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A VLSI Implementation of Barrel Distortion Correction for Wide-Angle Camera Images

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4 Author(s)
Pei-Yin Chen ; Dept. of Comput. Sci. & Inf. Eng., Nat. Cheng Kung Univ., Tainan ; Chien-Chuan Huang ; Yeu-Horng Shiau ; Yao-Tung Chen

Wide-angle cameras are widely used in surveillance and medical imaging applications nowadays. Images captured by wide-angle lens suffer from barrel distortion which means that the outer regions of the image are compressed more than the inner one. A low-cost high-speed VLSI implementation for barrel distortion correction is presented in this brief. In our simulation, the proposed circuit can achieve 200 MHz with 45 K gate counts by using TSMC 0.18 mum technology. Compared with the previous distortion correction design, our circuit requires less hardware cost and achieves faster working speed.

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Circuits and Systems II: Express Briefs, IEEE Transactions on  (Volume:56 ,  Issue: 1 )