Python-基于视频的车辆计数系统使用PythonOpenCV构建

基于视频的车辆计数系统，使用Python / OpenCV构建

def get_counting_line（line_position frame_width frame_height）:
    line_positions = [‘top‘ ‘bottom‘ ‘left‘ ‘right‘]
    if line_position == None:
        line_position = ‘bottom‘
    if line_position not in line_positions:
        raise Exception（‘Invalid line position specified （options: top bottom left right）‘）

    if line_position == ‘top‘:
        counting_line_y = round（1 / 5 * frame_height）
        return [（0 counting_line_y） （frame_width counting_line_y）]
    elif line_position == ‘bottom‘:
        counting_line_y = round（4 / 5 * frame_height）
        return [（0 counting_line_y） （frame_width counting_line_y）]
    elif line_position == ‘left‘:
        counting_line_x = round（1 / 5 * frame_width）
        return [（counting_line_x 0） （counting_line_x frame_height）]
   

 属性            大小     日期    时间   名称
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     目录           0  2019-07-22 13:38  Vehicle-Counting-master\
     文件         103  2019-07-22 13:38  Vehicle-Counting-master\.gitignore
     目录           0  2019-07-22 13:38  Vehicle-Counting-master\HaarCascades\
     文件      118803  2019-07-22 13:38  Vehicle-Counting-master\HaarCascades\car.xml
     文件      930127  2019-07-22 13:38  Vehicle-Counting-master\HaarCascades\frontalface.xml
     文件      476826  2019-07-22 13:38  Vehicle-Counting-master\HaarCascades\fullbody.xml
     文件      188506  2019-07-22 13:38  Vehicle-Counting-master\HaarCascades\smile.xml
     文件        1071  2019-07-22 13:38  Vehicle-Counting-master\LICENSE
     目录           0  2019-07-22 13:38  Vehicle-Counting-master\OpenCV_scripts\
     文件         213  2019-07-22 13:38  Vehicle-Counting-master\OpenCV_scripts\capture_video_from_webcam.py
     文件         636  2019-07-22 13:38  Vehicle-Counting-master\OpenCV_scripts\color_filtering.py
     文件         394  2019-07-22 13:38  Vehicle-Counting-master\OpenCV_scripts\corner_detection.py
     文件         406  2019-07-22 13:38  Vehicle-Counting-master\OpenCV_scripts\draw_and_write_on_image.py
     文件         400  2019-07-22 13:38  Vehicle-Counting-master\OpenCV_scripts\gradients_and_edge_detection.py
     文件         270  2019-07-22 13:38  Vehicle-Counting-master\OpenCV_scripts\image_ops.py
     文件         282  2019-07-22 13:38  Vehicle-Counting-master\OpenCV_scripts\load_image.py
     文件         248  2019-07-22 13:38  Vehicle-Counting-master\OpenCV_scripts\load_video.py
     文件         389  2019-07-22 13:38  Vehicle-Counting-master\OpenCV_scripts\mog_background_reduction.py
     文件         926  2019-07-22 13:38  Vehicle-Counting-master\OpenCV_scripts\object_detection_haar_cascades.py
     文件         506  2019-07-22 13:38  Vehicle-Counting-master\OpenCV_scripts\template_matching.py
     文件         717  2019-07-22 13:38  Vehicle-Counting-master\OpenCV_scripts\thresholding.py
     文件        4898  2019-07-22 13:38  Vehicle-Counting-master\README.md
     文件        9919  2019-07-22 13:38  Vehicle-Counting-master\Vehicle_Counting.py
     目录           0  2019-07-22 13:38  Vehicle-Counting-master\blobs\
     文件         486  2019-07-22 13:38  Vehicle-Counting-master\blobs\blob.py
     文件         659  2019-07-22 13:38  Vehicle-Counting-master\blobs\blob2.py
     文件         704  2019-07-22 13:38  Vehicle-Counting-master\blobs\blob3.py
     文件         305  2019-07-22 13:38  Vehicle-Counting-master\blobs\utils.py
     文件         809  2019-07-22 13:38  Vehicle-Counting-master\camera.sh
     文件        1342  2019-07-22 13:38  Vehicle-Counting-master\counter.py
     目录           0  2019-07-22 13:38  Vehicle-Counting-master\detectors\
............此处省略44个文件信息