赋予版面一种均衡而又有韵律的视觉效果，以鲜明夺目、阅读通顺、记忆迅速作为排版的基本要求。

Thus giving the layout a balanced and metrical visual effect, and fulfilling the basic requirements for brilliance, fast reading and easy remembering.

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直方图均衡化(HE)是一种最常用的图像对比度增强技术，它能够在很大程度上增强图像的视觉效果，帮助人们识别图像中隐藏的信息。

Histogram Equalization (he) as an image contrast enhancement technique is widely used. By improving the visual effect of images considerably, it assists the viewer in discovering hidden messages.

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