【判断题】【消耗次数：1】
视敏度是指视觉系统分辨最少物体的能力。（ ）
①
正确
②
错误
参考答案：
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【简答题】
人类视觉系统的一般分辨能力估计为26个灰度等级，而一般图像量化采用的是28个灰度等级，这种冗余就称为[填空1]冗余。
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