Wavelet Edge Detection Tutorial

Introduction Image edge detection refers to methods of identifying points in a digital image where brightness changes sharply. Mathematically speaking we are looking for points of discontinuity of the intensity function of the input image. The purpose of detecting edges in images is to capture changes in real world object properties such as discontinuities in

LZW Compression Method

LZW Algorithm: Introduction It is beyond our imagination to specify a ceiling for the amount of information that an individual or a group of people potentially need to store and/or exchange. Using computer systems, almost all kinds of information can be digitized and therefore saved to storage media or sent across channels all over the

Sikuli Selenium Robot Framework Tutorial

Introduction In this tutorial I will demonstrate how to integrate Sikuli (open source image based test automation tool) and Selenium (object based web automation framework) into Robot Framework (keyword and data driven test automation framework). This is not a Robot Framework Tutorial nor a Sikuli Tutorial. For more information about these technologies please visit their