UCR is conducive to the reproduction of density and saturation, but likely to lose contrast and gray balance of image.
UCR有利于色彩密度和色度的良好再现，但会损失图像的反差和灰平衡效应。
Image quality elements of tonal level, sharpness, color and gray balance were evaluated subjectively and grading results were also counted and analyzed.
对图像的阶调层次、清晰度、色彩、灰平衡等进行了主观评价，统计并分析了评价结果。
MFC to achieve a variety of gray-scale image point operations, such as anti-color images, the window transform, linear transformation, threshold transform, gray balance, etc.
说明：MF C实现灰度图像的各种点运算，如图像反色，窗口变换，线性变换，阈值变换，灰度均衡等。
G7 process is the main method of a new printing technology to control gray balance. Its purpose is to help in the CTP and ultimately to effect of the same appearance in the commercial offset.
G7工艺就是以控制灰平衡为主的一种新的印刷工艺方法，其目的就是要在CTP的协助下，最终实现商业胶印的同貌效果。
However, the human eye is very sensitive to the neutral gray and a little color slanting can be aware. Therefore, neutral gray balance is often as an important means of controlling color stability.
然而人眼对中性灰色十分敏感，稍有偏差就会察觉，所以中性灰平衡常常被作为控制色彩稳定性的重要手段。
'There is a real sense of wonder,' says Gray, 'when I balance two rocks in such a way that it gives the impression that it's impossible for them to stay in place.
“确实有种神奇的感觉。”格雷说，“当我以这种方式使两块石头保持平衡时，留下了这样的印象：它们不可能留在那里。”
Imagine trying to balance a chest of drawers on just one of its legs, on top of a boulder, and you get an idea of what Gray gets up to.
想像自己尝试仅仅依靠衣柜的一个腿把它平稳地放到一个大圆石上，你就知道格雷达到了什么境界。
The proposed method can not only balance the global gray-level dynamic range, but also enhance the local details.
改进后的方法既能提高全局对比度，又能有效放大局部细节。
The proposed method can not only balance the global gray-level dynamic range, but also enhance the local details.
改进后的方法既能提高全局对比度，又能有效放大局部细节。
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