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duishujizuobiaobianhuanjifanbinahuan
- 极坐标，对数极坐标变换及其反变换分类:matlab与图像处理-polar coordinates, very few of coordinate transformation and its inverse transform Categories : MATLAB and Image Processing
improved_gaborfilter
- Bi-dimensional Gabor filter with DC component compensation This version of the 2D Gabor filter is basically a bi-dimensional Gaussian function centered at origin (0,0) with variance S modulated by a complex sinusoid with polar frequency (F,W) an
imgpolarcoord
- converts a given image from cartesian coordinates to polar coordinates. 此code可以将一个Iris image变成一个polar coordinates image
二值商标图像检索文章
- 基于极坐标和傅里叶描述子的二值商标图像检索,Based on polar coordinates and Fourier descr iptors Binary Trademark Image Retrieval
guiyihua.rar
- 虹膜归一化的代码，只要给出定位好的虹膜图片，就可以很好的进行归一化，使用的极坐标变换。,Normalized iris code, as long as the position is given a good iris image, you can be a good uniform, the use of the polar coordinate transformation.
LHimlogpolar.rar
- 用于实现对数极坐标变换的程序，在图像处理中对于旋转、缩放的图像如果需要得到其参数的话，需先进行对数极坐标变换，然后进行相位相关法计算。,for Computing logarithmic polar transformation of image
imgpolarcoord
- 图像笛卡尔坐标转极坐标，下视景像匹配制导中，实时图和基准图的拍摄高度、方位和图像比例尺不完全一致，两图的轮廓形状存在旋转和变形等差异，边缘特征提取方法受图像灰度分布影响存在变形和移位，易导致匹配错误。用侧抑制竞争方法，图像边缘特征提取快速准确，不发生移位，对灰度变化也不敏感，再用扩展边缘特征法，克服轮廓变形对边缘匹配的影响。在此基础上，引入对数极坐标变换，进一步提高图像的抗旋转和尺度收放的匹配精度。结果表明，此方法模型简单、抗几何变形能力强且便于实现。-Cartesian coordinates
duishujizuobiao
- 标准的对数极坐标变换，可用于图像处理中的抵抗旋转变换，笔者耗费心血的改进算法非常实用！-Standard log-polar coordinate transformation, can be used for image processing to resist rotation transformation, the author spent painstaking efforts of the improved algorithm is very practical!
log
- 对一幅图实现取对数，可以用于同态滤波函数的编写-Implementation of a picture taken of the number of homomorphic filtering can be used in the preparation of function
myhough_1degree
- Hough算法检测矩形的长，并给出矩形的四个顶点坐标，极坐标中角度精度为1度。-Hough algorithm Detect long rectangle, and give the four vertices of rectangular coordinates, polar coordinates in the perspective of an accuracy of 1 degree.
filter
- 用函数butter、cheby1、cheby2得到Butterworth和Chebyshev滤波器，用函数filter进行滤波。-Polar coordinate transformation, can be used for image template matching, can also be used for video tracking algorithm
MSChart
- 该例子通过labview调用微软图形对象模型来创建图形。-This example uses the Microsoft Chart Object Model to create charts. The MSChart is a ActiveX control. ActiveX container is used in LabVIEW to invoke properties and methods on the object. MSChart object is a part of M
jizuobiao
- 极坐标和平面坐标的转换，在图像处理中可以很好解决在一个坐标下不能解决的问题。-Polar coordinates and plane coordinates conversion, in image processing can be solved in a coordinate system can not solve the problem.
5-4
- 将图像映射到极坐标，此程序可以用来模拟人来的中央视觉，并可以用于物体跟踪方面的尺度及选旋转不变的模板的快速匹配-The image is mapped to polar coordinates, this procedure can be used to simulate people to the central vision, and can be used for object tracking in scale and rotation invariant template of the
log-polar-transform
- 很简单的对数极坐标变换程序，代码编写较为规矩，很容易看懂-Here is a log-polar image transform code,it s quite easy to read .
Log-Polar-Transform-TXT
- 最近编写了一些极对数坐标转换的程序，这是最初编写的那个，希望对你们有用-Here is a log-polar image transform code.
polar
- 将一幅图像以任意像素点为圆心任意长度为半径做极坐标展开变换-Commence transform an image in any pixel is the center of any length radius in polar coordinates
Polar-FFT
- 计算图像在极坐标下的傅里叶变化 Matlab代码-Compute Polar Fourier Transform of images
VCPP-image-chang-to-polar
- 对图像进行直角坐标到极坐标的变化，极坐标到直角坐标的变换，压缩包含有测试图像。-Cartesian coordinates of the image to change polar coordinates, polar coordinates to Cartesian coordinate transformation, compression test image contains.
polar-coordinate-transformation
- 将图像从笛卡尔坐标系上转换到对数极坐标上，这样做便于将笛卡尔坐标系上存在缩放和旋转关系的图像转换成对数极坐标下的具有平移关系的图像，然后就可以用相位相关检测算法进行相关检测，得到两幅图像的相关性-Convert an image Cartesian to polar coordinates on a logarithmic, this facilitates the translation relations image with the next image conversion to a