Simple python code to capture images from a webcam

image_capture.py

# -*- coding: utf-8 -*-
"""
Spyder Editor

This is a temporary script file.
"""

# Install OpenCV with 
#   pip install opencv-python

# https://stackoverflow.com/questions/26583316/python-3-capture-image
# https://docs.opencv.org/3.0-beta/doc/py_tutorials/py_gui/py_video_display/py_video_display.html

import cv2 
import matplotlib.pyplot as plt

cam = cv2.VideoCapture(0)
s, img = cam.read()

print("Frame default resolution: (" + str(cam.get(cv2.CAP_PROP_FRAME_WIDTH)) 
    + "; " + str(cam.get(cv2.CAP_PROP_FRAME_HEIGHT)) + ")")

def set_res(cap, x,y):
    cap.set(cv2.CV_CAP_PROP_FRAME_WIDTH, int(x))
    cap.set(cv2.CV_CAP_PROP_FRAME_HEIGHT, int(y))
    return str(cap.get(cv2.CV_CAP_PROP_FRAME_WIDTH)), 
        str(cap.get(cv2.CV_CAP_PROP_FRAME_HEIGHT))