1.　　应用自适应中值滤波对图像进行去噪。

2.　　根据直方图选择门限值。

3.　　对图像中白色的部分应用区域生长法进行分割。

4.　　对去噪的后的图像进行求反，然后对方形和三角形应用区域生长法分割。

-1. Application of adaptive median filter for image denoising. 2. According to the histogram selection threshold. 3. For the image in the white part of the application of region growing segmentation method. 4. For the post-image denoising is evaluated against, and then application of square and triangle region growing segmentation.