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Fix save_json(predn, batch) (#105)

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
This commit is contained in:
Glenn Jocher
2022-12-27 18:42:36 +01:00
committed by GitHub
parent 8b6466f731
commit 38d6df55cb
2 changed files with 18 additions and 23 deletions
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6
ultralytics/yolo/engine/validator.py
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@ -109,9 +109,6 @@ class BaseValidator:
self.plot_val_samples(batch, batch_i)
self.plot_predictions(batch, preds, batch_i)
if self.args.save_json:
self.pred_to_json(preds, batch)
stats = self.get_stats()
self.check_stats(stats)
self.print_results()
@ -126,8 +123,7 @@ class BaseValidator:
with open(str(self.save_dir / "predictions.json"), 'w') as f:
self.logger.info(f"Saving {f.name}...")
json.dump(self.jdict, f) # flatten and save
stats = self.eval_json(stats)
stats = self.eval_json(stats) # update stats
return stats
def get_dataloader(self, dataset_path, batch_size):

35
ultralytics/yolo/v8/detect/val.py
View File

@ -71,7 +71,7 @@ class DetectionValidator(BaseValidator):
def update_metrics(self, preds, batch):
# Metrics
for si, (pred) in enumerate(preds):
for si, pred in enumerate(preds):
labels = self.targets[self.targets[:, 0] == si, 1:]
nl, npr = labels.shape[0], pred.shape[0] # number of labels, predictions
shape = batch["ori_shape"][si]
@ -103,11 +103,11 @@ class DetectionValidator(BaseValidator):
self.confusion_matrix.process_batch(predn, labelsn)
self.stats.append((correct_bboxes, pred[:, 4], pred[:, 5], labels[:, 0])) # (conf, pcls, tcls)
# TODO: Save/log
'''
if self.args.save_txt:
save_one_txt(predn, save_conf, shape, file=save_dir / 'labels' / f'{path.stem}.txt')
'''
# Save
if self.args.save_json:
self.pred_to_json(predn, batch["im_file"][si])
# if self.args.save_txt:
# save_one_txt(predn, save_conf, shape, file=save_dir / 'labels' / f'{path.stem}.txt')
def get_stats(self):
stats = [torch.cat(x, 0).cpu().numpy() for x in zip(*self.stats)] # to numpy
@ -197,18 +197,17 @@ class DetectionValidator(BaseValidator):
fname=self.save_dir / f'val_batch{ni}_pred.jpg',
names=self.names) # pred
def pred_to_json(self, preds, batch):
for i, f in enumerate(batch["im_file"]):
stem = Path(f).stem
image_id = int(stem) if stem.isnumeric() else stem
box = ops.xyxy2xywh(preds[i][:, :4]) # xywh
box[:, :2] -= box[:, 2:] / 2 # xy center to top-left corner
for p, b in zip(preds[i].tolist(), box.tolist()):
self.jdict.append({
'image_id': image_id,
'category_id': self.class_map[int(p[5])],
'bbox': [round(x, 3) for x in b],
'score': round(p[4], 5)})
def pred_to_json(self, predn, filename):
stem = Path(filename).stem
image_id = int(stem) if stem.isnumeric() else stem
box = ops.xyxy2xywh(predn[:, :4]) # xywh
box[:, :2] -= box[:, 2:] / 2 # xy center to top-left corner
for p, b in zip(predn.tolist(), box.tolist()):
self.jdict.append({
'image_id': image_id,
'category_id': self.class_map[int(p[5])],
'bbox': [round(x, 3) for x in b],
'score': round(p[4], 5)})
def eval_json(self, stats):
if self.args.save_json and self.is_coco and len(self.jdict):