Abstract
Three noise reduction programs based on Color Filter Array (CFA) image from Complementary Metal-Oxide-Semiconductor (CMOS) image sensor system are proposed. Imaging performance from different order of interpolation and noise reduction is researched. The relevant models are established and three interpolation methods and four noise reduction methods are selected in the paper. The results show that under different imaging sequence, whether from objective evaluation or from the subjective point of view, Linear Filtering noise reduction is the worst, noise reduction on Least Squares Method is optimal. The conclusions have references to digital camera imaging.
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