stepwise seal
英 [ˈstepwaɪz siːl]
美 [ˈstepwaɪz siːl]
【化】台阶式密封
双语例句
- To improve the efficiency, this paper proposes an approach to stepwise erasing various background noises on bills and automatic extracting seal image information by making use of two-dimensional projection, differences of primary colors, and gray levels.
为了提高工作效率，提出综合采用彩色模型中基色间差值、二维投影方法以及灰度特征逐步去除票据中的复杂背景，自动提取出印章图像。