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Use serial programming examples matlab GUI implementation, FIG simulation speed, distance, amplitude three-dimensional image, Fractional Fourier transform computing.
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MATLAB实现图像纹理特征提取:自相关函数法、灰度共生矩阵、分数阶傅里叶变换。GUI界面。运行后可自定义自相关函数的x和y轴偏移,灰度共生矩阵的距离和角度,分数阶傅里叶变换的阶数。输出相应的特征图。(MATLAB realize image texture feature extraction: autocorrelation function method, gray co-occurrence matrix, fractional Fourier transform. GUI interf
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Based on wavelet transform digital watermarking algorithm matlab code, Clustering analysis based on Euclidean distance, It has a wealth of parameter options.
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Matching Pursuit and orthogonal matching pursuit, Calculation of the Euclidean distance between the two matrices, Gabor wavelet transform and PCA face recognition code.
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Clustering analysis based on Euclidean distance, Gabor wavelet transform and PCA face recognition code, Through repeated training TgKvpCIlate have higher recognition rate.
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Clustering analysis based on Euclidean distance, Gabor wavelet transform and PCA face recognition code, Can dynamically adjust the parameters of the operating environment.
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FIG simulation speed, distance, amplitude three-dimensional image, Combined with PCA scale invariant feature transform (SIFT) algorithm, Two-way PCS control simulation.
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根据现有的程序,对两幅图像分别进行二维小波变换,分别对变换后得到的水平,垂直以及对角细节子带的小波系数进行直方图统计,然后用广义高斯函数去近似三个直方图,分别得到尺度参数和形状参数,求出对应图像的KL距离。(According to the existing programs, the two images respectively, two-dimensional wavelet transform respectively to levels after transformation, ve
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对输入的原始数据qqqq4444,qqqq4444数据需自己手动输入,进行低通滤波,然后进行快速傅里叶变换,最后算出距离(For input raw data, qqqq4444, qqqq4444 data need to be manually input, low-pass filtering, and then fast Fourier transform, and finally calculate the distance)
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IDW inverse distance weighting method, Foreign model is finished, Based on wavelet transform digital watermarking algorithm matlab code.
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实现了利用傅里叶变换求两张图像平移距离;
输入是两张具有平移关系的图片;
输出distancex,distancey表示求得的平移距离(The Fourier transform is used to calculate the translation distance of two images.
The input is two images with a translation relationship.
The output distancex, distancey repres
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利用霍夫变换提取直线方程,然后计算平面直线距离(Using Hough transform to extract the linear equation and then calculate the plane line distance)
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利用二次傅里叶变换的方法计算图像经透镜后在指定距离的光屏上所成的像(Two times Fourier transform is used to calculate the image of the image after the lens is placed on the optical screen at the specified distance.)
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利用傅里叶变换卷积的方法计算图像经透镜后在指定距离的光屏上所成的像(Fourier transform convolution method is applied to calculate the image of the image after the lens is placed on the optical screen at the specified distance.)
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对回波信号进行傅里叶变化,进而提取出距离信息(Performing Fourier transform on echo signals to extract distance information)
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(1) 读取图片 ,转换为灰度图像;
(2) 对 view1.png view1.png view1.png view1.png和 View5 .png .png 将图像 按照 4x4 像素 /方格 的形式 进行 分块;
(3) 考虑 边缘的相对稳定 性,以及 双目 成像 视差 规律 ,在第一幅图像分割得 到的块图像周围 20 个像素 个像素 的距离区间内由近到远进行搜索,寻找 与该块 欧氏距离最近的块作为新位置 ;
(4) 计算 视差 ,将每个小块 中代表点 的视差 信息转换到整个 区间
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波数域算法又称为距离徙动算法(Range Migration Algorithm,RMA)或-算法,由Cafforio等提出。该算法分析距离处理后信号的二维频谱,通过二维频域匹配滤波进行相位补偿,在完成方位聚焦的同时完全校正距离徙动。由于其中的Stolt变换能克服SAR信号中距离徙动和SRC对斜距的依赖,因此波数域算法是一种理想的成像算法,尤其在处理大斜视角和长合成孔径的SAR数据时。但Stolt变换需要插值,降低了处理效率并引入额外的误差。(The wavenumber domain Algo
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