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laplace noise

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This commit is contained in:
Jeremy Hummel 2021-05-23 01:29:06 -07:00
commit 08c4967afb
1 changed files with 5 additions and 4 deletions
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9
samplelib/SampleProcessor.py
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@ -227,12 +227,13 @@ class SampleProcessor(object):
noise_scale = (20 * np.random.random() + 20) / 255.0 noise_scale = (20 * np.random.random() + 20) / 255.0
if noise_type == 'gaussian': if noise_type == 'gaussian':
noise = np.random.normal(scale=noise_scale, size=img.shape) # noise = np.random.normal(scale=noise_scale, size=img.shape)
img += noise
elif noise_type == 'laplace':
# noise = np.random.laplace(scale=noise_scale, size=img.shape)
# img += noise # img += noise
pass pass
elif noise_type == 'laplace':
noise = np.random.laplace(scale=noise_scale, size=img.shape)
img += noise
# pass
elif noise_type == 'poisson': elif noise_type == 'poisson':
# noise_lam = (15 * np.random.random() + 15) # noise_lam = (15 * np.random.random() + 15)
# noise = np.random.poisson(lam=noise_lam, size=img.shape) # noise = np.random.poisson(lam=noise_lam, size=img.shape)