mirror of
https://github.com/wassname/scikit-image.git
synced 2026-06-28 13:02:29 +08:00
Nelle Varoquaux
32 lines
842 B
Python
32 lines
842 B
Python
"""
|
|
===============================================================================
|
|
Harris Corner detector
|
|
===============================================================================
|
|
|
|
The Harris corner filter detects interest points using edge detection in many
|
|
direction.
|
|
"""
|
|
|
|
from matplotlib import pyplot as plt
|
|
from matplotlib import cm
|
|
|
|
from skimage import data
|
|
from skimage.filter import harris_corner_detector
|
|
|
|
|
|
def plot_harris_points(image, filtered_coords):
|
|
""" plots corners found in image"""
|
|
|
|
plt.subplot(111)
|
|
plt.imshow(image, cmap=cm.gray)
|
|
plt.plot([p[1] for p in filtered_coords],
|
|
[p[0] for p in filtered_coords],
|
|
'b.')
|
|
plt.axis('off')
|
|
plt.show()
|
|
|
|
|
|
im = data.lena().astype(float)
|
|
filtered_coords = harris_corner_detector(im, 6)
|
|
plot_harris_points(im, filtered_coords)
|