From this Book You can Execute the Basic Concepts of Image Segmentation Using MATLAB, We Provide Source Code For Complete Image Segmentation. It discusses the fundamentals as well as the advances in Basic Image Processing, Since edge detection is the initial step in object boundary extraction and object recognition, it is important to know the differences between different edge detection operators. In this book an attempt is made to review the edge detection techniques which are based on discontinuity intensity levels. The relative performance of various edge detection techniques is carried out with two images by using MATLAB software. It have been observed that that the Canny edge detector produces higher accuracy in detection of object edges with higher entropy, PSNR, MSE and execution time compared with Sobel, Roberts, Prewitt, Zero crossing and LOG.