xin_feeder_baidu.py file

[lzx-buaa]

Hi Xin,
Thank you very much for your paper and code. It is very helpful and inspirational.
When I learn your code of "xin_feeder_baidu.py" file, there are questions about the line 64-79:
Why do you use the angle_mat to multiply the xy and xy_mean?
And why should make sure the angle is greater or equal to pi and it is a random value?
Why construct the angle_mat and why adopt that form of angle_mat in the code?
Thank you again and we look forward to hearing from you.

[xincoder]

Hi @lzx-buaa , thank you so much for your interest in my work. 1. The code you mentioned (xin_feeder_baidu.py line64-79) is data augmentation only for training (if statement line64). The purpose is to rotate all objects in the current scene at the same angle. 2. np.random.random() generates [0,1] values, as I mentioned above, we want to randomly rotate the entire scene, thus, we want to generate an angle with [0, 2*pi] range. Again, this part of my code is only for data augmentation while training. Hope it answers your questions.

[lzx-buaa]

Thank you for the detailed explanation. I have handled this issue.