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一种基于DCT域的MPEG-4编码器改进方法
- 一种基于DCT域的MPEG-4编码器改进方法-a DCT-based MPEG-4 encoder Improvement
watermark的DCT代码1
- 一个基于DCT域的数字水印代码,里面有详细的注释说明。-This is a digital watermarking sourcecode based on DCT.Attached with detailed comments and explanation.
基于DCT变换的图像编码方法研究
- 本文结合DCT变换的特性,利用分形的Peano一hilbert扫描曲线,对基于DCT变换的图像编码方法进行了研究,并提出了改进方法。主要工作分为两个部分: 一是在分块DCT基础上的改进。对分块后生成的各图像块矩阵,不直接作二维DCT变换,而是先进行扫描,使之重排成一维向量,再进行一维DCT变换,这样可以减少运算量。 其次是对层次余弦变换编码部分的改进。使用层次DCT变换与零树编码相结合的方法,并在扫描编码过程中,按Peano一hilbe
dct-watermark-embed-detection
- 基于DCT域的数字图像水印的处理,经测试可以达到对水印检测的功能-DCT-based digital watermark image processing, testing can be achieved by the right watermark detection function
DCT
- 一个基于dct变换的数字水印算法的源程序,可供进行数字水印学习和研究的学生及科研工作者学习参考-DCT-based digital watermarking algorithm transform the source code, available for study and research of digital watermarking students and researchers to study the reference
DCTwatermark
- 基于dct的数字图像水印技术的matlab源代码。大家共享-DCT-based digital image watermarking technique matlab source code. U.S. share
program2
- 基于dct的图像检索,用matlab写的,不过分割过程难度很大。-DCT-based image retrieval using matlab to write, but it is very difficult to partition the process.
DCT
- 这是一个可执行的基于DCT的压缩编码程序,希望对大家有所帮助!-This is an executable DCT-based compression encoding process, I hope all of you to help!
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。-Based on the DCT domain imag
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 block based on chaotic semi-fragile image watermarking technology, semi-fragile digital watermarking Chaos Theory
DCT
- 变换编码的一种方法基于DCT的编码程序拿来公享-A method of transform coding DCT-based encoding procedure used to enjoy public
DCT-basedJPEGimagecompressionalgorithmtoachievethe
- 基于DCT的JPEG图象编码,用MATLAB实现的-DCT-based JPEG image coding, using MATLAB realization
DCTmatlab
- 基于DCT变换的图像压缩matlab实现(附测试图)-DCT-based image compression transform matlab realize (with the test chart)
DCT
- altera fpga verilog 设计的基于查找表的DCT程序及zigzag扫描程序,已经过matlab 和modelsim 验证,文件中包含TESTBENCH ,直接可用-altera fpga verilog design table DCT-based search procedures and zigzag scanning procedures, and ModelSim matlab has been verifi
DCTDWT
- 基于DWT和DCT的图象水印算法,过程简单,效果一般-DWT and DCT-based image watermarking algorithm, the process is simple, the effect of general
JPEGCOMPRESS
- 这是一个基于DCT的图像JPEG压缩程序,并将压缩码保存在一TXT文本中-This is a DCT-based JPEG image compression process, and code stored in a compressed text in TXT
DCT
- 在MATLAB里,基于dct域,实现在二维图像中嵌入数字水印 并提取。-In MATLAB, the dct-based domain, the realization of two-dimensional images in the digital watermark embedding and extraction.
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.
DCTvideowatermark
- DCT based video watermarking using pseudo random factor
DCT-based-image-coding
- 基于DCT的图像压缩编码,很简洁,很实用,-DCT-based image coding, very simple, very practical,