By using this method, mixed noise of ct image can be denoised and contourinformation of vertebra of ct image can be protected very well.
该方法在去除CT图像中混合噪声的同时能很好的保护图像的轮廓信息。
2
It calculates the gradient information of an input image as the reference image, which reduces the most inner details of the reference image but emphases its contourinformation.
计算输入图像的梯度值,减少了图像的内在信息而使轮廓更为清晰。
3
The directional chain code is used to record the contourinformation data according to the trend of the contour, and this will be very convenient for the smoothing process later on.