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[matlabDCT_watermark

Description: 全套的DCT域数字水印源代码(本人毕业设计成果)内容包括:水印嵌入,水印检测,攻击实验以测试鲁棒性,重要参数计算。希望对做数字水印的XDJM有所帮助。-complete DCT digital watermarking source code (I graduated design results) include : watermark embedding, Watermark detection, attack experiment to test the robustness, an important parameter calculation. Want to do digital watermarking Wilson help.
Platform: | Size: 520192 | Author: 魏凯 | Hits:

[Special Effectswanshandehausdorff

Description: hausdorff距离,用于图像处理中比较两幅图像的差异的方法。其鲁棒性较好。-hausdorff distance, for the image processing of the images compared two different methods. Its robustness better.
Platform: | Size: 1024 | Author: zp | Hits:

[matlabacotspwenti

Description: 此蚁群算法专门用于求解tsp问题,优化效率和鲁棒性都非常好。-this ant colony algorithm tsp devoted to solving problems, and optimize the efficiency and robustness are very good.
Platform: | Size: 2048 | Author: 张鹏 | Hits:

[Software Engineeringwatermark_2

Description: 提出了一种离散小波变换域实现图像水印的方法。这种算法充分利用小波变换的特点,把原始图像及水印图像塔式分解,在多分辨率分解后的相同的频段来嵌入水印信息。该方法也利用了人眼视觉特性,算法简单而有效。实验证明,该算法较好地解决了水印不可见性与鲁棒性之间的矛盾,对常见的水印攻击都有较强的鲁棒性。-presents a discrete wavelet transform domain image watermarking method. This algorithm using wavelet transform characteristics, the original image and the watermark image tower decomposition, Multiresolution decomposition in the same frequency band to the embedded watermark. The method has also been used HVS, the algorithm is simple and effective. Experiments show that the algorithm can solve the watermark is visible with the robust nature of, common to have more attacks watermark robustness.
Platform: | Size: 151552 | Author: yy | Hits:

[Software Engineering03041507

Description: 在某初教机的线性模型基础上,建立了飞机的纵向和横向传递函数,分析了模型参数的不确定性,通过使用MATLAB中的NCD模块对飞行控制系统及PID控制器等参数进行优化,设计出了飞机的自动驾驶仪高度保持和航向保持模式。这种方法既避免了复杂的计算和编程,又使系统具有较好的稳定,陛、动态性能和鲁棒性,克服了飞机模型参数随着高度和速度的变化(即模型参数存在不确定性)而需要按照多个不同高度和速度的飞行区域设计一系列控制器的缺点-early in a plane of the linear model, based on the aircraft's vertical and horizontal transfer function, Analysis of the model parameters of uncertainty, MATLAB through the use of the NCD Blocks flight control system and PID controller parameters for optimization, design of the aircraft's automatic pilot systems, and maintain a high degree course-keeping mode. This method not only avoids the complex calculation and programming, the system has good stability, Her Majesty, dynamic performance and robustness. overcome the aircraft model parameters with the height and speed of change (that model parameters uncertainty exists) and the need to not more than with the height and speed of regional flight controller design a series of shortcomings
Platform: | Size: 277504 | Author: jake | Hits:

[Graph programdwt2_shuiyin

Description: dwt数字水印算法源代码,对剪切,加躁,旋转,JPEG压缩有较好的鲁棒性-dwt digital watermarking algorithm source code to shear, plus a bit, rotation, JPEG compression with better robustness
Platform: | Size: 184320 | Author: qinjiying | Hits:

[Documents444322

Description: 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 watermarking technology is a hot topic at present. The paper presents a DCT-based Adaptive watermarking algorithm. Experimental results show that the algorithm has good performance, the watermark is invisible, but also better robustness.
Platform: | Size: 663552 | Author: my name | Hits:

[OtherjiyuIMMjidongmubiaodegengzhousuanfa

Description: 机动目标的跟踪问题一直是人们研究的重点,实现机动目标精确跟踪,首要解决的问题就是使所建立的目标运动模型与实际的目标运动模型匹配。目前常用的有多模型(MM),交互式多模型(IMM),切换模型等。多模型方法就是对一组具有不同机动模型分别进行Kalman滤波,最终的参数估计是各滤波器估计值的加权和;在多模型基础上,Shalom提出了交互式多模型方法,这一方法对无序目标的机动检测,显示了更好的鲁棒性和跟踪的稳定性;切换模型则是分别建立机动和非机动运动模型,利用机动检测实现在这两个模型之间的切换。一般来说,交互式多模型的跟踪性能较好。-mobile target tracking problem has been a focus of research and achieve precise maneuvering target tracking, the most pressing issue is to enable the establishment of the target model and the actual movement of the target model matching. At present, more commonly used model (MM), interactive multi-model (IMM), switching model. Multi-model approach is a group of different mobile models were Kalman filtering, The final parameter is the estimated value of the filter is estimated weighted; in the multi-model basis, Shalom made the interactive multi-model approach that the objectives of the motor disorder detection, better show the robustness and stability of the track; switching model is set up motorized and non-motorized sports model, the use of mobile testing to achieve in this model between
Platform: | Size: 207872 | Author: zhangyun | Hits:

[Communication-Mobilerootmusic

Description: Root-MUSIC 算法进行了深入的研 究,表明波束域处理和Root-MUSIC 算法结合可以进一步提 高估计的分辨率和稳健性-Root-MUSIC algorithm for an in-depth study shows that domain-beam treatment and Root-MUSIC algorithm can further improve the estimated binding resolution and robustness
Platform: | Size: 1024 | Author: 董亚洲 | Hits:

[Documents20070815

Description: 提出了一种基于小波域的图像数字水印算法·该算法将相互正交的两种水印(鲁棒水印和参考 水印)同时添加到经过DWT后的载体图像小波系数中,然后用小波反变换得到添加了水印的图像·用提取出 的参考水印来估计图像所受到的攻击,由于提取出的鲁棒水印所受的攻击与参考水印受到的攻击一样,因此 可以估计出原始的鲁棒水印·通过对嵌入水印的图像进行加入噪声、滤波、压缩以及裁剪等大量图像处理等试 验,均能正确检测出水印,表明该算法具有很好的感知效果和鲁棒性 -A wavelet-based image digital watermarking algorithm that the algorithm will be mutually orthogonal two watermarks (watermark robust watermarking and reference) at the same time added to the carrier after image after DWT wavelet coefficients, and then using wavelet transform has been Add a watermark image to use to extract a reference to estimate the watermark image by the attacks, as a result of the robust watermark extracted suffered attacks and the reference watermark by the same attack, it can be estimated through the original Robust Watermarking of the embedded watermark image by adding noise, filtering, compression and cutting, such as a large number of image processing such as testing, can correctly detect the watermark, show that the algorithm has good performance and robustness of perception
Platform: | Size: 190464 | Author: 李倩 | Hits:

[Otherlsb

Description: 用matlab实现的基于LSB的数字水印算法。算法可以在BMP灰度图像中嵌入水印,水印信息为二值图像,并将其扩展到与原始图像同样大小,进行重复嵌入,提高鲁棒性。同时算法中给出了PSNR值以评价水印图像的效果,-Using matlab realize the number of LSB-based watermarking algorithm. Algorithm can be embedded BMP gray image watermark, watermark information for the binary image, and its expansion to the original image the same size, the repetition of embedding, improve robustness. At the same time algorithm PSNR values are given to evaluate the effect of watermark images,
Platform: | Size: 150528 | Author: zheng | Hits:

[Special EffectsErrRbstSpiht

Description: 用于SPIHT压缩图像在不可靠信道,比如无线或丢包信道上传输的差错鲁棒性检测的工具代码-SPIHT image compression for unreliable channels, such as wireless or packet loss channel transmission error robustness testing tool for code
Platform: | Size: 39936 | Author: Flora | Hits:

[matlabmatlab_1

Description: 由具有自学习和自适应能力的单神经元构成的单神经元自适应智能PID控制器,不但结 构简单,而且能适应环境变化,有较强的鲁棒性。 -By a self-learning and adaptive capacity of single neurons constitute the single neuron adaptive intelligent PID controller is not only simple in structure, but also to adapt to environmental changes, has a strong robustness.
Platform: | Size: 1024 | Author: feiyang | Hits:

[Special Effectsdct333

Description: DCT的水印程序,实现了水印的鲁棒性和透明性,测试了攻击效果-DCT watermark process, achieved a watermark robustness and transparency, to test the effect of an attack
Platform: | Size: 1024 | Author: liusha | Hits:

[matlabMATLAB_guolu

Description: 本文应用模糊控制技术,设计了一种二输入三输出模糊自整定PID控制器,对锅炉汽包水位进行控制,实现了PID参数的自适应调节。利用MATLAB对控制系统进行仿真。结果表明,该控制器自整定能力及鲁棒性比传统PID控制器更强,响应速度快、精度高,同时对虚假水位有较好的控制效果。matlab实践研究。-In this paper, fuzzy control technology, the design of a two input and three output fuzzy self-tuning PID controller of the boiler drum water level control, the realization of the adaptive PID parameters. Using MATLAB simulation of control systems. Results show that the controller self-tuning capability and robustness stronger than the traditional PID controller, fast response, high accuracy and false at the same time the water level has good control effect. Practice matlab.
Platform: | Size: 1248256 | Author: 赵洪森 | Hits:

[matlabMATLAB-basedControlSystemAnalysis

Description: 锅炉汽包水位控制系统是火力发电厂中的一个重要的热工控制系统,汽包水位的 控制大多采用传统PID控制方式。但是,传统PID控制器参数的整定是在获取对象数学 模型的基础上,根据某一整定规则来确定的,不能进行在线调整,难以适应锅炉汽包 水位这样一个复杂多变的控制系统,其控制效果往往难以满足要求。 本文应用模糊控制技术,设计了一种二输入三输出模糊自整定PID控制器,对锅 炉汽包水位进行控制,实现了PID参数的自适应调节。利用MATLAB对控制系统进行 仿真。结果表明,该控制器自整定能力及鲁棒性比传统PID控制器更强,响应速度快、 精度高,同时对虚假水位有较好的控制效果。-Boiler water level control system is an important thermal power plant in the thermal control system, boiler water level Control most of the traditional PID control method. However, the traditional PID controller tuning parameters for objects in mathematics Model based on the rules to determine a whole and can not be adjusted online, it is difficult to adapt to the boiler drum Water level control such a complex system, its control effect is often difficult to meet the requirements. In this paper, fuzzy control technology, designed a two input and three output fuzzy self-tuning PID controller, the pot Steam drum level control, the PID parameters to achieve the adaptive regulation. The control system using MATLAB Simulation. The results show that the controller auto-tuning capability and robustness more than the traditional PID controller, fast response, High precision, while the water level has better control of false results.
Platform: | Size: 1248256 | Author: 沉默年糕 | Hits:

[Special Effectsrobustness

Description: this document shows results of robustness of puncturedconvolutive encoder to stirmark attacks in watermarking
Platform: | Size: 7168 | Author: fat | Hits:

[Special EffectsMATLAB数字水印[dwt+dct多攻击+GUI界面]

Description: 本课题为基于MATLAB的小波变换dwt和离散余弦dct的多方法对比数字水印系统。带GUI交互界面。有一个主界面GUI,可以调用dwt方法的子界面和dct方法的子界面。流程包括,读取宿主图像和水印图像,嵌入,多种方法的攻击(剪切,加噪,旋转等),提取,最后利用psnr峰值信噪比进行评价不同攻击下,鲁棒性的好坏。(This topic is based on MATLAB wavelet transform DWT and discrete cosine DCT multi method comparison digital watermarking system. With GUI interface. There is a main interface GUI, which can call the sub interface of DWT method and DCT method. The process includes: reading host image and watermark image, embedding, attack of various methods (cutting, adding noise, rotation, etc.), extracting, and finally evaluating the robustness of different attacks by using PSNR peak signal-to-noise ratio.)
Platform: | Size: 32044032 | Author: www.wobishe.com | Hits:

[Special EffectsDCT,DWT,DFT,LSB数字水印MATLAB+GUI界面

Description: 本课题为基于MATLAB的小波变换dwt和离散余弦dct的多方法对比数字水印系统。带GUI交互界面。有一个主界面GUI,可以调用dwt方法的子界面和dct方法的子界面。流程包括,读取宿主图像和水印图像,嵌入,多种方法的攻击(剪切,加噪,旋转等),提取,最后利用psnr峰值信噪比进行评价不同攻击下,鲁棒性的好坏。(This project is based on MATLAB wavelet transform DWT and discrete cosine DCT multi method contrast digital watermarking system. With GUI interactive interface. There is a main interface GUI, which can call the sub interfaces of DWT method and DCT method. The process includes: reading host image and watermark image, embedding, attacks of various methods (cutting, adding noise, rotation, etc.), extracting. Finally, PSNR peak signal-to-noise ratio is used to evaluate the robustness of different attacks.)
Platform: | Size: 10000384 | Author: MATLAB道长 | Hits:

[matlabMATLAB数字水印[GUI,dwt,dct,lun文]

Description: 该课题为基于MATLAB的数字水印系统。包括离散余弦DCT和小波变换DWT两种算法的对比,有一个GUI界面,包括嵌入,加噪,旋转,剪切,压缩等多种攻击,提取候,具有评价指标PSNR,NC等来评价算法的鲁棒性(This project is a digital watermarking system based on MATLAB. It includes the comparison of DCT and DWT. It has a GUI interface, including embedding, noise adding, rotation, cutting, compression and other attacks, extraction, and evaluation index PSNR, NC to evaluate the robustness of the algorithm)
Platform: | Size: 20537344 | Author: 可乐一生 | Hits:
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