ssd.py 文件源码

python
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项目:SSD_tensorflow_VOC 作者: LevinJ 项目源码 文件源码
def get_model(self,inputs, weight_decay=0.0005,is_training=False):
        # End_points collect relevant activations for external use.
        arg_scope = self.__arg_scope(weight_decay=weight_decay)
        with slim.arg_scope(arg_scope):
            end_points = {}
            with tf.variable_scope('vgg_16', [inputs]):
                # Original VGG-16 blocks.
                net = slim.repeat(inputs, 2, slim.conv2d, 64, [3, 3], scope='conv1')
                end_points['block1'] = net
                net = slim.max_pool2d(net, [2, 2], scope='pool1')
                # Block 2.
                net = slim.repeat(net, 2, slim.conv2d, 128, [3, 3], scope='conv2')
                end_points['block2'] = net
                net = slim.max_pool2d(net, [2, 2], scope='pool2')
                # Block 3.
                net = slim.repeat(net, 3, slim.conv2d, 256, [3, 3], scope='conv3')
                end_points['block3'] = net
                net = slim.max_pool2d(net, [2, 2], scope='pool3')
                # Block 4.
                net = slim.repeat(net, 3, slim.conv2d, 512, [3, 3], scope='conv4')
                end_points['block4'] = net
                net = slim.max_pool2d(net, [2, 2], scope='pool4')
                # Block 5.
                net = slim.repeat(net, 3, slim.conv2d, 512, [3, 3], scope='conv5')
                end_points['block5'] = net
                net = slim.max_pool2d(net, [3, 3], stride=1, scope='pool5')



            # Additional SSD blocks.
            keep_prob=0.8
            with slim.arg_scope([slim.conv2d],
                            activation_fn=None):
                with slim.arg_scope([slim.batch_norm],
                            activation_fn=tf.nn.relu, is_training=is_training,updates_collections=None):
                    with slim.arg_scope([slim.dropout],
                            is_training=is_training,keep_prob=keep_prob):
                        with tf.variable_scope(self.model_name):
                            return self.__additional_ssd_block(end_points, net)
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