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https://github.com/wassname/scikit-image.git
synced 2026-07-08 11:26:47 +08:00
Tony S Yu
25 lines
588 B
Python
25 lines
588 B
Python
import numpy as np
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from skimage import feature
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def test_noisy_peaks():
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peak_locations = [(7, 7), (7, 13), (13, 7), (13, 13)]
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# image with noise of amplitude 0.8 and peaks of amplitude 1
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image = 0.8 * np.random.random((20, 20))
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for r, c in peak_locations:
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image[r, c] = 1
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peaks_detected = feature.peak_local_max(image, min_distance=5)
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assert len(peaks_detected) == len(peak_locations)
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for loc in peaks_detected:
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assert tuple(loc) in peak_locations
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if __name__ == '__main__':
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from numpy import testing
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testing.run_module_suite()
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