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ultralytics 8.0.89 SAM predict and auto-annotate (#2298)

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This commit is contained in:
Glenn Jocher
2023-04-28 00:36:50 +02:00
committed by GitHub
parent 3e118f6170
commit 243fc4b1fe
44 changed files with 2915 additions and 440 deletions
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9
ultralytics/yolo/v8/detect/predict.py
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@ -9,13 +9,6 @@ from ultralytics.yolo.utils import DEFAULT_CFG, ROOT, ops
class DetectionPredictor(BasePredictor):
def preprocess(self, img):
"""Convert an image to PyTorch tensor and normalize pixel values."""
img = (img if isinstance(img, torch.Tensor) else torch.from_numpy(img)).to(self.model.device)
img = img.half() if self.model.fp16 else img.float() # uint8 to fp16/32
img /= 255 # 0 - 255 to 0.0 - 1.0
return img
def postprocess(self, preds, img, orig_imgs):
"""Postprocesses predictions and returns a list of Results objects."""
preds = ops.non_max_suppression(preds,
@ -30,7 +23,7 @@ class DetectionPredictor(BasePredictor):
orig_img = orig_imgs[i] if isinstance(orig_imgs, list) else orig_imgs
if not isinstance(orig_imgs, torch.Tensor):
pred[:, :4] = ops.scale_boxes(img.shape[2:], pred[:, :4], orig_img.shape)
path, _, _, _, _ = self.batch
path = self.batch[0]
img_path = path[i] if isinstance(path, list) else path
results.append(Results(orig_img=orig_img, path=img_path, names=self.model.names, boxes=pred))
return results