GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER-VII (NEW) EXAMINATION - WINTER 2020
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Subject Code:2170712 Date:30/01/2021Subject Name:Image Processing
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.
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2. Make suitable assumptions wherever necessary.3. Figures to the right indicate full marks.
Q.1 (a) List down Components of Digital Image Processing. 03
(b) What are the real world applications of Image Processing? 04
(c) Define the Image Enhancement. Explain different Spatial domain Enhancement method. 07
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Q.2 (a) Discuss any one filter method for smoothing in Frequency Domain. 03
(b) Difference between lossy and lossless image compression? 04
(c) How does the histogram equalization process enhance the image? 07
Q.3 (a) Write a short note on inverse filtering. 03
(b) Define histogram of an Image and explain its applications. 04
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(c) Draw the block diagram of Image enhancement in frequency domain and explain in brief. 07Q.4 (a) Explain Basic Gray Level Transformations. 03
(b) Explain Color Slicing and Color Complements in Color transformation 04
(c) Discuss any two filter in image restoration using spatial domain filtering 07
Q.5 (a) Define (i) Spatial resolution, (ii). Gray level resolution 03
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(b) Explain any two noise modelsin image restoration. 04(c) Write a short note on Discrete Wavelet Transform. 07
Q.6 (a) Compare the Laplacian and Gradient operators. 03
(b) Describe various arithmetic operations on image with its importance. 04
(c) List out the applications of each color model. Explain any one color model in brief. 07
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Q.7 (a) List outusages of X ray and Infrared ray imaging. 03
(b) Explain Source Encoder and Decoder in Image Compression. 04
(c) Describe image pyramid technique. 07
Q.8 (a) Whatis Image segmentation? What is discontinuity based segmentation. 03
(b) Difference between Global Thresholding and Adaptive Thresholding. 04
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(c) Explain Hough Transform in Edge Linking and Boundary Detection. 07--- Content provided by FirstRanker.com ---
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