图像处理实验任务书2013版.doc

《图像处理》 实验指导书 10学时 实验报告要求 做好实验相关预习工作，了解实验的目的与内容。每次实验报告中，首先写清实验目的。然后，写出实验内容中的题目、程序清单（加上必要注释）、程序运行结果 (可将图像处理效果图附在实验报告中；对综合应用性较高的题目，要求在给出代码前，绘制算法设计的流程图）。最后，给出100-50字的实验体会或总结。要求必须写在实验报告中，图片效果可以剪贴到报告册上。每次实验报告首页页眉写上实验时间、指导老师姓名。 实验报告要求手写在实验报告册中，请勿打印。 实验一　Matlab图像显示与图像运算 （2学时） 【实验目的】 熟悉Matlab的编程环境及其基本用法掌握MATLAB语言中图数据与信息的读取方法；Introduction???? In the following we give a short overview on a very limited set of basic image processing functions provided by MATLAB. The function descriptions only cover the basic usage, more detailed information can be found in the manual pages by typing doc functionName at the MATLAB command line. MATLAB provides with it’s image processing toolbox many powerful and very efficient image processing functions (see function list of the image processing toolbox). With this it is very simple to implement complex image processing applications, especially for fast prototyping. On the backside, a lot of understanding how image processing works is hidden within black boxes and temps to make things more complicate than they really are. 2、Image representation In MATLAB a binary and gray-scale image is represented by one 2-dimensional array, whereas a color image are represented by a 3-dimensional array (one 2-dimensional array for each of the color planes or color channels red, green and blue): The origin of the image is in the upper left and the size of the image is defined by the parameter width (number of columns of the array) and height (number of rows of the array). Note that the x- and y-coordinates are chosen such that the z-axis points to the front. A single point within the image is called pixel. A gray-scale or binary pixel consists of one data value, a color pixel consists of 3 data values (each for one of the color channels). The most common data types of the individual pixels are: uint8 unsigned integer: data range 0..255 double double precision float: data range 0.0 ... 1.0 Binary images have pixel values of 0’s and