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词汇 Colour balance
分类 英语词汇 英语翻译词典
释义

Colour balance

中文百科

色彩平衡 Color balance

(重定向自Colour balance)

在图形学中,色彩平衡是表示图像中颜色的动态范围的术语。在通常的美术作品中,画家可以选择彩色调色板来表达作品的感情。在图像处理领域,色彩平衡经常表示通过改变图像的颜色值从而能够在特定的显示或者打印设备上得到正确的颜色。

另外一个相关的图像处理过程是色彩映射,也就是将图像中每个像素的颜色值映射成旧的计算机显示器以及图像存储格式所用的 8 位 256 种颜色的格式。尽管人类的视觉系统能够分辨比照相机或者照片更多的颜色,但是图像中的细节部分仍然可以用调色板的色彩平衡来模拟。 一些方法使用直方图均衡化来实现色彩平衡。

英语百科

Color balance 色彩平衡

(重定向自Colour balance)
The left half shows the photo as it came from the digital camera. The right half shows the photo adjusted to make a gray surface neutral in the same light.
A showcase of the effects of color balancing.
A seascape photograph at Clifton Beach, South Arm, Tasmania, Australia. The white balance has been adjusted towards the warm side for creative effect.
Photograph of a ColorChecker as a reference shot for color balance adjustments.

In photography and image processing, color balance is the global adjustment of the intensities of the colors (typically red, green, and blue primary colors). An important goal of this adjustment is to render specific colors – particularly neutral colors – correctly. Hence, the general method is sometimes called gray balance, neutral balance, or white balance. Color balance changes the overall mixture of colors in an image and is used for color correction. Generalized versions of color balance are used to correct colors other than neutrals or to deliberately change them for effect.

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