在8位通道的灰度图像中最多可以包含几种颜色信息

2025-03-16 11:09:09
推荐回答(3个)
回答1:

1、灰度数字图像就是每个像素只有一个采样颜色的图像,这类图像通常显示为从最暗黑色到最亮的白色的灰度,尽管理论上这个采样可以任何颜色的不同深浅,甚至可以是不同亮度上的不同颜色

2、灰度图像与黑白图像不同,在计算机图像领域中黑白图像只有黑白两种颜色,灰度图像在黑色与白色之间还有许多级的颜色深度,一幅完整的图像,是由红色、绿色、蓝色三个通道组成的,红色、绿色、蓝色三个通道的缩览图都是以灰度显示的,用不同的灰度色阶来表示“ 红,绿,蓝”在图像中的比重,通道中的纯白,代表了该色光在此处为最高亮度,亮度级别是255;

3、通道是整个Photoshop显示图像的基础,色彩的变动,实际上就是间接在对通道灰度图进行调整,通道是Photoshop处理图像的核心部分,所有的色彩调整工具都是围绕在这个核心周围使用的,在8位通道的灰度图像,即2^8=256,一般表示256个等级的灰度图像,即(00,00,00)(01,01,01).........到(FF,FF,FF)。

回答2:

256种颜色

回答3:

256吧

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