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About bl tl tr br return by cv2.points #51

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byfate opened this issue Nov 25, 2020 · 2 comments
Closed

About bl tl tr br return by cv2.points #51

byfate opened this issue Nov 25, 2020 · 2 comments

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@byfate
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byfate commented Nov 25, 2020

I have read the code about generating the groud truth,and I visiual the image and plot bl tl tr br points in original image.
I found that the bl point is not always the bottom left. It will change with the change of x,y w,h ,theta.I am wondering if you can help me in this problem.Does it will affct the definition in the paper, I am little confused.

@byfate byfate changed the title Aoubt bl tl tr br return by cv2.points About bl tl tr br return by cv2.points Nov 25, 2020
@yijingru
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When you plot the t,r,b,l and look them in a quadrant way, then you will find it's right. You can look at Fig.2, when you rotate the box anticlockwise, the bl will become br. By the way, I don't really think the name of the vector matters, they are just four types, as long as the four types can be differentiated by ground-truth, it will be fine.

@byfate
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byfate commented Nov 26, 2020

OK I get it,appreciated. It actually will change when rotate them, thank your awesome work.

@byfate byfate closed this as completed Nov 26, 2020
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