Digital Image Processing

Homework 3, Due 4/20

Problem 1

Enhancement Using the Laplacian

Write a program to perform unsharp masking. (Figure 3.38, Page 163)

(a) Laplacian without scaling.

(b) Laplacian with scaling.

(c) Image sharpened using the mask in Fig. 3.37(a).

(d) Image sharpened using the mask in Fig. 3.37(b).

Fig0338(a).bmp

 

Problem 2

Sobel Operator

Write a program to perform Sobel operators. (Figure 3.42, Page 168)

Fig0342(a).bmp

 

ftp your homework to

ftp://imagestud@140.127.208.168/ (New FTP site)

in the directory 影像處理\HW3

by the following format:

檔案名稱:hw#_學號.zip

例如:資工同學,作業3

    檔案名稱:hw3_a09355xx.zip

The password is given in class.