By using knife edge as object,and CMOS sensor as device for image analyzing,we get edge spread function from the image and use differential operation and FFT to obtain modulation transfer function of the lens,then its image quality is known.
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- 以刀口作为目标物,以CMOS作为图像分析器件,从图像中获取刀口函数,经微分和FFT运算,得到成像镜头的MTF(调制传递函数),从而得知其成像品质。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries