Digital Image Processing

Homework 3, Due 4/23

 

Problem 1

Histogram Matching

Specify a desired histogram as Figure 3.25(a) on Page 138 and then perform the histogram matching.

Fig3.23(a).bmp

 

Problem 2

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 3

Sobel Operator

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

Fig0342(a).bmp

 

 

ftp your homework to

ftp://csc551@140.127.208.211/

in the directory \HW3

by the following format:

檔案名稱:hw#_學號.zip

例如:資工同學,作業4

    檔案名稱:hw4_a09755xx.zip.  (注意:檔案名稱不能有中文)

The password is given in class.