Digital Image Processing (using Java)
Digital Image Processing (using Java)
Digital Image Processing (using Java)
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LISTING 5.17 <strong>Java</strong> code to average a set of images.public static Buffered<strong>Image</strong> average (Buffered<strong>Image</strong>[] imgArray ){int n = imgArray.length;int w = imgArray[0].getWidth(); //assume that they all haveint h = imgArray[0].getHeight(); //the same dimensionsBuffered<strong>Image</strong> average =new Buffered<strong>Image</strong>(w, h, Buffered<strong>Image</strong>.TYPE_BYTE_GRAY);}for (int y = 0; y < h; ++y)for (int x=0; x < w; ++x)float sum = 0.0f;for (int I = 0; I < n; ++i)sum += imgArray[i].getRaster().getSample(x, y, 0);raster.setSample (x, y, Math.round (sum/n));}return average;(p.102)Exercise 5.71. Write a <strong>Java</strong> program that will(a) Display an image(b) Allow the user to select a region of interest (ROI)(c) Extract this ROI from the image(d) Write the ROI to a user-specified file(p.111)- 19 -
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