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Module I
Introduction to Digital Signal processing, Fourier and z transform multidimensional sequences, Digital image processing in practice, digitizing images, characteristics of an image digitiser, types of image digitisers, components, electronic image tubes, other systems , film scanning digital image displays, display characteristics technologies, image processing software, software organisation, processing sequence, the grey level , Histogram, introduction to histograms, uses of histograms, relations between histogram and image. Point operations, uses, linear point operations, point operations and the histogram, applications of point operations.
Module II
Introduction to Algebraic operations, applications, geometric operations, grey level interpolation, spatial transformation, applications, geometric operations, linear filtering theory - Harmonic signals and complex signal analysis, Convolution operation, applications of digital filtering some useful functions, convolutional filtering, 2 - dimensional sampling, reconstruction of images from its samples Nyquist rate, Aliasing and foldover frequencies. Nonrectangular grid sampling. Practical limitations in sampling and construction. Display aperture and interpolation, Moire Effect and flat field response. Processing sampled data, computing data, truncation, optics and system analysis, diffraction limited optical systems, Aberrations in an imaging system.
Module III
Applications of digital image processing - image restoration, approaches and models, super resolution, system identification DTF from degraded image spectrum, noise modelling Image segmentation by thresholding optimal threshold selection, gradient optical threshold selection, gradient based methods, region growing techniques - segmented image structure. Measurement and classification size, shape , measurements, feature selection, classification 3 dimentional image processing optical sectioning, CAT stereo - metric ranging, stereoscopic image display - shaded surface display.
Text books: -
1. Kenneth R Castleman - Digital Image Processing- Prentice Hall
2. Oppenheim & Schaffer - Discrete Time Signal Processing - PHI
3. Anil K Jain - Fundamentals of Digital Image Processing - PHI
4. Jensen J R - Introducing Digital Image Processing - P H Englewood cliffs
Question paper: -
The question paper will consist of two parts. Part 1 is to cover entire syllabus, and compulsory for 40 marks. This may contain 10 questions of 4 marks each. Part II is to cover 3 modules, and carries 60 marks.. There will be 3 questions from each module ( 10 marks each) out of which 2 are to be answered. |
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