: http://shdl.mmu.edu.my/id/eprint/2852


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