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Friday, 16 March 2018

Biomedical image processing and application-Model question paper for PhD course work exam


1(a) Digital image processing covers for major areas. What are they? Explain. (08 Marks)
(b) Write a note on image reconstruction algorithm. (08 Marks)
(c) Mention achievements of Lauterbur and Mansfield in the field of biomedical image processing. (04 Marks)
2(a) What is positron emission tomography? What are its advantages? (08 Marks)
(b) Write a note on neurotransmitter-neuroreceptor binding. (06 Marks)
(c) What is HRRT? Explain using a neat figure. (06 Marks)
3(a) Distinguish between NMR and ESR. (06 Marks)
(b) Write a detailed note on first principles of MRI. (08 Marks)
(c) What is optimal geometric transformation? Explain. (6 Marks)
4(a) What is the role of ultrasound in clinical cardiology? (08 Marks)
(b) What is piezoelectricity? Mention some examples of piezoelectric crystals. (06 Marks)
(c) What is attenuation? How it is helpful in achieving equilibrium in tissue elasticity? (06 Marks)
5(a) Write notes on segmentation and smoothing. (06 Marks)
(b) Write a note on inherent building block concept in morphological processing. (06 Marks)
(c) What are erosion and dilation? How are they computed? (08 Marks)
6(a) What is SPECT? Explain. (06 Marks)
(b) What are textons? Explain. (06 Marks)
(c) Explain how texture features are used in mammography and brain imaging. (08 Marks)
7(a) Differentiate between isophote curvature and flowline curvature. (06 Marks)
(b) Write a note on use of GMMs in brain tissue and lesion segmentation. (08 Marks)
(c) Write a note on deformable simplex meshes. (06 Marks)
8(a) What is cutaneous melanoma? What is its relevance in early diagnosis? (06 Marks)
(b) Explain Heterogeneity of Enhancement Kinetics in DCE-MRI. (06 Marks)
(c) Explain how Rendering of Segmented Data is achieved in Direct Volume Rendering. (4 Marks)
(d) Write a note on Gaps of Medical CBIR Systems. (04 Marks)

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