Digital Image Processing

Unit-I
Digital Image fundamentals, A simple image model, Sampling and Quantization. Relationship
between pixels. Imaging geometry. Image acquisition systems, Different types of digital images
Unit-II
Image transformations, Introduction to Fourier transforms, Discrete Fourier transforms, Fast
Fourier transform, Walsh transformation, Hadmord transformation, Discrete Cosine
Transformation.
Unit-III
Image enhancement, Filters in spatial and frequency domains, Histogram based processing.
Image subtraction, Averaging, Image smoothing, Nedion filtering, Low pass filtering, Image
sharpening by High pass filtering.
Unit-IV
Image encoding and segmentation, Encoding: Mapping, Quantizer, Coder. Error free
compression, Lossy Compression schemes. JPEG Compression standard. Detection of
discontinuation by point detection, Line detection, edge detection, Edge linking and boundary
detection, Local analysis, Global processing via Hough transforms and graph theoretic
techniques
Unit-V
Mathematical morphology- Binary, Dilation, crosses, Opening and closing, Simple methods of
representation, Signatures, Boundary segments, Skeleton of a region, Polynomial
approximation


References:
1. Rafael C Gonzalez, Richard E Woods 3rd Edition, Digital Image Processing Pearson.
2. Rafael C Gonzalez, Richard E Woods 3rd Edition, Digital Image Processing using Matlab –
TMH.
3. Sonka, Digital Image Processing & Computer Vision , Cengage Learning
4 Jayaraman, Digital Image Processing, TMH.
5. Pratt, Digital Image Processing, Wiley India
6 Annadurai, Fundamentals of Digital Image Processing ,Pearson Education .