▍1. Jerman增强滤波器 可行
说明: 基于hessian矩阵的眼底图像血管增强滤波(Vessel Enhanced Filtering of Eyeground Images Based on Hessian Matrix)
说明: 基于hessian矩阵的眼底图像血管增强滤波(Vessel Enhanced Filtering of Eyeground Images Based on Hessian Matrix)
多目标遗传算法,很好的源代码,实现多输入多输入参数条件下的最优化(Multi-objective genetic algorithm, a very good source code, achieve multiple-input multiple-input parameters optimized under the conditions of)
SAR图像的非相干cloude分解,最后得到熵值、散射角、反熵。合成三色彩色图,最终将结果显示出来。(SAR image non coherent cloude decomposition , finally entropy,scatter degree were obtaind.)
说明: 结合雷达RCS回波数据,在matlab中生成ISAR二维图像,以及距离像方位像(Combined with radar RCS echo data, ISAR two-dimensional image and range profile azimuth image are generated in MATLAB)
matlab本身不带yuv视频读取函数,此函数读取并转换为RGB格式保存(Matlab itself does not have the yuv video reading function, which is read and converted to RGB format)
atrous NSCT图像融合算法 可直接使用 带有实验测试图(atrous NSCT image fusion )
医学图像分割是数字图像分析中的重要环节,是长期以来国内外研究的热点问题,本代码专注于血管图像领域的分割。(Medical image segmentation is an important part of digital image analysis, is a hot topic at home and abroad for a long time, this code is to focus on areas of blood vessel image segmentation method.)
一种区域生长算法,用于图像分割。自动选择种子点。(A Region Growth Algorithm for Image Segmentation)
冲击噪声识别和消除的新算法,可以消除高达95 的冲击噪声,可用于毫米波成像等高脉冲噪声的恶劣环境(A novelt impulse noise removal algorithm which can work under the circumustance that the noise ratio reaches to 95 . )
用matlab实现levelset水平集分割图像!(levelset to fen ge Image ag dag gf a ga ga h agr d we v g)
说明: 小波变换是图像的多尺度、多分辨率分解,它可以聚焦到图像的任意细节,被称为数学上的显微镜。近年来,随着小波理论及其应用的发展,已将小波多分辨率分解用于像素级图像融合。把两个正交偏振的图片融合(Wavelet transform is the multi-scale and multi-resolution decomposition of an image. It can focus on any detail of the image and is called the mathematical microscope.In recent years, with the development of wavelet theory and its applications, wavelet multi-resolution decomposition has been applied to pixel-level image fusion)
实现DCT变换和FFT变换的图像压缩, 比较两者性能的差异(The DCT transform and FFT transform image compression)
说明: 全变分模型主要是依靠梯度下降流岁图像进行平滑处理的模型,希望在图像的内部对图像进行平滑,使得相邻像素的差值较小(The total variation model is mainly based on the gradient descent flow year image smoothing model, hoping to smooth the image inside the image, so that the difference between adjacent pixels is small)
多光谱成像,压缩编码孔径成像,数据立方体获取,图像重建(multispectral CCA imaging)
该Matlab程序能够去除CT扫描得到的图像的环形伪影(The Matlab program is capable of removing ring artifacts from images obtained by CT scans)
说明: 1.学习使用fft2,ifft2,fftshift,ifftshift函数。用fft2函数对”lena.bmp”做二维傅立叶变换,并显示其频谱,用fftshift函数将频谱坐标原点移动到图像中心。用ifft2函数做傅立叶反变换。(提示:显示频谱时,可以先对频谱取对数,这样可以压缩动态范围很大的频谱,获得更好的显示效果)(1. Learn to use fft2, ifft2, fftshift, ifftshift functions. With the FFT 2 function, the lena.bmp'The two-dimensional Fourier transform is performed and the spectrum is displayed. The origin of the spectrum coordinate is moved to the center of the image by using the FFT shift function. The inverse Fourier transform is done with ifft2 function. (Note: when displaying the spectrum, the logarithm of the spectrum can be taken first, so that the spectrum with a large dynamic range can be compressed to obtain better display effect.))
说明: 1.使用medfilt2函数对‘lena.bmp’进行不同模板大小的中值滤波,并观察效果 2.使用fspecial函数构造‘gaussian’, ‘sobel’, ‘prewitt’, ‘laplacian’, ‘average’等不同滤波算子,使用filter2函数对‘cameraman.tif ’进行滤波,观察不同滤波器的效果 3.设计频域理想低通和理想高通滤波器,对‘phantom.bmp’图像进行频域滤波,显示滤波结果。然后改变截止频率,观察对结果的影响。 4.对‘homo.bmp’进行同态滤波,其中频域同态滤波器自行设计。要求在程序注释中说明你设计该滤波器的思想。(1' lena.bmp 'The median filtering with different template sizes was carried out and the effect was observed2. Fsspecial function is used to construct different filter operators such as' Gaussian ',' Sobel ',' Prewitt ',' Laplacian ',' average ', etc' cameraman.tif 'Filter and observe the effect of different filters3. Design ideal low pass and ideal high pass filters in frequency domain' phantom.bmp 'The image is filtered in frequency domain and the filtering result is displayed. Then change the cut-off frequency and observe the effect on the results.4. Yes' homo.bmp 'The homomorphic filter is designed by ourselves. The idea of designing the filter should be explained in the program notes.)
将Radarsat2极化SAR图像数据转换为散射矩阵及相干矩阵T3的matlab代码,附上的图像文件是用Enviview软件截取转存的各通道实部虚部文件,以及lutsigma.xml查找表文件.作者辛苦所做,希望对SAR初学者有所帮助.(Will Radarsat2 polarization SAR image data is converted to T3 scattering matrix and the coherent matrix of matlab code, the attached image file is transferred Enviview software maintained by the interception of the real part imaginary part of the channel files, and lutsigma.xml lookup table file. Of the hard done, in the hope SAR to help beginners.)