dct(离散余弦变换）域数字水印嵌入算法

计算机图形技术 北京大学出版社 实验源代码-computer graphics technology experiment Beijing University Press source code

awimg=rgb2gray(im1) tic [accum, circen, cirrad] = CircularHough_Grd(rawimg, [20 30],5,50) circen toc figure(1) imagesc(accum) axis image title( Accumulation Array from Circular Hough Transform ) figure(2) imagesc(rawimg) colormap( gray ) axis image hold on plot(circen(:,1), circen(:,2), r+ ) for k = 1 : size(circen, 1), DrawCircle(circen(k,1), circen(k,2), cirrad(k), 32, b- ) end hold off title([ Raw Image with Circles Detected , ... (center positions and radii marked) ]) figure(3) surf(accum, EdgeColor , none ) a

用DELPHI实现的验证码识别的最基础例子!-DELPHI realize with the Verification Code to identify the most basic examples!

计算任意多边形的面积算法-arbitrary polygon calculation algorithm of the area

对BMP图像进行各种特技效果的显示，条例清晰，方便好用-BMP images on the display of a variety of special effects, regulations clear and is easy to use

基于ipp的图像处理代码，几乎包含了图像处理各种算法。需要IPP库支持。-based on the image processing code, contain virtually all image processing algorithms. Need the support of IPP.

多幅图像的加密技术 matlab源代码-image encryption technology Matlab source code

小波去噪指标RMSE和MSE的代码，希望能给大家带来帮助-Wavelet Denoising indicators RMSE and MSE of the code, I hope everyone can help

图象的腐蚀，和膨胀，和细化算法代码！ 比较有参考价值-image corrosion, and the swelling and thinning algorithm code! More reference value

实现了地形图像等的四叉树分层，根据图像的梯度和稠密分布进行分层处理。-Realized images of the terrain quadtree hierarchical, according to the image gradient and the dense distribution of slicing.