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基于Matlab GUI的图像的DCT，自由调节压缩率，计算峰值信噪比，并图形化对比还原图像-Matlab GUI for image-based DCT, freely adjust compression rates, the peak signal to noise ratio, and reduction of image contrast graphic
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IMAGE AREA Automatically measure the local contrast s performance and IMAGE SNR measures Signal to Noise Ratio in an image
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Ultrasound Speckle Reduction Using Coded Excitation and Pulse Compression
Ultrasound images are riddled with system dependent imperfections called speckle (multiplicative noise). In ultrasonic imaging, detection of small lesions could be difficu
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本源代码是自己编写的关于图像小目标的检测（matlab版），其中包括对不同对比度、信噪比下的图像小目标进行检测。-The source code is written about the image of his small target detection (matlab edition), including the different contrast, signal-to-noise ratio of image detect small targets.
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图像处理，关于图像的打开，读取，各种量化，以及不同量化的之间的对比，性噪比，以及画图。-Image processing on the image to open, read the various quantization, and the contrast between the different quantization-noise ratio, and drawing.
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MIMO技术，信噪比SNR和误码率BER的关系对比图像，MATLAB仿真程序代码-MIMO technology, signal-to-noise ratio SNR and bit error rate (BER) the relationship between contrast images, MATLAB simulation program code
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采用压缩比和信噪对压缩效果进行评价。主要从是否含有噪声和图像格式不同两方面对比，评价图像压缩效果。-Compression ratio and signal-to-noise compression were evaluated. Contrast mainly from the presence of noise and image formats, the evaluation image compression effect.
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用matlab编程工具，编写具有操作界面的应用程序，通过菜单、对话框，选项框等界面控制，对算法进行演示。需要在应用系统中实现的算法及功能包括：
1、图像增强算法
（1）灰度线形变换：亮度及对比度可以调节（通过控制参数的改变，能够实时预览变化结果）；
（2）直方图均衡：可在界面上对比均衡前后的效果。
2、图像变换算法
（3）对一幅彩色图像进行DCT变换和反变换，对比结果和原图；
（4）仅保留左上角16X16的DCT系数，进行反变换，计算结果图的信噪比SNR。
3、图像分
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一种改进的小波gorrant阈值处理消除噪声程序。并且比较了硬处理，软处理的对比信噪比和均方误差值的大小。-An improved wavelet gorrant threshold processing to eliminate the noise. And compared the hard processing, the contrast of soft handle signal-to-noise ratio and the size of the mean square error (
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FBMC和OFDM的对比，运用PPN结构实现FBMC，最后包含信噪比/误码率的比较。实验结果比较准确(FBMC and OFDM contrast, the use of PPN structure to achieve FBMC, and finally contains a signal-to-noise ratio / error rate comparison. The experimental results are more accurate)
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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 co
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