CIT 095 Study Guide - Midterm Guide: Barcode Reader, Opencv, Barcode
Document Summary
Chapter 11: make a barcode reader in python. Learn how to make a barcode scanner that decodes barcodes and draw them in the image using pyzbar and opencv libraries in python. A barcode is a method of representing data in a visual and machine-readable form, it consists of bars and spaces. Today, we see barcodes everywhere, especially in products in supermarkets. Related: how to extract frames from video in python. To get started, we need to install few libraries: pip3 install pyzbar opencv-python. Once you have these installed, open up a new python file and import them: from pyzbar import pyzbar import cv2. I have few images to test with, you can use any image you want from the internet or your own disk, but you can get my test images in this directory. I have wrapped every functionality into a function, the first function we gonna discuss is the following: def decode(image):
