network_vgg16.py 文件源码

def _proposal_target_layer(self, rois, roi_scores, name):
    with tf.variable_scope(name) as scope:
      rois, roi_scores, labels, bbox_targets, bbox_inside_weights, bbox_outside_weights = tf.py_func(
        proposal_target_layer,
        [rois, roi_scores, self._gt_boxes, self._num_classes],
        [tf.float32, tf.float32, tf.float32, tf.float32, tf.float32, tf.float32],
        name="proposal_target")

      rois.set_shape([cfg.TRAIN.BATCH_SIZE, 5])
      roi_scores.set_shape([cfg.TRAIN.BATCH_SIZE])
      labels.set_shape([cfg.TRAIN.BATCH_SIZE, 1])
      bbox_targets.set_shape([cfg.TRAIN.BATCH_SIZE, self._num_classes * 4])
      bbox_inside_weights.set_shape([cfg.TRAIN.BATCH_SIZE, self._num_classes * 4])
      bbox_outside_weights.set_shape([cfg.TRAIN.BATCH_SIZE, self._num_classes * 4])

      self._proposal_targets['rois'] = rois
      self._proposal_targets['labels'] = tf.to_int32(labels, name="to_int32")
      self._proposal_targets['bbox_targets'] = bbox_targets
      self._proposal_targets['bbox_inside_weights'] = bbox_inside_weights
      self._proposal_targets['bbox_outside_weights'] = bbox_outside_weights

      self._score_summaries.update(self._proposal_targets)

      return rois, roi_scores