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dwprotected
Matlab source code for DCT-based watermarking for grayscale images. DCT-based watermark recovering without resorting to the uncorrupted original image. Digital watermarking has been proposed as a viable solution to the need of copyright protection and authentication of multimedia data in a networked environment, since it makes possible to identify the author, owner, distributor or authorized consumer of a document.
A new watermarking technique to add a code to digital images is presented: the method operates in the frequency domain embedding a pseudo-random sequence of real numbers in a selected set of DCT coefficients. Watermark casting is performed by exploiting the masking characteristics of the Human Visual System, to ensure watermark invisibility. The embedded sequence is extracted without resorting to the original image, so that the proposed technique represents a major improvement to methods relying on the comparison between the watermarked and original images.
- 2009-07-13 12:14:31下载
- 积分：1
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lsvm
image processing using matlab code......
- 2013-01-14 15:31:23下载
- 积分：1
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vectoriel
this is a matlab file that contains a simulink simulation of a vctor control using simulink blocs of matlab
- 2014-12-31 22:03:27下载
- 积分：1
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DV-Hop-
matlab仿真，DV-hop定位算法，最小二乘法进行定位(matlab,DV-hop Localization Algorithm,least square method)
- 2015-07-14 21:36:42下载
- 积分：1
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spwm
说明： 用proteus仿真实现逆变器，基本实现闭环控制，单片机是ATMEGA88。(The inverters are simulated by proteus, and the closed-loop control is basically realized. The single chip computer is ATMEGA88.)
- 2019-07-10 15:16:08下载
- 积分：1
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New_to_matlab3
MATLAB初学者
MATLAB初学者
包好了一些用matlab解微分方程的源程序(MATLAB beginner beginners MATLAB wrap some source code for solving differential equations using matlab)
- 2009-12-15 17:51:16下载
- 积分：1
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cr
说明： 对认知无线电算法的详细论述，有利于初学认知无线电的人(Cognitive radio algorithms to detail and is conducive to learning cognitive radio people)
- 2009-05-25 20:09:19下载
- 积分：1
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rfid
说明： 讲解RFID技术的好论文，里面包含中科大博士论文一篇和北京交通大学硕士论文一篇，包含防碰撞算法和安全认证技术(RFID technology to explain a good thesis, doctoral thesis which contains a USTC and Beijing Jiaotong University, a masters thesis, including anti-collision algorithms and security authentication technology)
- 2010-04-09 16:56:41下载
- 积分：1
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matlab
说明： 在MATLAB下实现的各种图像处理的算法(MATLAB susan implemente image processing)
- 2010-05-04 17:10:42下载
- 积分：1
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liezhuyuanxiaoqufa
列主元消去法，可以计算出LU矩阵和方程组的解，已经验证可以运行。(Main-element elimination method, LU matrix can be calculated and the equations, has been demonstrated to run.)
- 2010-06-02 23:30:46下载
- 积分：1
