Before we can make use of the designed image filter effects in an interactive way, we need to set up the main script and design a GUI application.
To run the application, we will turn to the
chapter1.py. script, which we will start by importing all the necessary modules:
import numpy as np import wx import cv2
We will also have to import a generic GUI layout (from
gui) and all the designed image effects (from
from gui import BaseLayout from filters import PencilSketch, WarmingFilter, CoolingFilter, Cartoonizer
OpenCV provides a straightforward way to access a computer's webcam or camera device. The following code snippet opens the default camera ID (
0) of a computer using
def main(): ...