搜索资源列表
DCT-based_Image_Digital_Watermarking
- 基于DCT域的图像数字水印技术： 摘要：数字水印技术作为数字媒体版权保护的有效办法，近年来在国内外引起了人们极大的兴趣。作者采用了DCT离散余弦变换的算法，对图像这种多媒体数字作品进行了数字水印的嵌入和检测研究。并且使用了高效实用的编程工具MATLAB来介绍了一种DCT域的图像数字水印嵌入和提取的实例，并且在最后对嵌入水印的图像进行了攻击实验，验证了该算法的鲁棒性和不可见性。
cast_dct-a.zip
- dct 2d algorithm descr iption ,dct 2d algorithm descr iption
AudioWatermarking
- 基于听觉频率掩蔽效应的音频数字水印算法和一种基于人耳掩蔽效应的DCT域音频水印-Auditory masking effect on the frequency of the audio digital watermarking algorithm based on the human ear and a masking effect of the DCT-domain audio watermarking
lloyd_max
- dct- computes de discrete cosine transform for a matriz 8*8 from a picture.It receaves the point of the block where begin calculate, the tam of the block and the original picture... lLoyd-max- computes de lLoyd-max optimum quantizer for N bits.
dct-thesis
- Project 2D DCT core - specifications and codes-Project 2D DCT core- specifications and codes
dct2
- Project 2D DCT core - specifications and codes-Project 2D DCT core- specifications and codes
SOFTWAREjpeg2
- jpeg 2D DCT transformation project
ArisImageRoutines_source
- A good resource for 2D FFT and DCT
A_DCT_based_embedded_image_coder
- 基于DCT的嵌入式图像编码，是DCT图像编码的经典文章，由EZW算法启发而发表的此文章。-DCT-based embedded image coding, DCT image coding is a classic article, inspired by the EZW algorithm published this article.
dct
- a dct code i tried.. the image compression using dct divides the image into various blocks n the performs the dct code on it -a dct code i tried.. the image compression using dct divides the image into various blocks n the performs the dct code on it
watermark
- Watermark using DCT is given in these file also dual watermarking is included in this file
Based-DCT-watermarking
- 基于DCT域的数字水印潜入算法研究Based DCT domain watermarking algorithm dive-Based DCT domain watermarking algorithm dive
DCT
- 该程序代码中包含了DCT，FFT等算法的C程序实现方法，希望对大家有所帮助-The code contains the DCT, FFT algorithms in C programming design methods, we hope to help
defination-of-DCT-DFT-and-DWT
- this file contains difference between DCT,DWT and DFT
DCt
- 主要介绍了dCT算法的一些问题，采用c++实现，有兴趣的可以拿去看下-main about dct
DCT-Based-Steganography
- DCT based on steganography
dct
- dct para o codificador de video h.264
DCT-compress-coding
- 文章除了对基于DCT的图像压缩编码进行研究外，还对基于其他算法的图像压缩编码也作了相应的研究。在完成理论方面的研究后，应用MATLAB仿真软件，实现了基于DCT的图像压缩编码。-The article is in addition to picture that according to the DCT compress coding expatiating, returning to picture that according to other calculates way empress
DCT
- 提出了一种基于DCT提取人脸特征技术和支持向量机分类模型的人脸识别方法。利用离 散余弦变换可提取人脸可识别的大部分信息,而支持向量机作为分类器,在处理小样本、高维数等 方面具有独特的优势,且泛化能力很强,无需先验知识。从ORL 人脸库上的实验结果可以看出, DCT特征提取是很有效的,且SVM的分类性能优于最近邻分类器,同时提高了整个系统的运算速 度。-A face recognition method based on DCT for face feature extractio
DCT-digital-watermarking-technology
- 提出了一种基于纠错编码的DCT域数字水印算法,该算法在检测时不需要原始图像,实现了盲检。并且对水印图像进行了利用超混沌置乱处理,提高了安全性能和抗攻击能力。纠错编码的引入使水印抗攻击能力明显增强。 -DCT digital watermarking algorithm based on error correction coding, the algorithm detected without the original image, blind. And watermark image o