gray level transformation

例句：

1. 1. The image wastransformed into a grayscale version for betterviewing.
   该图像被转换为灰度版本以便更好的查看。
2. 2. During the grayscale transformation process, the color information is lost.
   在灰度级转换过程中，颜色信息丢失。
3. 3. Thegrayscale transformation technique is widely used indigital imaging and printing.
   灰度级转换技术广泛应用于数字成像和印刷领域。