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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
from __future__ import print_function
import argparse
import tools.find_mxnet
import mxnet as mx
import os
import importlib
import sys
from symbol.symbol_factory import get_symbol
def parse_args():
parser = argparse.ArgumentParser(description='Convert a trained model to deploy model')
parser.add_argument('--network', dest='network', type=str, default='vgg16_reduced',
help='which network to use')
parser.add_argument('--epoch', dest='epoch', help='epoch of trained model',
default=0, type=int)
parser.add_argument('--prefix', dest='prefix', help='trained model prefix',
default=os.path.join(os.getcwd(), 'model', 'ssd_'), type=str)
parser.add_argument('--data-shape', dest='data_shape', type=int, default=300,
help='data shape')
parser.add_argument('--num-class', dest='num_classes', help='number of classes',
default=20, type=int)
parser.add_argument('--nms', dest='nms_thresh', type=float, default=0.5,
help='non-maximum suppression threshold, default 0.5')
parser.add_argument('--no-force', dest='force_nms', action='store_false',
help='dont force non-maximum suppression on different class')
parser.add_argument('--topk', dest='nms_topk', type=int, default=400,
help='apply nms only to top k detections based on scores.')
args = parser.parse_args()
return args
if __name__ == '__main__':
args = parse_args()
net = get_symbol(, args.data_shape,
num_classes=args.num_classes, nms_thresh=args.nms_thresh,
force_suppress=args.force_nms, nms_topk=args.nms_topk)
if args.prefix.endswith('_'):
prefix = args.prefix + + '_' + str(args.data_shape)
prefix = args.prefix
_, arg_params, aux_params = mx.model.load_checkpoint(prefix, args.epoch)
# new name
tmp = prefix.rsplit('/', 1)
save_prefix = '/deploy_'.join(tmp)
mx.model.save_checkpoint(save_prefix, args.epoch, net, arg_params, aux_params)
print("Saved model: {}-{:04d}.params".format(save_prefix, args.epoch))
print("Saved symbol: {}-symbol.json".format(save_prefix))
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