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modified the flip augmentation part #9

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modified the flip augmentation part #9

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10 changes: 7 additions & 3 deletions BoundingBoxAugmenters.py
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Original file line number Diff line number Diff line change
Expand Up @@ -382,12 +382,14 @@ def horizontalFlip(self, frame = None, boundingBoxes = None):
raise TypeError("ERROR: Bounding boxes parameter has to be of type list.")
# Local variables
localFrame = frame[:, :, :]
# Copy of Local variables
tmpFrame = localFrame.copy()
# Flip only the pixels inside the bounding boxes
for bndbox in boundingBoxes:
# Decode bounding box
ix, iy, x, y = bndbox
# Flip ROI
roi = cv2.flip(localFrame[iy:y, ix:x, :], 1)
roi = cv2.flip(tmpFrame[iy:y, ix:x, :], 1)
localFrame[iy:y, ix:x, :] = roi
return localFrame

Expand All @@ -410,12 +412,14 @@ def verticalFlip(self, frame = None, boundingBoxes = None):
raise TypeError("ERROR: Bounding boxes parameter has to be of type list.")
# Local variables
localFrame = frame[:, :, :]
# Copy of Local variables
tmpFrame = localFrame.copy()
# Flip only the pixels inside the bounding boxes
for bndbox in boundingBoxes:
# Decode bounding box
ix, iy, x, y = bndbox
# Flip ROI
roi = cv2.flip(localFrame[iy:y, ix:x, :], 0)
# Flip ROI in Local variables
roi = cv2.flip(tmpFrame[iy:y, ix:x, :], 0)
localFrame[iy:y, ix:x, :] = roi
return localFrame

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2 changes: 1 addition & 1 deletion BoundingBoxAugmenters_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -179,7 +179,7 @@ def test_horizontal_flip(self):

def test_vertical_flip(self):
if (self.visualize):
# Perform horizontal flip.
# Perform vertical flip.
frame = self.augmenter.verticalFlip(frame = self.frame.copy(),
boundingBoxes = self.bndboxes)
# Visualization.
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