updates
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0d71fd8228
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train.py
40
train.py
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@ -75,12 +75,14 @@ hyp = {'giou': 1.582, # giou loss gain
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# 'shear': 0.434} # image shear (+/- deg)
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def train(cfg,
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data,
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img_size=416,
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epochs=100, # 500200 batches at bs 16, 117263 images = 273 epochs
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batch_size=16,
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accumulate=4): # effective bs = batch_size * accumulate = 16 * 4 = 64
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def train():
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cfg = opt.cfg
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data = opt.data
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img_size = opt.img_size
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epochs = opt.epochs # 500200 batches at bs 16, 117263 images = 273 epochs
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batch_size = opt.batch_size
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accumulate = opt.accumulate # effective bs = batch_size * accumulate = 16 * 4 = 64
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# Initialize
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init_seeds()
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weights = 'weights' + os.sep
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@ -359,16 +361,16 @@ def train(cfg,
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if __name__ == '__main__':
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parser = argparse.ArgumentParser()
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parser.add_argument('--epochs', type=int, default=273, help='number of epochs')
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parser.add_argument('--batch-size', type=int, default=32, help='batch size')
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parser.add_argument('--accumulate', type=int, default=2, help='number of batches to accumulate before optimizing')
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parser.add_argument('--epochs', type=int, default=273) # 500200 batches at bs 16, 117263 images = 273 epochs
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parser.add_argument('--batch-size', type=int, default=32) # effective bs = batch_size * accumulate = 16 * 4 = 64
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parser.add_argument('--accumulate', type=int, default=2, help='batches to accumulate before optimizing')
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parser.add_argument('--cfg', type=str, default='cfg/yolov3-spp.cfg', help='cfg file path')
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parser.add_argument('--data', type=str, default='data/coco.data', help='coco.data file path')
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parser.add_argument('--data', type=str, default='data/coco.data', help='*.data file path')
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parser.add_argument('--multi-scale', action='store_true', help='train at (1/1.5)x - 1.5x sizes')
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parser.add_argument('--img-size', type=int, default=416, help='inference size (pixels)')
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parser.add_argument('--rect', action='store_true', help='rectangular training')
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parser.add_argument('--resume', action='store_true', help='resume training flag')
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parser.add_argument('--transfer', action='store_true', help='transfer learning flag')
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parser.add_argument('--resume', action='store_true', help='resume training from last.pt')
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parser.add_argument('--transfer', action='store_true', help='transfer learning')
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parser.add_argument('--nosave', action='store_true', help='only save final checkpoint')
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parser.add_argument('--notest', action='store_true', help='only test final epoch')
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parser.add_argument('--evolve', action='store_true', help='evolve hyperparameters')
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@ -388,12 +390,7 @@ if __name__ == '__main__':
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except:
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pass
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results = train(opt.cfg,
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opt.data,
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img_size=opt.img_size,
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epochs=opt.epochs,
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batch_size=opt.batch_size,
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accumulate=opt.accumulate)
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results = train()
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else: # Evolve hyperparameters (optional)
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opt.notest = True # only test final epoch
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@ -423,12 +420,7 @@ if __name__ == '__main__':
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hyp[k] = np.clip(hyp[k], v[0], v[1])
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# Train mutation
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results = train(opt.cfg,
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opt.data,
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img_size=opt.img_size,
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epochs=opt.epochs,
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batch_size=opt.batch_size,
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accumulate=opt.accumulate)
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results = train()
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# Write mutation results
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print_mutation(hyp, results, opt.bucket)
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