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car-detection-bayes
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updates

This commit is contained in:
Glenn Jocher 2019-06-22 15:52:27 +02:00
parent f501a0fc9d
commit ef3e1343e2
1 changed files with 2 additions and 2 deletions
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train.py
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@ -363,14 +363,14 @@ if __name__ == '__main__':
# Mutate hyperparameters # Mutate hyperparameters
old_hyp = hyp.copy() old_hyp = hyp.copy()
init_seeds(seed=int(time.time())) init_seeds(seed=int(time.time()))
s = [.4, .4, .4, .4, .4, .4, .4, .4, .4, .04, .4] # fractional sigmas s = [.4, .4, .4, .4, .4, .4, .4, .4*0, .4*0, .04*0, .4*0] # fractional sigmas
for i, k in enumerate(hyp.keys()): for i, k in enumerate(hyp.keys()):
x = (np.random.randn(1) * s[i] + 1) ** 1.1 # plt.hist(x.ravel(), 100) x = (np.random.randn(1) * s[i] + 1) ** 1.1 # plt.hist(x.ravel(), 100)
hyp[k] = hyp[k] * float(x) # vary by about 30% 1sigma hyp[k] = hyp[k] * float(x) # vary by about 30% 1sigma
# Clip to limits # Clip to limits
keys = ['lr0', 'iou_t', 'momentum', 'weight_decay'] keys = ['lr0', 'iou_t', 'momentum', 'weight_decay']
limits = [(1e-4, 1e-2), (0, 0.00), (0.70, 0.99), (0, 0.01)] limits = [(1e-4, 1e-2), (0, 0.70), (0.70, 0.98), (0, 0.01)]
for k, v in zip(keys, limits): for k, v in zip(keys, limits):
hyp[k] = np.clip(hyp[k], v[0], v[1]) hyp[k] = np.clip(hyp[k], v[0], v[1])