Past integrated algorithm and implementations for the interpolation and color correction of CCD-sensed color signals

Kuo, Kuo-Tang; Chen, Sau-Gee

doi:10.1109/iscas.1998.698800

ISCAS '98. Proceedings of the 1998 IEEE International Symposium on Circuits and Systems (Cat. No.98CH36187)

DOI: 10.1109/iscas.1998.698800

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Past integrated algorithm and implementations for the interpolation and color correction of CCD-sensed color signals

Kuo-Tang Kuo

Sau-Gee Chen

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Combined image signal processing for CMOS image sensors

Kim

Park

2006 IEEE International Symposium on Circuits and Systems

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This paper presents an efficient image signal processing structure for CMOS image sensors to achieve low area and power consumption. Although CMOS image sensors (CISs) have various benefits compared with charge-coupled devices (CCDs), the images obtained from CISs have much lower quality than those from CCDs. To improve the quality of CIS images, it is required to do reproducing and enhancing processings such as color interpolation, white balancing, color correction, gamma correction and color conversion. They are implemented individually in most conventional designs though they have similar functional characteristics. In this proposed structure, the gamma correction block is moved to the front in order to combine several image signal processings into one block. An efficient compensation scheme is also proposed to reduce the errors caused by the moving of the non-linear gamma correction. A prototype CIS image signal processor is implemented in Verilog-HDL and synthesized with 0.18um standard cell library. Experimental results show that the proposed structure reduces area and power consumption by 23.8% and 31.1%, respectively.

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Combined image signal processing for CMOS image sensors

Kim

Park

2006 IEEE International Symposium on Circuits and Systems

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Past integrated algorithm and implementations for the interpolation and color correction of CCD-sensed color signals

Cited by 1 publication

References 7 publications

Combined image signal processing for CMOS image sensors

Combined image signal processing for CMOS image sensors

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