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car-detection-bayes
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bug fix

This commit is contained in:
Glenn Jocher 2020-04-14 04:34:40 -07:00
parent 1681249588
commit 029e137bc2
1 changed files with 5 additions and 1 deletions
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6
utils/utils.py
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@ -437,13 +437,17 @@ def build_targets(p, targets, model):
tcls, tbox, indices, av = [], [], [], []
reject, use_all_anchors = True, True
gain = torch.ones(6, device=targets.device) # normalized to gridspace gain
# m = list(model.modules())[-1]
# for i in range(m.nl):
# anchor_vec = m.anchor_vec[i]
multi_gpu = type(model) in (nn.parallel.DataParallel, nn.parallel.DistributedDataParallel)
for i, j in enumerate(model.yolo_layers):
# get number of grid points and anchor vec for this yolo layer
anchor_vec = model.module.module_list[j].anchor_vec if multi_gpu else model.module_list[j].anchor_vec
# iou of targets-anchors
gain[2:] = torch.tensor(p[i].shape)[[2, 3, 2, 3]] # xyxy gain
gain[2:] = torch.tensor(p[i].shape)[[3, 2, 3, 2]] # xyxy gain
t, a = targets * gain, []
gwh = t[:, 4:6]
if nt: