webcam - GitPress.io

Example Python program webcam.py

Modules

import tkinter
import cv2
from PIL import Image
from PIL import ImageTk

Methods

def videoLoop():

Code

Python tkinter example

import tkinter
import cv2
from PIL import Image
from PIL import ImageTk

root = tkinter.Tk()

# The frame is used for layout management
imageFrame = tkinter.Frame(root, width=800, height=600)
imageFrame.grid(row=0, column=0, padx=10, pady=2)

# Added a label to the frame to display the image
panel = tkinter.Label(imageFrame)
panel.grid(row=0, column=0)

cap = cv2.VideoCapture(0)
# Check if the webcam is opened correctly
if not cap.isOpened():
    raise IOError("Cannot open webcam")


def videoLoop():
    ret, frame = cap.read()
    cv2image = cv2.cvtColor(frame, cv2.COLOR_BGR2RGBA)

    img = Image.fromarray(cv2image).resize((800, 600))
    imgtk = ImageTk.PhotoImage(image=img)
    panel.imgtk = imgtk
    panel.configure(image=imgtk)
    panel.after(10, videoLoop)

videoLoop()
root.mainloop()

Useful Links

Articles: https://python-commandments.org/
Python shell: https://bsdnerds.org/learn-python/
Tutorial: https://pythonprogramminglanguage.com/