halcon中difference区域相减的用法总结

张开发
2026/4/21 20:56:09 15 分钟阅读

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halcon中difference区域相减的用法总结
1、单个区域减单个区域gen_rectangle1 (Rectangle1, 30, 20, 500, 500)gen_rectangle1 (Rectangle2, 300, 200, 400, 400)difference (Rectangle1, Rectangle2, RegionDifference)2、区域数组减单个区域gen_rectangle1 (Rectangle1, 20, 20, 100, 100)gen_rectangle1 (Rectangle2, 150, 150, 300, 300)concat_obj (Rectangle1, Rectangle2, ObjectsConcat)gen_rectangle1 (Rectangle3, 50, 50, 200, 200)difference (ObjectsConcat, Rectangle3, RegionDifference)区域数组减去单个区域时会将区域数组中每个区域减去单个区域最终得到的区域个数和区域数组中区域个数相同。3、区域数组减区域数组gen_rectangle1 (Rectangle1, 20, 20, 100, 100)gen_rectangle1 (Rectangle2, 150, 150, 300, 300)concat_obj (Rectangle1, Rectangle2, ObjectsConcat1)gen_rectangle1 (Rectangle3, 50, 50, 80, 80)gen_rectangle1 (Rectangle4, 200, 200, 250, 250)concat_obj (Rectangle3, Rectangle4, ObjectsConcat2)difference (ObjectsConcat1, ObjectsConcat2, RegionDifference)区域数组减去区域数组时ObjectsConcat2这个区域数组中的区域会首先通过Union1形成一个暂时的组合起来的区域然后ObjectsConcat1这个区域数组中的每个区域会减去ObjectsConcat2组合成的区域最终形成的区域个数还是和ObjectsConcat1这个区域数组中区域个数一致。

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