With regard to its, the paper proposes using the equivalent width of line spread function (EQW) as an image quality evaluating stan dard) the tests indicate that there is certainly similarity between 1/EQW and the resolution of the photograph.

 
  • 在MTF应用方面,提出了以线扩散函数的等效宽度(EQW)作为像质评定的一个标准。 试验表明,1/EQW与底片的目视分解力有着一定的近似关系。
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