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dct
- 继续，这个是，恩，还是和数字水印和图像处理有关系的东西拉，因为最近在做这个拉，恩，之所以这么着急的一下子就上传5个，是因为我真的有一点东西要看一下，看了好长哪方面的资料，可是还是不能搞定，所以要找源码看看啊，所以麻烦站长了，赶紧帮我开通一下拉，谢谢啊！真诚的。 转入正题：这个是一个离散余弦变换的C语言程序，相信数字水印和图像处理方面的编程者对他很熟悉，使用matlab实现他很简单，可是。。。我们用的是VC啊。哈哈，不过没有关系拉，这个我已经搞定了，所以如果你对此还是不很熟悉，那么就看看这个源
dct
- 一种基于分块 D C T的混沌半脆弱图像水印技术，半脆弱数字水印；混沌理论
DCT分块图像数字水印
- DCT分块方法嵌入数字水印极其各种攻击方法的检测及对比，MATLAB程序详细整齐！！
dct_watermark.经典的分块DCT数字图像水印算法
- 一个经典的分块DCT数字图像水印算法 嵌入 提取,A classical DCT block of digital image watermark embedding algorithm extracts
DCT.rar
- 利用matlab的DCT2函数，对图像做变换并压缩。并用8*8对图像分块，对每一块计算均方值作为阈值。,DCT2 use the matlab function, and transform the image so compressed. And 8* 8 image block, a calculation of each mean square value as a threshold.
DCT
- 图像的基于8*8分块的DCT变换编码 MATLAB编程环境 -Images based on 8* 8 block of DCT transform coding MATLAB programming environment
DCT
- 将图象分块(8*8)，作DCT变换，并作IDCT：DCT是一种可分离图象变换，用来图象压缩编码，IDCT用来解压缩。-The image sub-block (8* 8) for the DCT transform, and to make IDCT: DCT is a separable image transformations, is used to image compression coding, IDCT is used to decompress.
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.
61EDA_C1600
- 人脸识别，基于2D的PCA结合2D的DCT分块-face recognition ,based 2DPCA and 2DDCT
dctwatermark
- DCT水印，简单实用，基于8*8分块的DCT域水印嵌入算法水印图像为64*64-DCT watermark, simple and practical, based on the 8* 8 sub-block DCT domain watermark image watermark embedding algorithm is 64* 64
DCT
- 一个有关DCT的matlab程序，采用分块的思路-DCT-a matlab program, the idea of using block
DCT
- 对测试图像分块、DCT和量化，将量化后的系数写成矩阵形式。-The test image block, DCT and quantization, the quantized coefficients written in matrix form.
DCT
- 数字水印系统的实现——基于DCT的鲁棒水印。图像中数字水印的嵌入，分块DCT反变换-Image digital DCT
A-DCT-watermarking-algorithm
- 提出了一种在数字图像上实现的盲水印算法, 嵌入的水印是64 64 8 bit 灰度图。该算 法用宿主图像的8 8 分块的DCT 域低频对应系数, 进行量化取余的方法嵌入水印。-Proposes a new digital image watermarking algorithm implemented on the embedded watermark is 64 64 8 bit gra
Block-DCT-transform
- 分块DCT变换，基于压缩感知信号的压缩。详细阐述了信号基于DCT分块的变换算法。为后面的信号压缩和恢复做铺垫。-Block DCT transform based on compressed sensing signal compression. Elaborates the signal based on the sub-block of DCT transform algorithm . For the following signal compression and pave the wa
数字图像处理DCT矩阵分块变换matlab程序
- 数字图像处理DCT矩阵分块变换matlab程序
bcs-spl-1.5-1
- 实现图像分块压缩感知，实现了多种稀疏基下的压缩感知，包含CT、DCT、DDWT、DWT等(Realize the image compression sense, and realize a variety of sparse base compressed sensing, including CT, DCT, DDWT, DWT and so on)
blok compressive sensing
- 分块压缩感知，采用SPL进行平滑，包括ct,dct,dwt,ddwt四种稀疏矩阵(Block compression perception, using SPL to smooth, including CT, DCT, DWT, DDWT four sparse matrices)
dct
- 程序主要用于dct图片分块，包括8*8，16*16,32*32，64*64分块等等。(The program is mainly used to block DCT pictures, including 8*8, 16*16,32*32, 64*64 block, and so on.)
DCT
- 对每类中的每幅图片进行DCT变换（8*8）分块并对保留的DCT系数进行反DCT变换，得到重建的图象，显示原图像和重建图像进行对比，并计算出与原图对比的PSNR值。(Each picture in each class is divided into DCT transform (8*8) and the reserved DCT coefficient is inverse DCT transform. The reconstructed image is obtained. The origi