搜索资源列表
image
- 系统能读取不同图像，保存处理后的图像； 2. 直方图均衡化； 3. 对图像进行FFT和DCT变换； 4. 对图像添加高斯噪声，进行均值降噪（图像数目可设置）； 5. 对图像进行频域增强（可选一种滤波器对图像平滑或者锐化都行）； 6. 采用阈值法对图像进行二值化；（阈值可设置） -he system can read different image, save the image after processing 2 histogram equalization
2
- 利用余弦变换实现图像压缩： DCT先将整体图像分成N×N像素块（一般N=8 ，即64个像素块）， 再对N×N块像素逐一进行DCT变换。由于大多数图像高频分量较小， 相应于图像高频成分的失真不太敏感，可以用更粗的量化，在保证所要求的图质下， 舍弃某些次要信息。-Cosine transform image compression: DCT NN first image is divided into blocks of pixels as a whole (usually N =
dcthvsWaterm-ark
- 基于DCT域的鲁邦水印算法，原始图像分块DCT变换，基于纹理掩蔽特性的块分类，产生水印并嵌入提取-Lupin based DCT domain watermarking algorithm, the original image block DCT, texture classification based on block masking characteristics, generate and embed a watermark extraction
FFTaDCT
- 对图像进行FFT变换和DCT变换及反变换，观察图像的变换及相应变换的性质-Image transform and inverse transform, and the nature of the observed image transform FFT transform and DCT transform corresponding
zongjie
- 各种视频水印技术的总结,包括小波变换，DCT变换，混沌算法等。-Summary of the various video watermarking technology, including wavelet transform, DCT, chaos algorithm.
test_dct
- 2D-DCT变换是视频压缩中的常用变换[2]。在压缩过程中,将一幅图像分成许多4*4的小块进行变换。-2D-DCT transform is often used in video compression transformation [2]. In the compression process, an image is divided into many small blocks of 4* 4 transform.
dct_photo_embedd
- 使用DCT变换对图像进行水印嵌入。有嵌入和读取水印程序，有参考图片。水印是从文件中读取，读取的水印也写入到另一个txt文件中。-DCT transform image using watermark embedding. There watermark embedding and reading program, a reference picture. The watermark is read from a file, read the watermark is also written t
matlab-DCT-watermark
- 基于离散余弦变换的数字水印嵌入以及实现代码-Embedded watermarking based on discrete cosine transform and implementation code
DCT
- DCT正变换--LENNA图 matlab代码-DCT transformation- LENNA chart matlab code
timing
- 基于DCT变换和spiht算法的节点网络生命周期随节点数变化的二维坐标图-And spiht algorithm based on DCT transform with the node number of the nodes of the network life cycle changes of two-dimensional coordinate graph
dct2d
- 研究生课程 ： 来源于Xilinx公司，二维DCT变换代码。-Graduate courses: from Xilinx, 2D DCT function implementation verilog code.
A11021155_2
- 实现DCT变换,傅里叶变换,哈达玛变换并且输出信噪比-Achieve DCT transform, Fourier transform, Hadamard transform and outputs the signal to noise ratio
DCTaRebuild
- 该程序功能为对图像文件进行DCT变换，和系数置零后的重构。-The program functions as a DCT transform of the image file, and the coefficient of zero after reconstruction.
Image-compression
- 通过DCT变换，大致掌握了量化压缩编码的基本原理、算法，并通过编程给予了实现，了解到压缩性能及其重建效果的影响、作用。-By DCT transform, generally mastered the basic principle, algorithm quantization coding and compression, and gives the realization by programming, to understand the influences, compression p
Image-Compression
- DCT变换1、 提取彩色图像，将图像大小限制为512* 3； 2、 提取彩色图像三个颜色分量的矩阵，每个矩阵单独处理； 3、 将矩阵分为8*8的块，做DCT变换； 4、 提取每个块的一部分DCT系数做IDCT变换，显示基本图像； 5、 再提取每个块的一部分DCT系数做DCT反变换，得到增强层1，与前一次得到的数据叠加，得到质量更好的图像。 -DCT transform
Picture
- 数字图像的DCT变换 压缩解压代码，对灰度图像进行处理-Digital image DCT transform compression decompression code, to deal with gray image
matlab1
- 【谷速软件】matlab毕业设计代做-图像的DCT变换 可以作为参考使用-[Valley] matlab speed software designed to do on behalf of graduation- DCT transform image can be used as references
processing_pic
- 完成对于图像的DCT变换反变换，FFT变换反变换，动态模糊，加噪声去噪声等等，配有图形界面，功能强大-For complete image DCT transform inverse transform, FFT transform inverse transform, as well as some dynamic blurring function, and with a graphical interface
DCT-Change
- 用于实现对图片的DCT正反变换操作，输入一张黑白图片和N值，得到两个输出图片，一个为DCT正变换的结果，一个为DCT反变换的结果。-Used to achieve positive and negative images DCT transform operation, enter a black and white picture and N values, get two output images, a result of DCT transformation as a result of
Lena-JPEG
- 利用JPEG压缩方法对Lena图像进行压缩，其中包括DCT变换，及变换后取整，复原图像。-JPEG COMPRESSION VIA MATLAB