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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.
JPEG-DCT
- JPEG中DCT 变换在 matlab中的实现 相当简便-JPEG in the DCT transform in matlab in the realization of a very simple
图象的DCT变换
- 这是我VB实习弄的图象的DCT变换程序，与大家分享-This is my VB internship get images of DCT procedures, and share
DCT
- 通过二维图抽象的DCT变换，取前n和系数进行重构得到的图像进行显示-Two-dimensional map by abstraction of DCT, take the first coefficient n and displays the image reconstructed by
DCT
- 将一个512×512的lena.bmp图像进行DCT变换，对得到的DCT系数按8×8块进行分层（分三层），重组填充得到新的系数矩阵，结果发现原图像的能量集中在了新图像的左上角低频部分。-The lena.bmp an image of 512 × 512 is subjected to DCT transform, the DCT coefficients obtained by layering 8 × 8 block (of three), to obtain a new recombina
DCT-and-dwt-watermarking-algorithm
- 基于DCT&DWT的数字水印算法包括水印的嵌入提取，常规的信号处理攻击及水印的评估标准-关闭翻译英语中文德语检测语言 中文(简体)英语日语 翻译文字或网页 基于DCT&DWT的数字水印算法包括水印的嵌入提取，常规的信号处理攻击及水印的评估标准 请键入文字或网站地址，或者上传文档。 取消 Jīyú DCT&DWT de shùzì shuǐyìn suànfǎ bāokuò shuǐyìn de qiànrù tíqǔ, chángguī de xìnhào chǔl
algorithm-based-on-DCT-domain
- 一种基本的DCT域数字水印嵌入算法，很适合新人参考阅读使用-请键入文字或网站地址，或者上传文档。 取消 Yī zhǒng jīběn de DCT yù shùzì shuǐyìn qiànrù suànfǎ, hěn shìhé xīnrén shēn kǎo yuèdú shǐyòngA basic DCT digital watermarking algorithm, it is suitable to use the new reference reading
DCT
- DCT图像压缩和反DCT，里面有程序说明和运行结果- DCT image compression and anti-DCT, which has a descr iption of the procedures and the results
DCT-VC-master
- DCT算法的实现,使用VC++实现，版本为VS2010.支持24位位图的加密。-DCT algorithm achieved using VC++ realized version VS2010. Supports 24-bit encryption map.
dct
- DCT图像压缩：此源代码变换域系数选取采用区域编码，通过非零区域的选择，呈现不同的恢复效果-DCT image compression: This source code transform domain coefficients using the selected coding region, by choosing a non-zero area, showing the effect of different recovery
DCT-Video-Compression
- 基于matlab平台，通过DCT算法来对视频进行压缩。代码包括视频分解成帧，DCT算法压缩，帧合成视频，以及综合的视频压缩M文件，可以直接仿真。有相应的图片，以及压缩前后的视频，还有原理word报告。-Based on matlab platform, through DCT algorithm to compress the video. Code includes video decomposition framing, DCT compression algorithm, frame co
DCT-and-Image-Compression
- DCT and Image Compression In the JPEG image compression algorithm, the input image is divided into 8-by-8 or 16-by-16 blocks, and the two-dimensional DCT is computed for each block. The DCT coefficients are then quantized, coded, and trans
3.DCT
- WATERMARKING USING dct
compression-dct-and-dwt
- algorithme compression image based DCT and DWT
watermark-JPEG-and-DCT
- 自己总结的关于JPEG压缩的过程以及DCT变换的步骤-The main story about those files is the process of JPEG compression and DCT transform
dct
- DCT离散余弦变换用于人脸识别，识别率高于PCA-DCT discrete cosine transform for face recognition, the recognition rate is higher than PCA
DCT-Picture-Handler
- DCT,IDCT实例,可以学习下DCT对图片的处理相关工作，VC++源码-DCT, IDCT instance, can learn DCT for image processing-related work, VC++ source
DCT
- 利用DCT方法，嵌入水印。可设置像素修改值、选择各种经典的攻击方式和控制攻击强弱。返回提取的水印信息和峰值信噪比。利用Matlab编写。-The use of DCT approach, embedding the watermark. Modify pixel values can be set to choose a variety of classic attacks and control the strength of the attack. Back to extract the w
DCT
- iii) Discrete Cosine Transform The transform of a signal is just another form of representing the signal. It does not change the information content present in the signal. Discrete cosine transform is widely used in image and video compression appl
dct
- 基于dct的数字水印源程序，是matlab代码，并且带有解释信息-Dct-based digital watermarking source is matlab code, and with explanatory information