由于彩色图像所包含的信息比灰度图像丰富得多，因此，很多传统的基于灰度图像的应用现在逐步地被彩色图像所代替。
Color image contains much more information than grey image, so many traditional applications based on grey image were replaced by those based on colorful images.
实验结果表明，利用质心法测定的蛋白分子量比最大灰度法测定的更接近于标准分子量。
The experimental results show the centroid method has an advantage over the maximum gray level method.
提出了一种基于彩色分割的虹膜检测方法，对于一幅经过准确定位的眼睛窗口图像，它的彩色信息比灰度信息更有助于进行虹膜检测。
This paper proposes an iris detection method based on color segmentation. To a localized eye image, color images contain more information helpful for detecting irises than intensity images.
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