Comments (2)
这个function可以判断矩形1的四个角是否落在矩形2之内。
核心问题是判断单独一个点是不是落在一个矩形内。因为矩形的内角都是直角,只需要判断该点在矩形相邻两条边的投影是否落在线段内就可以。实现的时候使用了向量的内积。具体的讲解参考这里:https://math.stackexchange.com/questions/2157931/how-to-check-if-a-point-is-inside-a-square-2d-plane
剩下的事情就是用张量化的**,让这个function可以并行计算BxN对矩形。
from rotated_iou.
这个function可以判断矩形1的四个角是否落在矩形2之内。
核心问题是判断单独一个点是不是落在一个矩形内。因为矩形的内角都是直角,只需要判断该点在矩形相邻两条边的投影是否落在线段内就可以。实现的时候使用了向量的内积。具体的讲解参考这里:https://math.stackexchange.com/questions/2157931/how-to-check-if-a-point-is-inside-a-square-2d-plane
剩下的事情就是用张量化的**,让这个function可以并行计算BxN对矩形。
thank you
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Related Issues (20)
- ModuleNotFoundError: No module named 'sort_vertices'
- box_intersection_2d 中的box1_in_box2存在bug, box1_in_box2(box1,box1), 在特定数据下返回的不是[true,true,true,true] HOT 1
- 在做批量的旋转iou计算时,计算的inter_area会出现nan值,导致loss变为nan,但是在把计算为nan的两个box的x,y,w,h,angle提出来单个计算的话就会出现正常的inter_area。请问这是什么原因导致的呢,还请解答 HOT 7
- is this result correct? HOT 2
- Inaccurate IoU in some cases HOT 8
- Wrong IoU calculation when corners are smaller than 0 HOT 6
- Yolact
- About the 2D coordinates (x, y, w, h, alpha) HOT 2
- 请教大佬代码实现问题 HOT 2
- Please Help HOT 1
- warning: missing return statement at end of non-void function "compare_vertices" HOT 6
- debug版本报错 HOT 3
- a problem when using 3d-giou for regression training HOT 2
- 大佬,求助,CUDA out of memory HOT 12
- inf bbox loss when using cal_giou_3d ( but the iou is right)
- Batch computation for IoU Loss HOT 1
- debug版本和老的版本计算结果不一致
- 为什么input shape是 B,N,4,2?
- Segmentation fault
- `np.bool` was a deprecated alias for the builtin `bool`.
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