gray2rgb

基于DCT域的鲁棒水印，能抗击一定程度的压缩，剪切等攻击(Based on the DCT domain robust watermarking, can fight against a certain degree of compression, shear, such as attacks)

本文针对多光谱图像配准中不同光谱图像间存在较大的灰度差异、同一景 物在不同波段表现的特征也各不相同等问题，提出了基于互信息相似性测度的 多光谱图像配准算法。(In this paper, multi-spectral image registration between images in different spectral gray there is a big difference, the same scene in different performance characteristics of band varies and so on, based on mutual information similarity measure for multi-spectral image registration algorithm .)

利用数学形态学进行图像去噪，实现了自适应图像去噪的目的，希望能够给大家帮助(Using mathematical morphology for image denoising and achieve the purpose of the adaptive image denoising, hoping to give you help)

hough和randon函数求图像中圆，对于水中气泡检测效果很不错(Circle detection based on random Hough transform)

DCT在图像重构，压缩感知以及稀疏表示中的应用(DCT in image reconstruction, compressed sensing and sparse representation of the application)

自己编写的图像腐蚀与膨胀matlab代码，经试验证明与matlab中自带的腐蚀和膨胀函数运行效果相同，可供初学图像处理的同学参考使用。(The image corrosion and expansion matlab code written by myself has been proved to be the same as the corrosion and expansion function of the matlab. It can be used by students who are ready for beginner image processing.)

基于MATLAB的图像配准算法（高斯金字塔与其他几个算法）(MATLAB-based image registration algorithm (Gaussian pyramid with several other algorithms))

这是一个matlab的代码。利用自带函数，代码实现了医学图像的配准(This is a matlab source. Code implements images registration)

骨骼图像增强，对应于冈萨雷斯数字图像处理教程上的五个步骤(Bone image enhancement, digital image processing corresponding to Gonzalez' s five-step Tutorial)

图像逆透视变换的示例，用于合成360度全景俯视图。(An example realizes the image processing of Inverse Perspective Mapping, which is used in composing 360 panorama planform.)