In computer grading system for beef, the segmentation of rib-eye image of beef carcass and the abstraction of marbling are the objects of inspection for beef carcass grading based on computer vision.

• 摘要在牛肉的计算机自动分级系统中，牛胴体眼肌图像的分割、大理石花纹的提取是利用计算机视觉评定牛肉等级的最基本及重要步骤。