Digital image processing methods based on Visual C#.NET

In the paper we introduce three methods for image processing, they are pixel extraction method, memory method and pointer method. With the same condition of data structure and algorithm, the three methods are used in edge detection for the digital images. In order to compare the actual operation efficiency of these three kinds of methods, we use C# to write a Windows Form Application program in the environment of Visual Studio 2008. The experimental results show that: using pointer method to process digital image has the best execution efficiency in the same conditions.