14 February 2005 Study on sub-pixel measurement accuracy of CMOS imager
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Abstract
There are two main image sensors that are now being widely used in image capture system: CCD and CMOS imager. The fill-factor of CMOS imager is lower than that of CCD, so it is of great importance to consider the influence of the fill-factor on sub-pixel measurement accuracy. the main purpose of this paper is to give a discussion of sub-pixel measurement accuracy of CMOS imager based on a digital camera which is designed and manufactured by ourselves. Conclusion is presented at the end of this paper, that the sub-pixel measurement accuracy of CMOS imager OV7620 can be 1/6 pixel.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Zhi Liu, Zhi Liu, } "Study on sub-pixel measurement accuracy of CMOS imager", Proc. SPIE 5634, Advanced Sensor Systems and Applications II, (14 February 2005); doi: 10.1117/12.574292; https://doi.org/10.1117/12.574292
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