A digital picture is a distribution of gray values over a predefined grid of specified image size. Digital image processing may also be said as a subset as a branch of science, where any given image can be transformed to arrays of small integers called pixels or snapshots representing a physical number such as scene radians and the digital photograph processing ways stems from two most important utility areas: growth of pictorial expertise for human figuring out and processing of photograph information for storage, transmission and representation for independent computing device belief .Edges symbolize boundaries and side detection can be stated as some of the complicated assignment in photo processing. Aspect detection is a procedure which significantly reduces the amount of knowledge and filters out vain understanding while retaining the foremost structural homes in an photograph. Area detection has many functions in snapshot processing and laptop imaginative and prescient and will probably be an foremost method in each biological and robotic vision.

Keywords : Edge detection,sobel operator, fuzzy logic;