Vision

import cv2 as cv
cap = cv.VideoCapture(0)
while True:
    ret, frame = cap.read()
    cv.imshow('Frame', frame)
    hsv = cv.cvtColor(frame, cv.COLOR_BGR2HSV)
    hsv = cv.blur(hsv, (5, 5))
    mask = cv.inRange(hsv,(89, 124, 73), (255, 255, 255))  # bgr: 45 123 73 | 89 124 73
    cv.imshow('Mask', mask)
    mask = cv.erode(mask, None, iterations=2)
    mask = cv.dilate(mask, None, iterations=4)
    cv.imshow('Mask2', mask)
    contours = cv.findContours(mask, cv.RETR_TREE, cv.CHAIN_APPROX_NONE)
    contours = contours[1]
    if contours:
        contours = sorted(contours, key=cv.contourArea, reverse=True)
        cv.drawContours(frame, contours, 0, (255, 0, 255), 3)
        cv.imshow('Contours', frame)
        (x, y, w, h) = cv.boundingRect(contours[0])
        cv.rectangle(frame, (x, y), (x+w, y+h), (0, 255, 0), 2)

    if cv.waitKey(1) == ord('q'):
        break
cap.release()
cv.destroyAllWindows()