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replaced arctan with arctan2

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Brian Holt
2011-09-17 18:57:36 +01:00
parent 55c77b54df
commit 0d50582ccb
1 changed files with 2 additions and 2 deletions
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scikits/image/feature/hog.py
+2 -2
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@@ -4,7 +4,7 @@
"""
import numpy as np
from scipy import sqrt, pi, arctan, cos, sin
from scipy import sqrt, pi, arctan2, cos, sin
def hog(image, n_orientations=9, pixels_per_cell=(8, 8),
@@ -104,7 +104,7 @@ def hog(image, n_orientations=9, pixels_per_cell=(8, 8),
"""
magnitude = sqrt(gx ** 2 + gy ** 2)
orientation = arctan(gy / (gx + 1e-15)) * (180 / pi) + 90
orientation = arctan2(gy, (gx + 1e-15)) * (180 / pi) + 90
# compute n_orientations integral images
integral_images = []