只要信号低于HVS的对比度门限（contrast sensitivity threshold），HVS就无法感觉到信号的存在。我们主要利用了HVS的三个特性：人眼对不同灰度具有不同的敏感性，通常对中等灰度最为敏感，向低灰...
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As filter Banks are used to simulate the contrast sensitivity function (CSF) in these models, the complexity of visual threshold obtainment and real-time (assessment) algorithms are increased.
由于这些模型采用滤波器组模拟对比度敏感函数(CSF)，增加了视觉阈值获取和实时评价算法的复杂度。
Both of the contrast vision and contrast threshold possess double function information of vision and contrast sensitivity, but a few functions of some eye diseases failed to respond in the same way.
对比视力和对比阈值都具有视力和对比敏感性的双功能信息，但在部分病眼功能的反映上不尽相同。
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