about random_jitter

[foralliance]

@luxiin
@siyuanren
Why random_jitter?? What is the purpose of this??

[luxiin]

It helps grid branch more robust to diverse proposals.

[foralliance]

@luxiin
Random_jitter changes the position and size of the positive samples in the picture with a small proportion. so it increases the diversity of the positive samples.
Is that right?

Thanks!

[luxiin]

@foralliance that's right.

[foralliance]

@luxiin
Thanks!!

Another question.
About ground truth of grid branch, could you describe it in more detail??