VLSI Implementation of Adaptive Shading Correction System Supporting Multi-Resolution for Mobile Camera 


Vol. 31,  No. 12, pp. 1201-1207, Dec.  2006


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  Abstract

In this paper, we say the adaptive shading correction system supporting multi-resolution for mobile camera. The shading effect is caused by non-uniform illumination, non-uniform camera sensitivity, or even dirt and dust on glass (lens) surfaces. In general this shading effect is undesirable [1-3]. Eliminating it is frequently necessary for subsequent processing and especially when quantitative microscopy is the fine goal. The proposed system is available on thirty nine kinds of image resolutions scanned by interlaced and progressive type. Moreover, the system is using forty kinds of continuous quadratic equations instead of using the piece-wise linear curve which is composed of multiple line segments. Finally, the system could correct the shading effect without discontinuity in any image resolution. The proposed system is implemented in VLSI with cell library based on Hynix 0.25 ㎛ CMOS technology.

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  Cite this article

[IEEE Style]

J. Ha, S. Lee, W. Jang, H. Yang, B. Kang, "VLSI Implementation of Adaptive Shading Correction System Supporting Multi-Resolution for Mobile Camera," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 12, pp. 1201-1207, 2006. DOI: .

[ACM Style]

Jooyoung Ha, Sungmok Lee, Wonwoo Jang, Hoongee Yang, and Bongsoon Kang. 2006. VLSI Implementation of Adaptive Shading Correction System Supporting Multi-Resolution for Mobile Camera. The Journal of Korean Institute of Communications and Information Sciences, 31, 12, (2006), 1201-1207. DOI: .

[KICS Style]

Jooyoung Ha, Sungmok Lee, Wonwoo Jang, Hoongee Yang, Bongsoon Kang, "VLSI Implementation of Adaptive Shading Correction System Supporting Multi-Resolution for Mobile Camera," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 12, pp. 1201-1207, 12. 2006.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880