Code No: RT41043
R13 Set No. 1
IV B.Tech I Semester Supplementary Examinations, March - 2021
DIGITAL IMAGE PROCESSING
(Common to Electronics and Computer Engineering, Electronics and Communication
Engineering and Electronics and Instrumentation Engineering)
Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****
PART–A (22 Marks)
1. a) What is the need for transform? What is Image transform and list the applications
of Image transform. [4]
b) What is the objective of Image enhancement? Define Spatial domain. [3]
c) Compare Constrained restoration and Unconstrained restoration. [3]
d) What is color? Define color image processing and enlist various types of color
image processing. [4]
e) Define the terms Data Compression & Compression Ratio. What are the types of
data Compression? [4]
f) Write short note on grey scale morphology. [4]
PART–B (3x16 = 48 Marks)
2. a) Enlist various fundamental steps in Digital image Processing with a neat block
diagram. [8]
b) Explain about practical examples of EM spectrum. [8]
3. a) Briefly explain about Image enhancement using Point processing technique. [8]
b) Explain Homomorphic filtering in detail. [8]
4. a) Draw the block diagram of the restoration process and explain each block. [8]
b) Compute Circulant matrix when length f(x) is ‘4’ and h(x) is ‘3’. [8]
5. a) With help of block diagram explain about full color image processing. [8]
b) Explain in detail about the HSI and CMYK color spaces. [8]
6. a) With neat sketches explain Wavelet coding technique. [8]
b) Explain the concept of Wavelet Packets. [8]
7. a) Explain about segmentation based on discontinuities and segmentation based on
Similarities. [8]
b) Explain the concept of Hit or Miss Transformation. [8]
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