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car-detection-bayes
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updates

This commit is contained in:
Glenn Jocher 2020-03-04 14:02:42 -08:00
parent cdb229fc76
commit 2e88a56635
1 changed files with 2 additions and 1 deletions
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models.py
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@ -87,8 +87,9 @@ def create_modules(module_defs, img_size, arc):
# Initialize preceding Conv2d() bias (https://arxiv.org/pdf/1708.02002.pdf section 3.3) # Initialize preceding Conv2d() bias (https://arxiv.org/pdf/1708.02002.pdf section 3.3)
try: try:
p = math.log(1 / (modules.nc - 1)) # class probability -> sigmoid(p) = 1/nc
if arc == 'default' or arc == 'Fdefault': # default if arc == 'default' or arc == 'Fdefault': # default
b = [-3.0, -6.0] # obj, cls b = [-5.0, p] # obj, cls
elif arc == 'uBCE': # unified BCE (80 classes) elif arc == 'uBCE': # unified BCE (80 classes)
b = [0, -9.0] b = [0, -9.0]
elif arc == 'uCE': # unified CE (1 background + 80 classes) elif arc == 'uCE': # unified CE (1 background + 80 classes)