In the step of exact location, the district method is adopted in view of the iris edge gradation jump characteristic to accurately to locate the iris the outside edge.
精定位阶段针对虹膜边缘灰度跳变特性采取了分区方法准确定位虹膜的外边缘。
The essential principle and the implement method of automatic tracing-edge of laser-cutting based on computer view and image pressing technology are introduced.
论述了利用计算机视觉和图像处理技术实现激光切割机自动寻边切割的基本原理和实现方法。
An image segmentation method based on edge detection and region growing is proposed in view of the features of IR image.
针对红外图像的特点，提出了一种综合应用边缘检测和区域生长方法的图像分割方法。
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