Download GTU BE/B.Tech 2018 Winter 7th Sem New 2170712 Image Processing Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 7th Sem New 2170712 Image Processing Previous Question Paper

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Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?VII (NEW) EXAMINATION ? WINTER 2018
Subject Code: 2170712 Date: 29/11/2018

Subject Name: Image Processing

Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.


MARKS

Q.1 (a) Explain Electromagnetic Spectrum 03
(b) Explain Types of Images? 04
(c) Explain Digital Imaging System? 07

Q.2 (a) What is histogram equalization? Demonstrate with example. 03
(b) Explain the following edge extraction operators
i. Sobel ii. Prewitt iii. Roberts iv. Laplacian v. Fri-chen
04
(c) Explain basic gray level transformations? 07
OR
(c) Explain following terms: 1) Luminance 2) Radiance 3) Brightness 4)
Contrast 5) Intensity and Spatial Resolution 6) Modulation Transfer
Function 7) Dynamic Range.
07
Q.3 (a) Explain Image restoration Model? 03
(b) Explain DFT and DCT with their applications in image processing
field.
04
(c) Write steps for filtering of image in frequency domain. Also explain
ringing effect and Gaussian Highpass Filter.
07
OR
Q.3 (a) Explain mean and median filtering with example? 03
(b) Explain Homomorphic filtering? 04
(c) Explain spatial correlation and convolution with suitable example. 07
Q.4 (a) Explain machband effect and weber ratio 03
(b) Explain Gaussian filter 04
(c) Explain Bitplane coding with example 07
OR
Q.4 (a) Explain Haar Transform and mention its applications. 03
(b) Explain HSI color model with all essential figure and equation. 04
(c) Explain Huffman Encoding with example? 07
Q.5 (a) Discuss Spatial and Temporal Redundancy of an Image. 03
(b) What is Histogram? Draw histogram patterns of Dark, Bright, Low
and High contrast Image.
04
(c) Explain LZW Coding ? 07
OR

Q.5 (a) Explain Hough Transform. 03
(b) What is edge? Explain the types of discontinuities in image. 04
(c) Explain Image segmentation using Global Thresholding. 07


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