[opencv python] cv2.imread cv2.imshow

def get_im_cv2(path):
    img = cv2.imread(path,1)
    resized = cv2.resize(img, (32, 32), cv2.INTER_LINEAR)
    #cv2.startWindowThread("preview")
    cv2.imshow("preview", resized)
    key = cv2.waitKey(0)
    if key == ord('t'):
        cv2.destroyWindow("preview")
 
    return resized


or


def get_im_cv2(path):
    img = cv2.imread(path,1)
    resized = cv2.resize(img, (32, 32), cv2.INTER_LINEAR)
    #cv2.startWindowThread("preview")
    cv2.imshow("preview", resized)
    cv2.waitKey(0)
 
    return resized


waitKey 는 반드시 써줘야 이미지가 나온다.