halcon的图像旋转(区域旋转)
关键算子:
orientation_region
vector_angle_to_rigid
affine_trans_region
测试图片:

halcon代码:
*此例子将图中没有偏移的形状参照旋转的形状进行旋转read_image (Image, 'D:/Halcon-WorkSpaces/Test/Image/test14.png')rgb1_to_gray (Image, GrayImage)*获取旋转的矩形threshold (GrayImage, Regions, 0, 0)*计算区域斜率orientation_region (Regions, Phi)*获取没有旋转的矩形threshold (GrayImage, Regions1, 100, 140)area_center (Regions1, Area, Row, Column)*创建变换模型vector_angle_to_rigid (Row, Column, 0, Row, Column, Phi, HomMat2D)*区域变换affine_trans_region (Regions1, RegionAffineTrans, HomMat2D, 'nearest_neighbor')dev_clear_window ()dev_display (RegionAffineTrans)dev_display (Regions)
效果:

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