Not only does this result in dull, monotone colors, but it also decreases contrast and image sharpness.
这不仅导致了灰蒙蒙单调的色彩，同时也降低了成像的对比度和清晰度。
But besides noises, there are some other interference factors which weaken the vision effect of digital image greatly, like image contrast, image brightness and image sharpness, etc.
但是通常影响数字图像的视觉效果，除了噪声以外，还存在其它的因素，如图像对比度、图像亮度、图像清晰度等等。
Designed for the most challenging security applications, it provides high contrast, brightness, and sharpness across the entire image plane for optimal image quality.
该镜头对亮度和整个图像平面清晰度最佳的图像质量可进行高度对比，为最具挑战性的安全应用而设计。
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