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物体检测识别python源代码,可以识别很多类物体,源码简洁

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import os
import cv2
import time
import argparse
import multiprocessing
import numpy as np
import tensorflow as tf

from utils.app_utils import FPS WebcamVideoStream
from multiprocessing import Queue Pool
from object_detection.utils import label_map_util
from object_detection.utils import visualization_utils as vis_util

CWD_PATH = os.getcwd()

# Path to frozen detection graph. This is the actual model that is used for the object detection.
MODEL_NAME = ‘ssd_mobilenet_v1_coco_11_06_2017‘
PATH_TO_CKPT = os.path.join(CWD_PATH ‘object_detection‘ MODEL_NAME ‘frozen_inference_graph.pb‘)

# List of the strings that is used to add correct label for each box.
PATH_TO_LABELS = os.path.join(CWD_PATH ‘object_detection‘ ‘data‘ ‘mscoco_label_map.pbtxt‘)

NUM_CLASSES = 90

# Loading label map
label_map = label_map_util.load_labelmap(PATH_TO_LABELS)
categories = label_map_util.convert_label_map_to_categories(label_map max_num_classes=NUM_CLASSES
                                                            use_display_name=True)
category_index = label_map_util.create_category_index(categories)


def detect_objects(image_np sess detection_graph):
    # Expand dimensions since the model expects images to have shape: [1 None None 3]
    image_np_expanded = np.expand_dims(image_np axis=0)
    image_tensor = detection_graph.get_tensor_by_name(‘image_tensor:0‘)

    # Each box represents a part of the image where a particular object was detected.
    boxes = detection_graph.get_tensor_by_name(‘detection_boxes:0‘)

    # Each score represent how level of confidence for each of the objects.
    # Score is shown on the result image together with the class label.
    scores = detection_graph.get_tensor_by_name(‘detection_scores:0‘)
    classes = detection_graph.get_tensor_by_name(‘detection_classes:0‘)
    num_detections = detection_graph.get_tensor_by_name(‘num_detections:0‘)

    # Actual detection.
    (boxes scores classes num_detections) = sess.run(
        [boxes scores classes num_detections]
        feed_dict={image_tensor: image_np_expanded})

    # Visualization of the results of a detection.
    vis_util.visualize_boxes_and_labels_on_image_array(
        image_np
        np.squeeze(boxes)
        np.squeeze(classes).astype(np.int32)
        np.squeeze(scores)
        category_index
        use_normalized_coordinates=True
        line_thickness=8)
    return image_np


def worker(input_q output_q):
    # Load a (frozen) Tensorflow model into memory.
    detection_graph = tf.Graph()
    with detection_graph.as_default():
        od_graph_def = tf.GraphDef()
        with tf.gfile.GFile(PATH_TO_CKPT ‘rb‘) as fid:
            serialized_graph = fid.read()
            od_graph_def.ParseFromString(serialized_graph)
            tf.import_graph_def(od_graph_def name=‘‘)

        sess = tf.Session(graph=detection_graph)

    fps = FPS().start()
    while True:
        fps.update()
        frame = input_q.get()
        frame_rgb = cv2.cvtCo

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2018-02-01 16:07  object_detector_app-master\
     文件        5042  2017-10-04 13:10  object_detector_app-master\object_detection_app.py
     目录           0  2018-03-19 15:31  __MACOSX\
     目录           0  2018-03-19 15:31  __MACOSX\object_detector_app-master\
     文件         212  2017-10-04 13:10  __MACOSX\object_detector_app-master\._object_detection_app.py
     文件        1064  2017-10-04 13:10  object_detector_app-master\LICENSE
     文件         212  2017-10-04 13:10  __MACOSX\object_detector_app-master\._LICENSE
     文件         958  2017-10-04 13:10  object_detector_app-master\environment.yml
     文件         212  2017-10-04 13:10  __MACOSX\object_detector_app-master\._environment.yml
     文件        5680  2017-10-04 13:10  object_detector_app-master\object_detection_multithreading.py
     文件         212  2017-10-04 13:10  __MACOSX\object_detector_app-master\._object_detection_multithreading.py
     文件           0  2017-10-04 13:10  object_detector_app-master\__init__.py
     文件         212  2017-10-04 13:10  __MACOSX\object_detector_app-master\.___init__.py
     目录           0  2018-02-01 16:09  object_detector_app-master\utils\
     文件         662  2017-10-04 13:10  object_detector_app-master\utils\test_app_utils.py
     目录           0  2018-03-19 15:31  __MACOSX\object_detector_app-master\utils\
     文件         212  2017-10-04 13:10  __MACOSX\object_detector_app-master\utils\._test_app_utils.py
     文件           0  2017-10-04 13:10  object_detector_app-master\utils\__init__.py
     文件         212  2017-10-04 13:10  __MACOSX\object_detector_app-master\utils\.___init__.py
     目录           0  2018-02-01 16:09  object_detector_app-master\utils\__pycache__\
     文件        6690  2018-02-01 16:09  object_detector_app-master\utils\__pycache__\app_utils.cpython-36.pyc
     文件         182  2018-02-01 16:09  object_detector_app-master\utils\__pycache__\__init__.cpython-36.pyc
     文件        7886  2017-10-04 13:10  object_detector_app-master\utils\app_utils.py
     文件         212  2017-10-04 13:10  __MACOSX\object_detector_app-master\utils\._app_utils.py
     文件         212  2018-02-01 16:09  __MACOSX\object_detector_app-master\._utils
     文件        1254  2017-10-04 13:10  object_detector_app-master\README.md
     文件         212  2017-10-04 13:10  __MACOSX\object_detector_app-master\._README.md
     文件        1061  2017-10-04 13:10  object_detector_app-master\.gitignore
     文件         212  2017-10-04 13:10  __MACOSX\object_detector_app-master\._.gitignore
     目录           0  2018-02-01 16:09  object_detector_app-master\object_detection\
     目录           0  2017-10-04 13:10  object_detector_app-master\object_detection\test_images\
............此处省略567个文件信息

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