PEI202 DIGITAL IMAGE PROCESSING AND ANALYSIS |
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Prerequisite(s):
PEI101 Digital Signal Processing Techniques |
Introduction: Basics of Image formation, Data types, Image Digitization, Sampling, Quantization, Digital Image
Properties, Image metrics, Topological Properties of Digital Images, Image
Quality, Noise in Images.
Image
Smoothing and Spatial Filtering: Logarithmic
and Contrast-Stretching, Transformations,
Histogram Processing. Histogram Equalization, Spatial Filtering, Linear Spatial Filtering,
Averaging, Min/Max, Median
Filtering, Nonlinear Spatial Filtering, Analysis of
Filtered images.
Frequency
Domain Processing: 2-D Discrete Fourier Transform, Computing and
Visualizing the 2-D DFT in MATLAB, Filtering in the Frequency Domain, Fundamental
Concepts, Basic Steps in DFT Filtering, Obtaining Frequency domain Filters
from Spatial Filters, Lowpass Frequency Domain Filters.
Image Restoration: Adding noise, Generating Spatial Random Noise with a
Specified Distribution, Periodic Noise, Estimating Noise Parameters,
Restoration in the Presence of Noise Only-Spatial Filtering, Spatial Noise
Filters, Adaptive Spatial Filters, Periodic Noise Reduction by Frequency Domain
Filtering, Modelling the Degradation Function, Direct
Inverse Filtering, Wiener Filtering, Blind De-convolution, Geometric Transformations and Image
Registration.
Image Compression: Coding Redundancy: Huffman Codes, Huffman Encoding,
Huffman Decoding, Inter-pixel Redundancy, Psychovisual
Redundancy, JPEG Compression: JPEG, JPEG 2000, Analysis techniques for image
compression.
Morphological Image Processing: Basic Concepts from Set Theory, Binary Images, Dilation
and Erosion, The Strel Function, Lookup Tables,
Labeling Connected Components, Morphological Reconstruction- Opening by
Reconstruction, Filling Holes, Cleaning Border Objects, Gray-Scale Morphology, Dilation and Erosion, Opening and
Closing, Reconstruction.
Image Segmentation: Point, Line, and Edge Detection, Hough Transform,
Global and Local Thresholding. Region-Based Segmentation, Basic Formulation, Region Growing,
Region Splitting and Merging, Segmentation Using the Watershed Transform,
Watershed Segmentation Using the Distance Transform, Using Gradients,
Introduction to Active Contours. Use of Segmentation in Image
Analysis.
Recommended Books