Evaluating method for image
专利汇可以提供Evaluating method for image专利检索，专利查询，专利分析的服务。并且PURPOSE:To determine the response of square wave gratings easily without requiring test charts for square waves, etc. by irradiating a diffusion surface light source to an edge, inputting the image thereof to an optical system to be measured, measuring the inclination of the response thereof and operating the same. CONSTITUTION:A diffusion surface light source 15 is irradiated to a knife edge 16 to make an edge image. This image is inputted to an optical system 17 to be measured, and the output image thereof is scanned at a right angle to the edge direction by a one-dimensioal scanning system 18, whereby an edge response curve is determined. The inclination of the rising straight line thereof is determined and an analog output is obtained. After this output is digitized with an A/D converter 19, it is operated with a computer 20 to determine the optical transmission function of the system 17. In accordance with this, the response of a square wave grating is determined and the figure is outputted to an X-Y plotter 21. Therefore, the image is easily evaluated simply by measuring the inclination of the edge response without using test charts for square waves and sine waves.，下面是Evaluating method for image专利的具体信息内容。
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