mentioned in the beginning of this document, we select an object detection model of tensorflow [https://www.tensorflow.org] framework(ssd_mobilenet_v1_coco_2017_11_17) which can be used to detection person directly. The supported detection object please refer to mscoco_label_map [https://github.com/tensorflow/models/blob/master/research/object_detection/data/mscoco_label_map.pbtxt]. When everything is