Image Processing for OCR
Before feeding an image to an OCR system, various image processing techniques are applied to improve text visibility and minimize noise or distortions. The basic steps are as follows: 1. Image Acquisition This is the first step, where the image is captured from a source like a scanner, camera, or downloaded from a file. The image could be in various formats such as JPG, PNG, TIFF, etc. 2. Preprocessing The goal of preprocessing is to prepare the image to make it easier for the OCR engine to read the text. Common preprocessing steps include: ...