Early film photographers shied away from capturing night scenes because these require prohibitively long exposures to maintain adequate depth of field, or produced unacceptable amounts of image noise.

早期胶卷相机使用者对夜间摄影避而远之，原因在于，或者是合适景深所需的长时间曝光无法达到，或者是产生太多噪点。

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The change, though it was made without noise, drew back the film from the placid look at the white ceiling, and he looked most affectionately at me.

这些变化都是在没有声息的情况下进行的，然而他凝望着白色天花板的宁静面容上的薄薄的阴影却顿时消失，充满柔情地望着我。

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The objective digital film image quality assessment based on peak signal to noise ratio, together with structural similarity and human vision system is proposed.

提出了以峰值信噪比为基础，结合结构相似度和基于人眼视觉系统的数字电影图像质量客观评价方法。

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Just as grain size in silver halide film ultimately limits the amount of detail you can see in a photograph, the background noise produced by the sensor does much the same in digital imaging.

ECONOMIST: A die-hard analog photographer goes digital