Tuesday, December 8, 2009
B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2008
Seventh semester/Eight Semester
Electronics and Communication Engineering
EC 1009 - DIGITAL IMAGE PROCESSING
(Common to Information technology and Computer science and engineering)
PART A - (10x2 = 20 marks)
1. What is Image sampling and quantization?
2. List out the properties of 2D Fourier Transform.
3. Compare spatial and frequency domain methods.
4. What are the effects of applying Butterworth low pass filter to the noisy image?
5. Draw the model of image degradation process.
6. Define Pseudo inverse with an example.
7. What is inter pixel redundancy?
8. How sub image size selection affect transform coding error?
9. How edge detection is used for detecting discontinuities in a digital image?
10. Name the approaches used to describe the texture of a region.
or
(i) Walsh Transform
(ii) Discrete Cosine Transform. [Marks 16]
12. (a) Discuss in detail about Histogram processing of a digital image. [Marks 16]
or
(b) Write a detailed note on image enhancement in the frequency domain by
(i) Low pass filtering
(ii) High pass filtering. [Marks 16]
13. (a) What is image restoration? Explain the degradation model for continuous function in
detail. [Marks 16]
or
(b) Discuss about
14. (a) Explain the image compression models in detail with a neat diagram. [Marks 16]
or
(b) Differentiate between lossless and lossy compression and explain transform coding system
with a neat diagram. [Marks 16]
15. (a) Explain the concept of Thresholding in image segmentation and Discuss their merits
and limitation.[marks 16]
or
(b) Explain the Boundary descriptors in detail with a neat diagram. [Marks 16]
Click the following link to download:
http://www.ziddu.com/download/7653199/Digitalimageprocessing.pdf.html