Subject Code: 2181102
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE- SEMESTER-VIII (NEW) EXAMINATION — WINTER 2020
Subject Name: Fundamental of Image Processing
Time: 02:00 PM TO 04:00 PM
Instructions:
Attempt any FOUR questions out of EIGHT questions.
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Q.1 (a) What do you mean by erosion? MARKS 03
(b) Differentiate between Rods and Cones. 04
(c) Explain the working of spatial domain low pass and median filter. 07
Q.2 (a) What are the advantages of DCT over DFT? 03
(b) Explain the steps for frequency domain filtering. 04
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(c) How the JPEG compression technique works? 07
Q.3 (a) What do you mean by ringing effect? 03
(b) Explain the power law transformation for an image enhancement. 04
(c) Compare, inverse and pseudo inverse filtering 07
Q.4 (a) What do you mean by the zero padding, How it can be used? 03
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(b) Compare, Butterworth and Gaussian low pass filter 04
(c) Describe the working of High pass, High boost and High emphasis filtering. 07
Q.5 (a) What do you mean by thresholding? 03
(b) Explain about the different type of redundancy. 04
(c) Explain in detail the split and merge segmentation technique. 07
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Q.6 (a) What do you mean by the dilation? 03
(b) Explain about HSI color-Model. 04
(c) Explain in detail the working of canny edge detection algorithm. 07
Q.7 (a) Explain the basic block diagram of an image processing system. 03
(b) Explain about log transformation for an Image enhancement. 04
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(c) Explain in detail the Image restoration by using winner filtering. 07
Q.8 (a) What do you mean by the Image Negative? 03
(b) Compare, opening and closing operation. 04
(c) Explain in detail the Image compression by using wavelet transform. 07
Date: 19/01/2021
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Total Marks: 56
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