After the 8-hit grayscale images of fibers are captured by CCD camera, they are converted to the binary image only having one pixel wide edge using image technology.

• 通过CCD系统获取2类纤维的灰度图像，采用图像技术将灰度图像处理成单像素宽度的二值图，从二值图中提取描述2类纤维鳞片形状特征的4个比对指标。