搜索资源列表
DCT
- 二维离散余弦变换 c# 实现图像压缩和特征提取 -Discrete Cosine Transform for Feature Extraction Decription: Implementation of 2D discrete cosine transform in c# Download source: http://www.codeproject.com/KB/GDI/2D-DCT.aspx
dct-dft
- 对一幅图像进行DCT dft变换后的结果和运行出来的图形-Image on a DCT dft transformed results and running out of graphics
DFT-DCT
- 基于VC++的图像的DFT变换和DCT变换,并可实现两者间的对比转换-VC++ based on the image of the DFT transform and DCT transform, and to achieve the contrast between the two conversion
DCT
- JPEG标准中规定了4种压缩模式[15]:顺序编码(Sequential encoding),渐进编码(Progressive encoding),等级编码(Hierarchical encoding),无损编码(Lossless encoding)。应用最为广泛的为基于DCT变换的顺序编码,也称之为基准模式(Baseline mode),其它几种模式都以此为基础。这里,采用了JPEG基准模式对图像进行压缩,在基准模式中,熵编码采用哈夫曼编码方法。 -JPEG standard specif
DCT
- 用MFC对一个视频或者图像进行DCT变换-With MFC or image on a DCT-video
lean
- 基于MATLAB的图像压缩,DCT变换,huffman编码-Image compression
image-dct
- 使用c语言完成对bmp图像的读取以及实现dct变换-Completed using the c language to read bmp images and the realization of dct transform
dct
- 实现图像的dct变换,很好的实现了dct变换,自己测试过了-dct transform
pudn2
- DCT变换在图像压缩中的实验 对视频的参考帧 和目标帧进行压缩的实验-DCT transform in image compression experiments on the video frames of reference frame and target compression experiments
DCT-matlab
- 利用Matlab工具实现对Dct变换的水印嵌入技术算法-Matlab tools used to achieve the Dct transform watermarking algorithm
DCT-Domain-Image-Resizing-Algorithm
- 图像放大打算,关于高频DCT变换的,代码里面有介绍,我自己科研实现的-DCT based transformation for high frequences. A Complexity Scalable Universal DCT Domain Image Resizing Algorithm
DCT-watermarked-kangdayinsaomiao
- 针对打印扫描对图像影响的特点, 选取在图像的DCT 域上嵌入水印信息。对DCT 变换后的系数按 照他们的位置进行了特殊的分类, 通过分类后每一类中正负号的数量来表达水印信息, 增强了算法的鲁棒性。 然后对水印的嵌入位置、鲁棒性和嵌入强度进行了研究-Impact on the image for print scanning feature, select the image on a DCT domain watermark embedding. The DCT transform co
dct
- dct变换,用c语言编写,实现了DCT的变换以及zig-zag扫描。-dct transforma
watermark-in-the-image-with-dct
- 基于DCT域的图像水印算法的实现,DCT变换;图像处理;信息隐藏;数字水印-watermark in the image with dct transfor
DCT
- 生成一个高斯水印后,对待嵌入水印的载体图像进行二维的DCT变换,然后嵌入水印-DCT transition.
DCT
- 对图像进行DCT变换及变换后计算psnr的值-The image transformation and DCT computation of PSNR value after transformation
DCT
- 基于DCT的数字水印处理技术,本水印处理过程利用图像的缩放技术和调整原始图像的直方图,根据人眼视觉特性,在每个DCT变换块的DC分量上嵌入水印信息,并且在水印信息嵌入之前,对其进行置乱加密,提供双重安全保证,接着通过JPEG压缩攻击对DCT域的鲁棒性进行测试,证明了DCT的抗攻击能力。-DCT-based digital watermarking technique, the watermark processing technology and the use of image scaling
JPEG-DCT
- 将lena.bmp图像进行JPEG压缩,使用dct变换和量化编码。-Will lena.bmp images to JPEG compression using dct transform and quantization coding.
Image-compression-based-on-DCT-
- 基于DCT变换的图像压缩matlab实现,检测可用,值得参考。-Image compression based on DCT matlab implementation, testing available, worthy of reference.
DCT
- 图像压缩。对图像进行DCT变换。 取灰度图,DCT,IDCT。-Discrete Cosine Transform of an image