import cv2
import numpy as np
refPt = []
cropping = False
def click_and_crop(event, x, y, flags, param):

    global refPt, cropping
    if event == cv2.EVENT_LBUTTONDOWN:
        refPt = [(x, y)]
        cropping = True
    elif event == cv2.EVENT_LBUTTONUP:
        refPt.append((x, y))
        cropping = False
        cv2.rectangle(clone1, refPt[0], refPt[1], (0, 255, 0), 2)
        cv2.imshow("image", clone1)

image = cv2.imread('orig.jpg')
x,y,z=np.shape(image)
clone1=cv2.resize(image,(592,700),interpolation=cv2.INTER_AREA)

clone=clone1.copy()
cv2.namedWindow("image")
cv2.setMouseCallback("image", click_and_crop)
while True:
    cv2.imshow("image", clone1)
    key=cv2.waitKey(1) & 0xFF
    if key == ord("r"):
        clone1 = clone.copy()
    if key == ord("c"):
        break
if len(refPt) == 2:
    roi = clone[refPt[0][1]:refPt[1][1], refPt[0][0]:refPt[1][0]]
    roi1 = cv2.resize(roi,(y,x),interpolation=cv2.INTER_AREA)
    cv2.imwrite("ROI", roi1)
    cv2.waitKey(0)
    print('Cropping Complete')
    cv2.destroyAllWindows()

clone1=cv2.resize(image,(y/2,x/5),interpolation=cv2.INTER_AREA)

a,b,c,d=(refPt[0][1])*5,(refPt[1][1])*5,(refPt[0][0])*2,(refPt[1][0])*2

roi1=image[a:b, c:d]