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car-detection-bayes
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Empty label file may cause index error

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WannaSeaU 2019-03-22 18:59:09 +08:00 committed by GitHub
parent 476724be2d
commit cd188dbde6
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1 changed files with 10 additions and 7 deletions
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17
utils/datasets.py
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@ -141,13 +141,16 @@ class LoadImagesAndLabels(Dataset): # for training/testing
with open(label_path, 'r') as file: with open(label_path, 'r') as file:
lines = file.read().splitlines() lines = file.read().splitlines()
labels0 = np.array([x.split() for x in lines], dtype=np.float32) labels0 = np.array([x.split() for x in lines], dtype=np.float32)
# If label file is empty
# Normalized xywh to pixel xyxy format if labels0.size is 0:
labels = labels0.copy() labels = np.array([])
labels[:, 1] = ratio * w * (labels0[:, 1] - labels0[:, 3] / 2) + padw else:
labels[:, 2] = ratio * h * (labels0[:, 2] - labels0[:, 4] / 2) + padh # Normalized xywh to pixel xyxy format
labels[:, 3] = ratio * w * (labels0[:, 1] + labels0[:, 3] / 2) + padw labels = labels0.copy()
labels[:, 4] = ratio * h * (labels0[:, 2] + labels0[:, 4] / 2) + padh labels[:, 1] = ratio * w * (labels0[:, 1] - labels0[:, 3] / 2) + padw
labels[:, 2] = ratio * h * (labels0[:, 2] - labels0[:, 4] / 2) + padh
labels[:, 3] = ratio * w * (labels0[:, 1] + labels0[:, 3] / 2) + padw
labels[:, 4] = ratio * h * (labels0[:, 2] + labels0[:, 4] / 2) + padh
else: else:
labels = np.array([]) labels = np.array([])