add publish message json

wangzhibo

2022-03-24 d4c2d3ef0336742f8c40ff7f33507a84a315543d

add publish message json

 debug/2_split_digit_from_video.py

@@ -18,7 +18,6 @@
    contours, hierarchy = cv2.findContours(
        counter, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
    contours_count = 0
    return_numbers = []
    for c in contours:
        x, y, w, h = cv2.boundingRect(c)
        if hierarchy[0][contours_count][3] == 0 and h > image_h * 0.3:

 main.py

@@ -131,7 +131,7 @@
    time_now = datetime.datetime.now().strftime("%Y-%m-%d-%H-%M-%S")
    app.logger.info(time_now+' extract_voltage_send job started!')
    #camera = cv2.VideoCapture(0) #use 0 for web camera  deplyoment
    cap = cv2.VideoCapture(0) # for testing
    cap = cv2.VideoCapture('./debug/7422.mp4') # for testing
    #    以下设置显示屏的宽高
    cap.set(cv2.CAP_PROP_FRAME_WIDTH,    640)
    cap.set(cv2.CAP_PROP_FRAME_HEIGHT,    480)
@@ -140,7 +140,8 @@
        ret, frame = cap.read()
        return_digital,job_status = extrct_digits_from_frame(frame,app.config['IMAGE_CLIP_COLS_START'],app.config['IMAGE_CLIP_COLS_END'],app.config['IMAGE_CLIP_ROWS_START'],app.config['IMAGE_CLIP_ROWS_END'])
        if job_status or fails_count > 10:
            mqtt.publish(app.config['REMOTE_MQTT_PUBLISH_TOPIC'], "{'voltage':"+str(return_digital)+"}")
            #mqtt.publish(app.config['REMOTE_MQTT_PUBLISH_TOPIC'], "{'voltage':"+str(return_digital)+"}")
            mqtt.publish(app.config['REMOTE_MQTT_PUBLISH_TOPIC'], "{\"sn\":" + "\"" + app.config['MQTT_CLIENT_ID'] +"\"" + " , \"time\":"+ "\"" + time_now  +"\""+" , \"value\":"+ str(return_digital) +" }")
            cv2.imwrite("./imageframe/image_frame_"+time_now+".jpg", cv2.putText(frame, str(return_digital), (app.config['IMAGE_CLIP_ROWS_START'], app.config['IMAGE_CLIP_COLS_START']), cv2.FONT_HERSHEY_COMPLEX, 1.5, (0, 255, 255), 2))
            cap.release()
            break