使用Halcon 理解矩阵平移和旋转

最新推荐文章于 2024-09-28 09:37:17 发布

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最新推荐文章于 2024-09-28 09:37:17 发布 · 2.3k 阅读

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这篇博客通过Halcon演示了如何进行矩阵旋转和平移操作，首先展示了先旋转后平移的矩阵变换，然后解释了先平移后旋转的效果，并探讨了不同旋转中心对结果的影响，提供了具体的代码示例。

dev_open_window(0, 0, 512, 512, 'black', WindowHandle)
dev_set_draw('margin')

draw_region(Region, WindowHandle)
smallest_rectangle2(Region, Row, Column, Phi, Length1, Length2)
gen_rectangle2(Rectangle, Row, Column, Phi, Length1, Length2)

hom_mat2d_identity (HomMat2DIdentity)
hom_mat2d_rotate (HomMat2DIdentity, -0.2, -100, -100, HomMat2DRotate)
affine_trans_region (Region, RegionAffineTrans, HomMat2DRotate, 'nearest_neighbor')
move_region(RegionAffineTrans, RegionMoved2, -10, -10)
smallest_rectangle2(RegionMoved2, Row2, Column2, Phi2, Length12, Length22)
gen_rectangle2(Rectangle2, Row2, Column2, Phi2, Length12, Length22)

*先旋转再平移

hom_mat2d_identity (HomMat2DIdentity)
hom_mat2d_rotate (HomMat2DIdentity, 0.2, -100, -100, HomMat2DRotate)
hom_mat2d_translate(HomMat2DRotate, 10, 10, HomMat2DTranslate)
affine_trans_region (Rectangle2, RegionAffineTrans2, HomMat2DRotate, 'nearest_neighbor')