Cochin University of Science and Techology (CUST) 2006-8th Sem B.Tech Electronics and Communications Engineering , , EB/EC/EI 804 (A) Digital Image Processing - Question Paper
BTS(C)- VIU-06 025(1)
B. Tech Degree Vlll Semester Examination May 2006
FB/EC/EI804 (A) DIGITAL IMAGE PROCESSING (2002 Adm<ujra)
Time 3 Houn Maxnuci Msris: 100
I (a) blxpUu: the principle ofhisnan vjjioo pnocipk. (10)
(b) Define DFT. Explain bow this can be used for image compression. (10)
OR
U. () Pxplain the quantization mechanism of images. (10)
(b) Write short note on #wld transform and its application. (10)
!H. What is mcaru by image enhancing'? Write down >*rkn methods for the tune it
spatial and in frequency domain. (20) OK
IV. (a) Explain the prvtciple of htttogram equalisation. (10)
(b) Explain various edge detection techniques and compare their performances. (10)
V (a) Explain ihe significance ofcircutam and block circulant matrices (10)
(b) Explain ihe principle of Pseudo color image processing (10)
OR
VI. (a) What arc the features of vic&er filter? {<) (b) Explain the following color models :
(i) RGB (ii) CMY (iii) Ylq (iv) HIS (12)
VII (a) Explain vinous types of redundancies in images (8)
(b) Explain various MPEG standards. (12)
OR
Vlll. (a) Explain the need for compression Mention various types. (10)
(b) Write short note on JPEG coding (10)
IX. (a) Explain the significance of Houjn transform. List its advantages over other transform. (12) (b) Explain the use ofmcxion in segmentation (8)
OK
X. (a) What b meant by Dialation and erosion? (10) (b) ExpUinan>t)pc of transform for the detection of lines and curves. (10)
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