Subject Code: 2170308
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE - SEMESTER-VII(NEW) EXAMINATION — SUMMER 2019
Subject Name: Biomedical Image Processing
Time: 02:30 PM TO 05:00 PM
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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Q.1 (a) Enlist different types of Image formats. Also give full form of that. [03]
(b) Enlist and explain different types of Neighbors and Connectivity with neat diagrams and appropriate mathematical expressions. [04]
(c) Draw and explain block diagram of image acquisition. [07]
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Q.2 (a) Enlist different types distance measurement methods between two pixels of image. explain any one with neat diagrams and appropriate mathematical expressions. [03]
(b) Explain CCD & CMOS Image sensor. [04]
(c) Explain the block diagram and basic steps for image filtering in frequency domain. [07]
OR
(c) Explain HSI color model and conversion from HSI to RGB colors. [07]
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Q.3 (a) Define Histogram. Draw histogram patterns of Dark and bright contrast Image. [03]
(b) Explain Histogram equalization technique for image enhancement. [04]
(c) Explain Opening and Closing morphological operations. [07]
OR
(c) What is feature extraction? Explain importance of it in biomedical field. [07]
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Q.4 (a) Explain bit plane slicing and importance of it with proper example. [03]
(b) Explain the Dilation and Erosion morphological operations. [04]
(c) Explain Canny edge detector. [07]
Q.5 (a) Write a short note on affine transformation for scaling operation. [03]
(b) What is Image segmentation? Write different techniques of Image segmentation. [04]
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(c) OR What is the difference between image enhancement and image restoration? [07]
(c) Explain the hit-or-miss transform and its applications in image processing. [07]
Q.5 (a) Explain various masks which are used for Line detection image discontinuity segmentation algorithm. [03]
(b) Explain Image Addition and Subtraction. [04]
(c) Explain applications of Wavelet coding and DCT coding. [07]
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OR
(c) Write short note on LZW Coding. [07]
Q.5 (a) Explain Fundamentals of Image compression. [03]
(b) Explain applications of fast Hadamard transform in image processing. [04]
(c) Write a short note on K-Means Clustering. [07]
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Date: 14/05/2019
Total Marks: 70
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