Automation, sensing and robotics • Re: Question about methods to detect multiple LED status

Code:

rpicam-vid -t 0 --framerate 25  --codec libav --libav-format mpegts -o - | cvlc stream:///dev/stdin --sout '#rtp{sdp=rtsp://:5000/stream1}'

Code:

#!/usr/bin/python3# Press RIGHT Mouse button on picture to EXIT# Press LEFT Mouse button to move a box, click on one box to move then click on new position.import randomimport numpy as npimport cv2import timeimport datetimeimport os,sysimport mathimport smtplib, sslfrom picamera2 import Picamera2# rtsp stream addressurl = 'rtsp://192.168.1.163:5000/stream1'# for demo set = 1, for stream = 0demo = 0# sending emails, set to 1 to enablesend_email = 0#detection window sizewindow = 10# number of detection areas areas = 13# set trigger levelrtrigger = 130gtrigger = 130# set alarm period (MINUTES)alarm = 10labels = ["ZONE_1 ","ZONE_2 ","ZONE_3 ","ZONE_4 ","HEAT_1 ","HEAT_2 ","HEAT_3 ","COOL_1 ","COOL_2 ","FAN    ","PURGE  ","EM_HEAT","","","","","",""]from email.mime.multipart import MIMEMultipartfrom email.mime.text import MIMETextfrom email.mime.base import MIMEBasefrom email import encodersfrom email.mime.image import MIMEImagedef sendMail(data):    port = 465  # For SSL    smtp_server = "smtp.gmail.com"  # Enter email server    sender_email = "xxx@xxx.xxx"    # Enter your address    receiver_email = "yyy@yyy.yyy"  # Enter receiver address    password = "zzzzzzzz"           # Enter email password    message = data    context = ssl.create_default_context()    with smtplib.SMTP_SSL(smtp_server, port, context=context) as server:        server.login(sender_email, password)        server.sendmail(sender_email, receiver_email, message)    if demo == 0:    # stream address    cap = cv2.VideoCapture(url)# initialise variablescv2.namedWindow('Monitoring Panel')if demo == 1:    q = np.zeros((600,450,3), np.uint8)    r = np.zeros((120,640,3), np.uint8)else:    q = np.zeros((600,450,3), np.uint8)    r = np.zeros((120,640,3), np.uint8)points = [0]*100pointz = [0]*100rtimes     = [0]*50rtriggered = [0]*50rcleared   = [0]*50gtimes     = [0]*50gtriggered = [0]*50gcleared   = [0]*50ytimes     = [0]*50ytriggered = [0]*50ycleared   = [0]*50emailed = [0]*50move = 0log_list = ["-"]*50# Mouse. LEFT button to move boxes, RIGHT button to EXITdef point(event, x, y, flags, param):    global triggered, window , move, store, points, pointz, areas, times, cleared    if event == cv2.EVENT_RBUTTONDOWN:        cv2.destroyAllWindows()        sys.exit()    if event == cv2.EVENT_LBUTTONDOWN:        if move == 0:           minm = 1000           for j in range (0,areas*2,2):               temp = math.sqrt((abs(points[j] - y) * abs(points[j] - y) + abs(points[j+1] - x) * abs(points[j+1] - x)))               if temp < minm:                   minm = temp                   store = j           move = 1        elif move == 1:           points[store] = y - int(window/2)           points[store+1] = x - int(window/2)           move = 0           pointz[:] = points[:]           for j in range (0,areas*2,2):               pointz[j] = pointz[j] + int(window/2)               pointz[j+1] = pointz[j+1] + int(window/2)           with open('points2.txt', 'w') as f:               for item in pointz:                   f.write("%s\n" % item)        # setup mouse callback               cv2.setMouseCallback('Monitoring Panel',point)# check points2.txt exists, if not then write default valuesif not os.path.exists('points2.txt'):    points = [234,336,270,336,305,336,342,336,              225,318,244,318,262,318,280,318,298,318,315,318,334,318,352,318,196,318]    with open('points2.txt', 'w') as f:      for item in points:          f.write("%s\n" % item)          # read points2.txtpoints = []with open("points2.txt", "r") as file:   line = file.readline()   while line:      points.append(line.strip())      line = file.readline()points = list(map(int,points))for x in range (0,areas*2,2):    points[x] = points[x] - int(window/2)    points[x+1] = points[x+1] - int(window/2)now = datetime.datetime.now()logstamp = now.strftime("%Y%m%d")if os.path.exists(logstamp + '.txt'):    with open(logstamp + ".txt", "r") as file:        line = file.readline()        while line:           log_list.append(line.strip())           line = file.readline()    log_list.reverse()    if len(log_list) > 50:        log_list = log_list[0:49]    for k in range(0,42):        cv2.rectangle(q, (180,k*18),(600,(k*18)+20), (0,0,0),-1)        cv2.putText(q,log_list[k], (185,10 + (k * 14)), cv2.FONT_HERSHEY_SIMPLEX, 0.35, (130, 130, 130),1)    timer  = 0lights = [0] * 100raverage = 130gaverage = 130baverage = 130# main loopwhile True:    if demo == 1:        a = random.randint(0,99)        b = random.randint(0,3)        lights[a] = b        # GET demo picture        img = cv2.imread('panel.jpg')        for z in range (0,areas*2,2):            if lights[int(z/2)] == 1 and  int(z/2) != areas - 1:                cv2.rectangle(img, (points[z+1]+int(window/3),points[z]+int(window/3)), (points[z+1]+int(window/1.5),points[z]+int(window/1.5)), (0,255,0),-1)            elif lights[int(z/2)] == 2 and  int(z/2) != areas - 1:                cv2.rectangle(img, (points[z+1]+int(window/3),points[z]+int(window/3)), (points[z+1]+int(window/1.5),points[z]+int(window/1.5)), (0,0,255),-1)            elif lights[int(z/2)] == 3 and  int(z/2) != areas - 1:                cv2.rectangle(img, (points[z+1]+int(window/3),points[z]+int(window/3)), (points[z+1]+int(window/1.5),points[z]+int(window/1.5)), (0,255,255),-1)            if lights[int(z/2)] == 0 and  int(z/2) != areas - 1:                cv2.rectangle(img, (points[z+1],points[z]), (points[z+1]+window,points[z]+window), (baverage,gaverage,raverage),-1)        time.sleep(.5)        (B, G, rgray) = cv2.split(img) # red        (B, ggray, R) = cv2.split(img) # green        (bgray, G, R) = cv2.split(img) # blue            else:        ret, img = cap.read()        (B, G, rgray) = cv2.split(img) # red        (B, ggray, R) = cv2.split(img) # green        (bgray, G, R) = cv2.split(img) # blue    # check for triggered lights every frame     for box in range (0,areas*2,2):        rwindowed = rgray[points[box]:points[box]+window, points[box+1]:points[box+1]+window]        raverage = np.average(rwindowed) # red value        gwindowed = ggray[points[box]:points[box]+window, points[box+1]:points[box+1]+window]        gaverage = np.average(gwindowed) # green value        bwindowed = bgray[points[box]:points[box]+window, points[box+1]:points[box+1]+window]        baverage = np.average(gwindowed) # blue value                if int(box/2) == areas - 1:            gtrigger = np.average(gwindowed) + 20 # green trigger            rtrigger = np.average(rwindowed) + 20 # red trigger                # display average levels to help setup        cv2.putText(img,str(int(raverage)), (points[box+1] + 130, points[box] + 10 ), cv2.FONT_HERSHEY_SIMPLEX, 0.4, (100, 200, 100),1)        cv2.putText(img,str(int(gaverage)), (points[box+1] + 230, points[box] + 10 ), cv2.FONT_HERSHEY_SIMPLEX, 0.4, (100, 200, 100),1)                # check for RED lights ON        if raverage > rtrigger and gtrigger > gaverage and rtriggered[int(box/2)] == 0 and int(box/2) != areas - 1:            now = datetime.datetime.now()            timestamp = now.strftime("%Y/%m/%d %H:%M:%S")            rtriggered[int(box/2)] = timestamp            rtimes[int(box/2)] = time.time()            rcleared[int(box/2)] = 0            logstamp = now.strftime("%Y%m%d")            if ytriggered[int(box/2)] != 0:                with open(logstamp + '.txt', 'a') as f:                    if int(box/2) < 9:                        item = "0" + str(int(box/2)+1) + " Y- " + labels[int(box/2)] + " " + str(timestamp) + " " + str(int((time.time() - float(ytimes[int(box/2)]))/60))                    else:                        item = str(int(box/2)+1) + " Y- " + labels[int(box/2)] + " " + str(timestamp) + " " + str(int((time.time() - float(ytimes[int(box/2)]))/60))                    f.write("%s\n" % item)                ytriggered[int(box/2)] = 0                ytimes[int(box/2)] = 0                ycleared[int(box/2)] = timestamp                log_list.insert(0,item)                del log_list[-1]            if gtriggered[int(box/2)] != 0:                with open(logstamp + '.txt', 'a') as f:                    if int(box/2) < 9:                        item = "0" + str(int(box/2)+1) + " G- " + labels[int(box/2)] + " " + str(timestamp) + " " + str(int((time.time() - float(gtimes[int(box/2)]))/60))                    else:                        item = str(int(box/2)+1) + " G- " + labels[int(box/2)] + " " + str(timestamp) + " " + str(int((time.time() - float(gtimes[int(box/2)]))/60))                     f.write("%s\n" % item)                gtriggered[int(box/2)] = 0                gtimes[int(box/2)] = 0                gcleared[int(box/2)] = timestamp                log_list.insert(0,item)                del log_list[-1]            with open(logstamp + '.txt', 'a') as f:                if int(box/2) < 9:                    item = "0" + str(int(box/2)+1) + " R+ " + labels[int(box/2)] + " " +  str(timestamp)                else:                    item = str(int(box/2)+1) + " R+ " + labels[int(box/2)]  +  " " + str(timestamp)                 f.write("%s\n" % item)            log_list.insert(0,item)            del log_list[-1]            for k in range(0,42):                cv2.rectangle(q, (180,k*18),(600,(k*18)+20), (0,0,0),-1)                cv2.putText(q,log_list[k], (185,10 + (k * 14)), cv2.FONT_HERSHEY_SIMPLEX, 0.35, (130, 130, 130),1)        # check for RED lights going OFF        elif rtrigger > raverage and gtrigger > gaverage and rtriggered[int(box/2)] != 0 and int(box/2) != areas - 1:            now = datetime.datetime.now()            timestamp = now.strftime("%Y/%m/%d %H:%M:%S")            rcleared[int(box/2)] = timestamp            rtriggered[int(box/2)] = 0            emailed[int(box/2)] = 0            logstamp = now.strftime("%Y%m%d")            with open(logstamp +'.txt', 'a') as f:                if int(box/2) < 9:                    item = "0" + str(int(box/2)+1) + " R- " + labels[int(box/2)] + " " + str(timestamp) + " " + str(int((time.time() - float(rtimes[int(box/2)]))/60))                else:                    item = str(int(box/2)+1) + " R- " + labels[int(box/2)] + " " + str(timestamp) + " " + str(int((time.time() - float(rtimes[int(box/2)]))/60))                f.write("%s\n" % item)            rtimes[int(box/2)] = 0            log_list.insert(0,item)            del log_list[-1]            for k in range(0,42):                cv2.rectangle(q, (180,k*18),(600,(k*18)+20), (0,0,0),-1)                cv2.putText(q,log_list[k], (185,10 + (k * 14)), cv2.FONT_HERSHEY_SIMPLEX, 0.35, (130, 130, 130),1)        # check for GREEN lights ON        elif gaverage > gtrigger and rtrigger > raverage and gtriggered[int(box/2)] == 0 and int(box/2) != areas - 1:            now = datetime.datetime.now()            timestamp = now.strftime("%Y/%m/%d %H:%M:%S")            gtriggered[int(box/2)] = timestamp            gtimes[int(box/2)] = time.time()            gcleared[int(box/2)] = 0            logstamp = now.strftime("%Y%m%d")            with open(logstamp + '.txt', 'a') as f:                if int(box/2) < 9:                    item = "0" + str(int(box/2)+1) + " G+ " + labels[int(box/2)] + " " +  str(timestamp)                else:                    item = str(int(box/2)+1) + " G+ " + labels[int(box/2)]  +  " " + str(timestamp)                f.write("%s\n" % item)            log_list.insert(0,item)            del log_list[-1]            if ytriggered[int(box/2)] != 0:                with open(logstamp + '.txt', 'a') as f:                    if int(box/2) < 9:                        item = "0" + str(int(box/2)+1) + " Y- " + labels[int(box/2)] + " " + str(timestamp) + " " + str(int((time.time() - float(ytimes[int(box/2)]))/60))                    else:                        item = str(int(box/2)+1) + " Y- " + labels[int(box/2)] + " " + str(timestamp) + " " + str(int((time.time() - float(ytimes[int(box/2)]))/60))                    f.write("%s\n" % item)                ytriggered[int(box/2)] = 0                ytimes[int(box/2)] = 0                ycleared[int(box/2)] = timestamp                log_list.insert(0,item)                del log_list[-1]            if rtriggered[int(box/2)] != 0:                with open(logstamp + '.txt', 'a') as f:                    if int(box/2) < 9:                        item = "0" + str(int(box/2)+1) + " R- " + labels[int(box/2)] + " " + str(timestamp) + " " + str(int((time.time() - float(rtimes[int(box/2)]))/60))                    else:                        item = str(int(box/2)+1) + " R- " + labels[int(box/2)] + " " + str(timestamp) + " " + str(int((time.time() - float(rtimes[int(box/2)]))/60))                     f.write("%s\n" % item)                rtriggered[int(box/2)] = 0                rtimes[int(box/2)] = 0                rcleared[int(box/2)] = timestamp                log_list.insert(0,item)                del log_list[-1]            for k in range(0,42):                cv2.rectangle(q, (180,k*18),(600,(k*18)+20), (0,0,0),-1)                cv2.putText(q,log_list[k], (185,10 + (k * 14)), cv2.FONT_HERSHEY_SIMPLEX, 0.35, (130, 130, 130),1)        # check for GREEN lights going OFF        elif gtrigger > gaverage and rtrigger > raverage and gtriggered[int(box/2)] != 0 and int(box/2) != areas - 1:            now = datetime.datetime.now()            timestamp = now.strftime("%Y/%m/%d %H:%M:%S")            gcleared[int(box/2)] = timestamp            gtriggered[int(box/2)] = 0            emailed[int(box/2)] = 0            logstamp = now.strftime("%Y%m%d")            with open(logstamp +'.txt', 'a') as f:                if int(box/2) < 9:                    item = "0" + str(int(box/2)+1) + " G- " + labels[int(box/2)] + " " + str(timestamp) + " " + str(int((time.time() - float(gtimes[int(box/2)]))/60))                else:                    item = str(int(box/2)+1) + " G- " + labels[int(box/2)] + " " + str(timestamp) + " " + str(int((time.time() - float(gtimes[int(box/2)]))/60))                f.write("%s\n" % item)            gtimes[int(box/2)] = 0            log_list.insert(0,item)            del log_list[-1]            for k in range(0,42):                cv2.rectangle(q, (180,k*18),(600,(k*18)+20), (0,0,0),-1)                cv2.putText(q,log_list[k], (185,10 + (k * 14)), cv2.FONT_HERSHEY_SIMPLEX, 0.35, (130, 130, 130),1)        # check for YELLOW lights ON        elif raverage > rtrigger and gaverage > gtrigger and ytriggered[int(box/2)] == 0 and int(box/2) != areas - 1:            now = datetime.datetime.now()            timestamp = now.strftime("%Y/%m/%d %H:%M:%S")            ytriggered[int(box/2)] = timestamp            ytimes[int(box/2)] = time.time()            ycleared[int(box/2)] = 0            logstamp = now.strftime("%Y%m%d")            if rtriggered[int(box/2)] != 0:                with open(logstamp + '.txt', 'a') as f:                    if int(box/2) < 9:                        item = "0" + str(int(box/2)+1) + " R- " + labels[int(box/2)] + " " + str(timestamp) + " " + str(int((time.time() - float(rtimes[int(box/2)]))/60))                    else:                        item = str(int(box/2)+1) + " R- " + labels[int(box/2)] + " " + str(timestamp) + " " + str(int((time.time() - float(rtimes[int(box/2)]))/60))                     f.write("%s\n" % item)                rtriggered[int(box/2)] = 0                rtimes[int(box/2)] = 0                rcleared[int(box/2)] = timestamp                log_list.insert(0,item)                del log_list[-1]            if gtriggered[int(box/2)] != 0:                with open(logstamp + '.txt', 'a') as f:                    if int(box/2) < 9:                        item = "0" + str(int(box/2)+1) + " G- " + labels[int(box/2)] + " " + str(timestamp) + " " + str(int((time.time() - float(gtimes[int(box/2)]))/60))                    else:                        item = str(int(box/2)+1) + " G- " + labels[int(box/2)] + " " + str(timestamp) + " " + str(int((time.time() - float(gtimes[int(box/2)]))/60))                     f.write("%s\n" % item)                gtriggered[int(box/2)] = 0                gtimes[int(box/2)] = 0                gcleared[int(box/2)] = timestamp                log_list.insert(0,item)                del log_list[-1]            with open(logstamp + '.txt', 'a') as f:                if int(box/2) < 9:                    item = "0" + str(int(box/2)+1) + " Y+ " + labels[int(box/2)] + " " +  str(timestamp)                else:                    item = str(int(box/2)+1) + " Y+ " + labels[int(box/2)]  +  " " + str(timestamp)                f.write("%s\n" % item)            log_list.insert(0,item)            del log_list[-1]            for k in range(0,42):                cv2.rectangle(q, (180,k*18),(600,(k*18)+20), (0,0,0),-1)                cv2.putText(q,log_list[k], (185,10 + (k * 14)), cv2.FONT_HERSHEY_SIMPLEX, 0.35, (130, 130, 130),1)        # check for YELLOW lights going OFF        elif rtrigger > raverage and gtrigger > gaverage and ytriggered[int(box/2)] != 0 and int(box/2) != areas - 1:            now = datetime.datetime.now()            timestamp = now.strftime("%Y/%m/%d %H:%M:%S")            ycleared[int(box/2)] = timestamp            ytriggered[int(box/2)] = 0            emailed[int(box/2)] = 0            logstamp = now.strftime("%Y%m%d")            with open(logstamp +'.txt', 'a') as f:                if int(box/2) < 9:                    item = "0" + str(int(box/2)+1) + " Y- " + labels[int(box/2)] + " " + str(timestamp) + " " + str(int((time.time() - float(ytimes[int(box/2)]))/60))                else:                    item = str(int(box/2)+1) + " Y- " + labels[int(box/2)] + " " + str(timestamp) + " " + str(int((time.time() - float(ytimes[int(box/2)]))/60))                f.write("%s\n" % item)            ytimes[int(box/2)] = 0            log_list.insert(0,item)            del log_list[-1]            for k in range(0,42):                cv2.rectangle(q, (180,k*18),(600,(k*18)+20), (0,0,0),-1)                cv2.putText(q,log_list[k], (185,10 + (k * 14)), cv2.FONT_HERSHEY_SIMPLEX, 0.35, (130, 130, 130),1)    rcount = 0    cv2.rectangle(q, (0,0),(180,600), (0,0,50),-1)    data =""    rabc = ['x']*35    for z in range (0,areas*2,2):        if rtriggered[int(z/2)] != 0 and rcleared[int(z/2)] == 0:            room = str(int(z/2)+1)            if int(z/2) < 9:                room = "0" + str(int(z/2)+1)            rabc[rcount] = str(rtriggered[int(z/2)]) + "  " + room + str(rtimes[int(z/2)])            rcount +=1            rabc.sort()    gcount = 0    gabc = ['x']*35    for z in range (0,areas*2,2):        if gtriggered[int(z/2)] != 0 and gcleared[int(z/2)] == 0:            room = str(int(z/2)+1)            if int(z/2) < 9:                room = "0" + str(int(z/2)+1)            gabc[gcount] = str(gtriggered[int(z/2)]) + "  " + room + str(gtimes[int(z/2)])            gcount +=1            gabc.sort()    ycount = 0    yabc = ['x']*35    for z in range (0,areas*2,2):        if ytriggered[int(z/2)] != 0 and ycleared[int(z/2)] == 0:            room = str(int(z/2)+1)            if int(z/2) < 9:                room = "0" + str(int(z/2)+1)            yabc[ycount] = str(ytriggered[int(z/2)]) + "  " + room + str(ytimes[int(z/2)])            ycount +=1            yabc.sort()    for z in range (0,rcount):          duration = int((time.time() - float(rabc[z][23:39]))/60)          if duration > 999:              duration = 999          if duration >= alarm:               cv2.putText(q,rabc[z][0:23] + "  " + str(int(duration)) , (2,30 + int(z) * 15), cv2.FONT_HERSHEY_SIMPLEX, 0.35, (0, 0, 255),1)          else:              cv2.putText(q,rabc[z][0:23] + " " + str(int(duration)) , (2,30 + int(z) * 15), cv2.FONT_HERSHEY_SIMPLEX, 0.35, (0, 0, 200),1)    for z in range (0,gcount):          duration = int((time.time() - float(gabc[z][23:39]))/60)          if duration > 999:              duration = 999          if duration >= alarm:               cv2.putText(q,gabc[z][0:23] + "  " + str(int(duration)) , (2,400 + int(z) * 15), cv2.FONT_HERSHEY_SIMPLEX, 0.35, (0, 255, 0),1)          else:              cv2.putText(q,gabc[z][0:23] + " " + str(int(duration)) , (2,400 + int(z) * 15), cv2.FONT_HERSHEY_SIMPLEX, 0.35, (0, 200, 0),1)    for z in range (0,ycount):          duration = int((time.time() - float(yabc[z][23:39]))/60)          if duration > 999:              duration = 999          if duration >= alarm:               cv2.putText(q,yabc[z][0:23] + "  " + str(int(duration)) , (2,200 + int(z) * 15), cv2.FONT_HERSHEY_SIMPLEX, 0.35, (0, 255, 255),1)          else:              cv2.putText(q,yabc[z][0:23] + " " + str(int(duration)) , (2,200 + int(z) * 15), cv2.FONT_HERSHEY_SIMPLEX, 0.35, (0, 200, 200),1)            # draw boxes    data2 = ""    for z in range (0,areas*2,2):        cv2.rectangle(img, (0,0), (639,479), (100,100,100), 2)        # draw boxes        if  int(z/2) != areas - 1:            cv2.rectangle(img, (points[z+1],points[z]), (points[z+1]+window,points[z]+window), (0,0,200), 1)        else:            cv2.rectangle(img, (points[z+1],points[z]), (points[z+1]+window,points[z]+window), (200,0,0), 1)        # show yellow box to be moved        if move == 1 and store == z:            cv2.rectangle(img, (points[z+1],points[z]), (points[z+1]+window,points[z]+window), (0,200,200), 1)        # show led numbers        if rtriggered[int(z/2)] != 0:            if int(z/2) < 4:                cv2.putText(img,str(int(z/2) + 1), (points[z+1] + 55, points[z] + 15), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 250),2)            else:                cv2.putText(img,str(int(z/2) + 1), (points[z+1] - 50, points[z] + 15), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 250),2)        elif gtriggered[int(z/2)] != 0:            if int(z/2) < 4:                cv2.putText(img,str(int(z/2) + 1), (points[z+1] + 55, points[z] + 15), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 250, 0),2)            else:                cv2.putText(img,str(int(z/2) + 1), (points[z+1] - 50, points[z] + 15), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 250, 0),2)        elif ytriggered[int(z/2)] != 0:            if int(z/2) < 4:                cv2.putText(img,str(int(z/2) + 1), (points[z+1] + 55, points[z] + 15), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 250, 250),2)            else:                cv2.putText(img,str(int(z/2) + 1), (points[z+1] - 50, points[z] + 15), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 250, 250),2)        else:            if int(z/2) < 4:                cv2.putText(img,str(int(z/2) + 1), (points[z+1] + 55, points[z] + 15), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (150, 150, 155),1)            else:                cv2.putText(img,str(int(z/2) + 1), (points[z+1] - 50, points[z] + 15), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (150, 150, 155),1)        cv2.putText(q,"    Date        Time   Led Dur", (0, 11), cv2.FONT_HERSHEY_SIMPLEX, 0.35, (0, 200, 200),1)                # show frame    now = datetime.datetime.now()    timestamp = now.strftime("%Y/%m/%d %H:%M:%S")    cv2.rectangle(r, (0,0), (400,50), (0,0,0), -1)    cv2.putText(r,timestamp, (0, 31), cv2.FONT_HERSHEY_SIMPLEX, 1, (200, 200, 200),1)    ver = np.vstack((img,r))    hor = np.hstack((ver,q))    cv2.imshow('Monitoring Panel',hor)    cv2.waitKey(1)