[英]How do I know which argument throws an exception in Python (with OpenCV)?
Python(带有OpenCV)抛出以下TypeError。 但是我不知道哪个论点在抛出它。 我怎么知道?
Traceback (most recent call last):
File "u.py", line 18, in <module>
out = unravel2(img,pupil)
File "/home/chris/code/opencv/iris/support.py", line 57, in unravel2
cv2.logPolar(img, out, center, cv2.WARP_FILL_OUTLIERS)
TypeError: a float is required
对于背景,这是我的代码:
def unravel2(img, pupil):
out = np.zeros((max_radius-min_radius,720,3), np.uint8)
center = (297.5,234.5)
cv2.logPolar(img, out, center, cv2.WARP_FILL_OUTLIERS)
return out
您得到了logPolar的args错误(可能来自较旧的cv api包装器)
>>> import cv2
>>> help(cv2.logPolar)
Help on built-in function logPolar in module cv2:
logPolar(...)
logPolar(src, center, M, flags[, dst]) -> dst
(M是有问题的浮点数)
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