Book: Digital Image Processing 3rd edition.

Website: http://www.imageprocessingplace.com/DIP-3E/dip3e_book_images_downloads.htm

Fig. 2.20(a):

2.6 Zooming and Shrinking Images by Bilinear Interpolation (a) Write a computer program capable of zooming and shrinking an image by bilinear interpolation. The input to your program is the desired resolution (in dpi) of the resulting image. (b) Download Fig. 2.20 (a) from the book web site and use your program to shrink this from 1250 dpi to 100 dpi. (c) Use your program to zoom the image in (b) back to 1250 dpi. Explain the reasons for their differences 2.6 Zooming and Shrinking Images by Bilinear Interpolation (a) Write a computer program capable of zooming and shrinking an image by bilinear interpolation. The input to your program is the desired resolution (in dpi) of the resulting image. (b) Download Fig. 2.20 (a) from the book web site and use your program to shrink this from 1250 dpi to 100 dpi. (c) Use your program to zoom the image in (b) back to 1250 dpi. Explain the reasons for their differences