骨骼图像的增强 锐化 拉普拉斯变换 求和 幂次变换-Skeletal image enhancement sharpening powers of the Laplace transform summation transform

用matlab实现改变图像灰度值，输出依次为原图像（灰度值256），128,64,32,16,8,4,2-Reducing the Number of Gray Levels in an Image (a) Write a computer program capable of reducing the number of gray levels in an image 256 to 2, in integer（整数） powers of 2. The desired number

图像数据二维快速傅立叶变换将图像数据变成复数形式,进行两个一维快速 傅立叶变换,变换后的频谱以图像形式存入imgBufOut，此处要求图像宽和高 都为2的幂次方(Two dimensional fast Fu Liye transform of image data turns the image data into complex form, and carries out two one-dimensional fast In the Fu Liye transform, the tr

降低图像灰度级 在不能使用imadjust函数的情况下，采用利用矩阵进行像素运算的方法。(1. Reducing the Number of Gray Levels in an Image (a) Write a computer program capable of reducing the number of gray levels in an image from 256 to 2, in integer powers of 2. The desired number of gr