点扩散函数是图像处理的核心元素，是研究图像复原，增强的基础参数，也是构建退化函数的主要部分。在此应用Matlab程序，对拥有不同影响因素的实验图像进行点扩散函数的计算、归纳、比对和总结。探究图像颜色对点扩散函数的影响因素，图像自身参数影响因素，从而为建立应用更为广泛的退化模型奠定基础，也为图像复原工作的准确性提供更准确的依据。%Point spread function is the foundation of image processing,the underlying parameter of image restoration and enhancement,and also a basis part of constructing the degenerate function. The point spread function of the experimental images with different influence factors is calculated by means of Matlab program. The influence factors of color on the point spread func⁃tion and influence factors of the image parameters were explored by data conclusion and comparison,by which a foundation for the degradation model was laid for more extensive application,and more precise basis was provided for the accuracy of image restoration.
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