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car-detection-bayes
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updates

This commit is contained in:
Glenn Jocher 2019-07-20 18:46:51 +02:00
parent bb80db54b7
commit 0448d1109f
1 changed files with 12 additions and 14 deletions
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26
utils/datasets.py
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@ -177,20 +177,18 @@ class LoadImagesAndLabels(Dataset): # for training/testing
# Rectangular Training https://github.com/ultralytics/yolov3/issues/232
if self.rect:
# Read image shapes
s = np.array([exif_size(Image.open(f)) for f in tqdm(self.img_files, desc='Reading image shapes')],
dtype=np.float64)
# sp = 'data' + os.sep + path.replace('.txt', '.shapes').split(os.sep)[-1] # shapefile path
# if not os.path.exists(sp): # read shapes using PIL and write shapefile for next time (faster)
# s = [exif_size(Image.open(f)) for f in tqdm(self.img_files, desc='Reading image shapes')]
# np.savetxt(sp, s, fmt='%g')
#
# try:
# with open(sp, 'r') as f: # read existing shapefile
# s = np.array([x.split() for x in f.read().splitlines()], dtype=np.float64)
# assert len(s) == n, 'Shapefile out of sync'
# except:
# os.remove(sp)
# print('Shapefile deleted: %s. Please rerun again.' % sp)
sp = 'data' + os.sep + path.replace('.txt', '.shapes').split(os.sep)[-1] # shapefile path
if not os.path.exists(sp): # read shapes using PIL and write shapefile for next time (faster)
s = [exif_size(Image.open(f)) for f in tqdm(self.img_files, desc='Reading image shapes')]
np.savetxt(sp, s, fmt='%g')
try:
with open(sp, 'r') as f: # read existing shapefile
s = np.array([x.split() for x in f.read().splitlines()], dtype=np.float64)
assert len(s) == n, 'Shapefile out of sync'
except:
os.remove(sp)
print('Shapefile deleted: %s. Please rerun again.' % sp)
# Sort by aspect ratio
ar = s[:, 1] / s[:, 0] # aspect ratio