def contours(self):
if self._contours is None:
self._contours = []
try:
contours, hierarchy = cv2.findContours(self.ndarray, cv2.RETR_TREE, cv2.CHAIN_APPROX_TC89_KCOS)
for contour in contours:
self._contours.append(sharkcv.Contour(contour))
except:
pass
return self._contours
# Filter contours by any sharkcv.Contour property
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