import cv2
import numpy as np

cap = cv2.VideoCapture(0)

while(1):

    # Take each frame
    _, frame = cap.read()

    # Convert BGR to HSV
    img = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)

    ret,thresh1 = cv2.threshold(img,157,255,cv2.THRESH_BINARY)
    ret,thresh2 = cv2.threshold(img,137,255,cv2.THRESH_BINARY_INV)
    ret,thresh3 = cv2.threshold(img,207,255,cv2.THRESH_TRUNC)
    ret,thresh4 = cv2.threshold(img,77,255,cv2.THRESH_TOZERO)
    ret,thresh5 = cv2.threshold(img,197,255,cv2.THRESH_TOZERO_INV)


    cv2.imshow('frame',frame)
    cv2.imshow('T1',thresh1)
    cv2.imshow('T2',thresh2)
    cv2.imshow('T3',thresh3)
    cv2.imshow('T4',thresh4)
    cv2.imshow('T5',thresh5)
    k = cv2.waitKey(5) & 0xFF
    if k == 27:
        break

cv2.destroyAllWindows()