搜索资源列表
DCT_Gaosi_fenkuai
- 对256*256大小的8bit灰度lena图像进行仿真 将图像分为16*16的分块进行计算 稀疏矩阵采用DCT矩阵，观测矩阵采用高斯随机矩阵，重构采用OMP算法- 256* 256 size lena image simulation 8bit grayscale image is divided into 16 * 16 calculate block sparse matrix using DCT matrix, observation matrix using Ga
Matlab_learning_materials
- 主要包括图像的中值、均值去噪、非局部均值、分块局部去噪算法；还有均方误差和峰值信噪比评价、以及matlab基础学习资料如边缘检测、小波变化、灰度值转换等-Including image median, mean denoising, non-local means, block local denoising algorithm also mean square error and peak signal to noise ratio evaluation, and matlab based
Toolbox_sparseMRI_PBDW
- 基于分块小波的图像框架的核磁共振图像稀疏重建算法工具箱。-Ts image smoothing. Keep the big picture edges smoothed images of small edges. Has the effect of drawing cartoon images.
DCT-watermark-
- DCT域图像隐藏，基于DCT系数关系的图像水印算法，88分块后比较选定的两个系数的大小以此来隐藏1或者0.-DCT domain image hiding, based on the relationship between the DCT coefficients image watermarking algorithm, 88 blocks selected after comparing the size of the two coefficients in order to hide o
dct-quanlity-snr
- 对一幅图像进行不同量化水平的DCT变换，可以应用于不同分块大小下的DCT变换测试。-On an image to quantify the level of different DCT transform, can be applied to different sub-block size DCT transform under test.
dct222
- 基于DCT的图像压缩 及MATLAB实现 分块操作后进行z扫描-dct
fenkuai
- 在matlab下对原始图像进行分块，最后显示分块后的图像，也可对区域图像处理-In matlab the original image under the sub-block, block after the last show of the images, but also the regional image processing
tuxiangfenkuai
- 这是对彩色图像进行分块的matlab代码，自己可以根据需要修改。-This is a color image is divided into blocks of matlab code, they can be modified as needed.
33586272blockzigzag
- 本程序是对图像进行分块裁剪，并且处理之后把各块连接起来。-This program is divided into blocks of image cropping, and then deal with the various blocks are connected together.
DCTlicheng
- 研究表明，构成K一L变换矩阵的向量也就是ToePhtz矩阵的特征向量。与此同时，离散 余弦变换矩阵逼近于ToePutz矩阵的特征向量矩阵，所以离散余弦变换矩阵与自然图像的 K一L变换矩阵十分相似。经过离散余弦变换后的变换系数块的协方差矩阵Cy非常接近对角 阵，即除了对角线元素以外，其它很多元素都近似为0，并且在左上角集中了主要能量。这 反映了自然图像大部分区域变化不大，亮度突变只占少数，即图像能量以低频成分为主的特 性。通过变换后的量化，舍弃对视觉效果影响较小的次要信息，可达
Grid
- 基于OpenCV实现的图像切割程序，通过程序中参数设置分块的数量和大小-The project is uesd to break an image into block
fenkuaiqiuyvzhi
- 图像先按横坐标分块，然后再求出每块的阈值和平均灰度值-Firstly,image is segmented blocks,then,we seek threshold in sub-blocks and average gray values
divide
- 对图像进行分块处理，可以设置分块比例，该程序设置的是8*8的比例，将图像分成64块-The image processing block, you can set the ratio of the block, the program is set proportion of 8* 8, the image is divided into 64
matlab
- 基于DCT数字水印算法的Matlab实现源代码,1. 将文字水印和图像水印转换为二值序列水印； 2. 对水印进行置乱，提高其安全性； 3. 选择合适大小的块，给出DCT域中频分块编码方案；-DCT-based digital watermarking algorithm Matlab source code, a text watermark and image watermark converted into a binary sequence watermark .. 2 wa
Matrix_Noise
- 自编的MATLAB图像处理函数，对图像矩阵进行行列的分块和重构，很简洁实用-image MATRIX processing function proposed by myself
chongdiefenkuai
- 自己编的图像重叠分块再重新合成的程序。使用matlab。-Re-synthesis process images overlap own the block. Use matlab.
fenkuaiyasuoganzhichengxu
- 分块压缩感知程序 本程序实现图像LENA的压缩传感-Block compressed sensing program
controlimage1
- 分形图像压缩原始算法，包括压缩和解压。 根据Jacin的分块压缩原理-fractal image compression original algorithm, including compression and decompression. According to the sub-block Jacin compression Principle
coloraasqlserver
- 颜色直方图和颜色矩，采用两种分块策略提取图像的颜色特征，并进行相似度比较。使用sqlserver数据库，corel图像库。-Color histogram and color moments, uses two strategies to extract block color feature image and similarity comparison. Use sqlserver database, corel image library.
An-advanced-contrast-enhancement1
- 用分块直方图法增强图像对比度，很有参考价值-Using partitioned histogram method to enhance image contrast, which has a reference value