Implementation of Image Enhancement Algorithm for Embedded System 


Vol. 16,  No. 6, pp. 473-480, Dec.  2009
10.3745/KIPSTA.2009.16.6.473


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  Abstract

This paper is to enhance a color image running in the PXA255 ARM processor based on embedded linux environments. Retinex is one of the representative algorithm for image enhancement in the previous research. However, retinex is not suitable the run on the embedded system because of its long processing time. So, we proposed the image enhancement algorithm for embedded system, with less quantity of operation and the effect equivalent to retinex. To achieve this goal, we propose and implement the image enhancement algorithm, which utilizes the image formation model and gamma correction to be effective in a back-light and dark image. The proposed algorithm converts the color space from RGB to HSV, and then V and S channels are processed. In order to optimize the proposed method in the PXA255 ARM processor, quantity of calculation is reduced. The performance of the proposed algorithm was evaluated through qualitative method and quantitative method. The results show that brightness and contrast are improved with less quantity of operation.

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[IEEE Style]

J. Y. An and S. B. Rhee, "Implementation of Image Enhancement Algorithm for Embedded System," The KIPS Transactions:PartA, vol. 16, no. 6, pp. 473-480, 2009. DOI: 10.3745/KIPSTA.2009.16.6.473.

[ACM Style]

Jeong Yeon An and Sang Burm Rhee. 2009. Implementation of Image Enhancement Algorithm for Embedded System. The KIPS Transactions:PartA, 16, 6, (2009), 473-480. DOI: 10.3745/KIPSTA.2009.16.6.473.

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