Bird_detection.py

import cv2

bird1_cascade = cv2.CascadeClassifier('bird1-cascade.xml')
bird2_cascade = cv2.CascadeClassifier('bird2-cascade.xml')
 
cap = cv2.VideoCapture('Bird.mp4')
 
while 1: 
 
    ret, img = cap.read() 
    gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)

    birds1 = bird1_cascade.detectMultiScale(gray, 1.3, 5)
    birds2 = bird2_cascade.detectMultiScale(gray, 1.3, 5)
    
    for (x,y,w,h) in birds1:
        cv2.rectangle(img,(x,y),(x+w,y+h),(255,255,0),2)
        font = cv2.FONT_HERSHEY_SIMPLEX
        cv2.putText(img, 'Bird', (x-w, y-h), font, 0.5, (0,255,255), 2, cv2.LINE_AA)

    for (x,y,w,h) in birds2:
        cv2.rectangle(img,(x,y),(x+w,y+h),(255,255,0),2)
        font = cv2.FONT_HERSHEY_SIMPLEX
        cv2.putText(img, 'Bird', (x-w, y-h), font, 0.5, (0,255,255), 2, cv2.LINE_AA)
        
 
    cv2.imshow('img',img)
 
    k = cv2.waitKey(30) & 0xff
    if k == 27:
        break
 
cap.release()

cv2.destroyAllWindows()