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car-detection-bayes
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Glenn Jocher 2020-02-22 21:17:38 -08:00
parent bc741f30e8
commit 817c0bfeed
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train.py
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@ -136,6 +136,7 @@ def train():
# lf = lambda x: 1 - x / epochs # linear ramp to zero
# lf = lambda x: 10 ** (hyp['lrf'] * x / epochs) # exp ramp
# lf = lambda x: 1 - 10 ** (hyp['lrf'] * (1 - x / epochs)) # inverse exp ramp
# lf = lambda x: 0.5 * (1 + math.cos(x * math.pi / epochs)) # cosine https://arxiv.org/pdf/1812.01187.pdf
# scheduler = lr_scheduler.LambdaLR(optimizer, lr_lambda=lf)
# scheduler = lr_scheduler.MultiStepLR(optimizer, milestones=range(59, 70, 1), gamma=0.8) # gradual fall to 0.1*lr0
scheduler = lr_scheduler.MultiStepLR(optimizer, milestones=[round(opt.epochs * x) for x in [0.8, 0.9]], gamma=0.1)