搜索资源列表
DCT(sse2)
- 用SSE2汇报语言实现的H.264视频编码标准中的DCT变换。-using SSE2 reporting language of H.264 video coding standard of DCT.
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- :数字水印技术在数字产品的版权保护中起着非常重要的作用。概括了数字水印技术的现状及其基本原理,并 分析了变换域数字水印算法的优势,详细阐述了DCT 水印嵌入和提取算法的原理和步骤。最后在Matlab 平台下对DCT 数 字水印算法进行了仿真,仿真结果证实了DCT 算法的强健性和鲁棒性。-: digital watermarking technology in the digital copyright protection pr
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- 数字水印技术近年来得到了较大的发展,基于变换域的水印技术是目前研究的热点。该文提出了一种基于DCT域的自适应水印算法。实验结果表明,这种算法具有良好的性能,实现的水印具有不可见性,而且具有较好的鲁棒性。 -digital watermarking technology in recent years has been substantial development, based on the transform domain w
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
dctshuiyin
- 数字水印DCT嵌入与提取水印matlab实现实例！-Digital Watermarking DCT watermark embedding and extraction matlab examples realize!
dctbasedwatermark
- 多种基于DCT变换域水印方法实现论文。对于数字水印初学者是很好的基础文案。-A variety of DCT-based transform domain watermarking method papers. Digital Watermarking for beginners is a good basis for the Record.
program
- 基于Dct的视频检索。-Dct-based video retrieval.
dct
- Mpeg2视频压缩时进行空间压缩时的离散余弦变换矩阵的verilog实现，采用modelsim验证-Mpeg2 video compression when space compression of discrete cosine transform matrix realize Verilog using ModelSim verification
DCT
- 用Verilog HDL编写的离散余弦变换，可用于视频图像压缩，并在modelsim SE6.0中仿真通过-Verilog HDL prepared with discrete cosine transform can be used for video image compression, and modelsim SE6.0 simulation through
DCT
- 用于视频图像编码的8×8DCT变换，可用于MPEG4.H263等VHDL编程-For video images encoded 8 × 8DCT transform, can be used to MPEG4.H263 such as VHDL Programming
DCT
- 视频处理中经常需要进行DCT变换，这是本人自己编写的、可以对图像样点进行一维和二维的DCT变换-Video processing often require DCT transform, which is I have written, you can kind of image points of one-dimensional and two-dimensional DCT transform
MPGextract
- 一个mpg压缩的水印提取程序,考虑到了几种压缩格式,并基于此提出DCT频率域上的水印提取.对学习视频水印的人有help-Mpg compressed a watermark extraction procedure, taking into account several types of compression formats, and based on this proposed DCT frequency domain water
DCT
- 利用原本的256*256影像矩陣 計算出DCT矩陣-Use of the original 256* 256 video matrix to calculate DCT matrix
dct
- 实现图像压缩中的DCT变换，尤其是对于H.264视频标准中的DCT变换。-The realization of image compression in DCT transformation, especially for H.264 video standard DCT transform.
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- 为保证网络信息传输的安全性,提出一种视频图像加密方法。该方法引入混沌系统中的Logistic映射和 Baker映射,结合H·264视频压缩编码特点,利用Baker映射对DCT (Discrete Cosine Transform)变换量化后 的块进行位置置乱, -In order to ensure the safety of information transmission network, and a video ima
3D-DCTTransform
- 三维DCT变换是在空间信息上增加了一维的时间维度，对视频系列直接进行压缩-Three-dimensional DCT transform information in the space are added to one-dimensional time dimensions of the video series for direct compression
dct
- 已知两个不同图像块亮度数据如下： （1）分析DCT原理，采用DCT方法，编程并计算相应的DCT系数，分析系数分布特点。 （2）依据视觉特性分析量化表步长的分布特点，完成DCT系数量化。 （3）采用Z形扫描，实现输出数据的统计编码，形成Video stream。 （4）采用IDCT重建图像亮度数据，计算SAD大小，分析产生误差的原因及采用DCT进行数据压缩的原理。（ ） （5）分别利用左上角1、3、6个系数重
DCTvideowatermark
- DCT based video watermarking using pseudo random factor
WatermarkingofImagesandVideo
- Very thorough discussion of Data Hiding / Steganography / Watermarking of video with DCT-Very thorough discussion of Data Hiding/Steganography/Watermarking of video with DCT
DCT
- Visual C++实现视频编码中的DCT和反DCT变换-Visual C++ implementation of the DCT video coding and anti-DCT transform