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estimate-powers-spectrum
- 根据维纳-辛钦定理，广义平稳随机过程的功率谱是自相关函数值。但对于许多实际应用问题，可资利用的观测数据往往是有限的，所以要准确计算功率谱通常是不可能的。比较合理的目标是设法得出功率谱的一个好的估计值，这就是功率谱估计。本文通过分析经典功率谱估计和现代功率谱估计的多种方法，比较各种方法的优缺点。-According to Wiener- Xinqin theorem, wide-sense stationary random process is the power spectrum of the
BONE
- 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
P0202
- PROJECT 02-02 Reducing the Number of Intensity Levels in an Image (a) Write a computer program capable of reducing the number of intensity levels in a image from 256 to 2, in integer powers of 2. The desired number of intensity levels needs to
Reducing-the-Number-of-Gray-Levels
- 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
FFT
- 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
01
- 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