polar_trans_image_ext将图像Image中 以中点(Row, Column)、半径RadiusStart和RadiusEnd以及 角度Angle...
结束弧度 *参数7:极坐标开始的极长,一般是0 *参数8:极坐标结束的极长,一般是圆半径r *参数9:图片宽,一般2πr *参数10:图片高【r】 *参数11:插值,值列表:'bilinear', 'nearest_neighbor' dev_open_window(0,0,2*3.1415*Radius,Radius,'black',WindowHandle1) disp_obj (PolarTransImage, WindowHandle...
get_image_size (Image, Width, Height) *宽可以看做周长,高可以看成半径r d:=Width/3.1415 *直径 polar_trans_image_inv (Image, XYTransImage, Height, Height, 0, 6.28319, 0, Height, d, d, 'nearest_neighbor') *将极坐标中的图像转换回笛卡尔坐标--直线变成圆环 *参数1:输入图像 *参数2:输出图...
polar_trans_image(ImageXY : ImagePolar : Row, Column, Width, Height : ) Descriptionpolar_trans_image transforms an image in cartesian coordinates to an image in polar coordinates. The size of the resulting image is selected with Width and Height. Width determines the angular resolution, while ...
polar_trans_image(ImageXY : ImagePolar : Row, Column, Width, Height : ) Descriptionpolar_trans_image transforms an image in cartesian coordinates to an image in polar coordinates. The size of the resulting image is selected with Width and Height. Width determines the angular resolution, while ...
,先要用算子PolarTransImageExt将圆弧转换为矩形, 这样才能被算子FindBarCode识别到。 下边讲解下流程: 1、提取出圆弧条码的半径区域和识别角度(一般为360度); 2、圆弧转换为矩形; 3、条码和背景颜色转换下,放大一倍图像; 4、识别条码,得到条码矩形区域; ...
图像增强(emphasize illuminate, scale_image_max)和极坐标转换(polar_trans_image),程序员大本营,技术文章内容聚合第一站。
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The call: polar_trans_image(Image, PolarTransImage, Row, Column, Width, Height) produces the same result as the call: polar_trans_image_ext(Image, PolarTransImage, Row-0.5, Column-0.5, 6.2831853, 6.2831853/Width, 0, Height-1, Width, Height, 'nearest_neighbor') ...
polar_trans_image_ext(Image, PolarTransImage, Row-0.5, Column-0.5, 6.2831853, 6.2831853/Width, 0, Height-1, Width, Height, 'nearest_neighbor') The offset of 0.5 is necessary sincepolar_trans_imagedoes not do exact nearest neighbor interpolation and the radii and angles can be calculated usin...