JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech III DIGITAL IMAGE PROCESSING Previous Question Paper (March - 2024 - R16)
Part A is compulsory (25 Marks). In Part B, answer any one question from each unit (50 Marks).
Part A
List the steps involved in digital image processing.
Answer
The fundamental steps are: Image acquisition, Image enhancement, Image restoration, Color image processing, Wavelets and multi-resolution processing, Compression, Morphological processing, Segmentation, Representation and description, and Object recognition.
What are the properties of Slant transform?
Answer
The Slant transform properties include: it is a separable and unitary transform, it provides good energy compaction for images, it is computationally efficient due to the existence of a fast algorithm, and its basis vectors are capable of representing linear brightness variations across an image row.
Categorize the various frequency domain filters.
Answer
Sign in to view the complete answer paper.
Write short notes on spatial domain high pass filter.
Answer
Sign in to view the complete answer paper.
What is meant by image restoration?
Answer
Sign in to view the complete answer paper.
Differentiate between image enhancement and image restoration.
Answer
Sign in to view the complete answer paper.
Specify some fundamental conditions of segmentation.
Answer
Sign in to view the complete answer paper.
Prove that Erosion and dilation are duals of each other.
Answer
Sign in to view the complete answer paper.
What is the need for compression?
Answer
Sign in to view the complete answer paper.
What are the operations performed by error free compression?
Answer
Sign in to view the complete answer paper.
Part B
Explain the theory of sampling of an image.
Answer
Sign in to view the complete answer paper.
What is Haar function? How Haar transform is constructed from it.
Answer
Sign in to view the complete answer paper.
Derive the basis function of Walsh transform.
Answer
Sign in to view the complete answer paper.
How KL transform is different from other transforms and explain the generation of its kernel?
Answer
Sign in to view the complete answer paper.
Discuss how the various filter masks are generated to sharpen images in spatial filters.
Answer
Sign in to view the complete answer paper.
Explain about image smoothing using Ideal low pass filter, in both spatial and frequency domains.
Answer
Sign in to view the complete answer paper.
What is the purpose of image restoration? Explain the model of image degradation and restoration process using suitable block diagram.
Answer
Sign in to view the complete answer paper.
Explain about image restoration using minimum mean square error filtering.
Answer
Sign in to view the complete answer paper.
Define image segmentation. Give classification of it. Explain region based segmentation.
Answer
Sign in to view the complete answer paper.
Explain Hit-or-Mass transformation technique.
Answer
Sign in to view the complete answer paper.
How to detect a edge in an image? Explain any one method in detail.
Answer
Sign in to view the complete answer paper.
Write a short note on Huffman coding.
Answer
Sign in to view the complete answer paper.
Describe arithmetic coding with an example for compression of image.
Answer
Sign in to view the complete answer paper.
Explain the lossy and lossless predictive codes for image compression.
Answer
Sign in to view the complete answer paper.