Syllabus: |
The eye in image perception, modulation transfer function. Image enhancements, histograms, histogram modification, histogram equalisation, histogram specification and inverse transform. Image transforms, Fourier transform, properties of the FT (separability, translational, periodicity, rotational, scaling, convolution correlation), discrete Fourier transform, the fast Fourier transform (FFT) two-dimensional and FFT. Other image transforms (Walsh, Hadamard). Digital filtering, Filter kernels, neighbourhood filters, thresholding filters, gradient filters, Laplacian filters, image, sharpening, directional illumination, filters, high and low pass filters. Geometrical distortion correction and image mosaic. Image display, colour display system, colour map, palette, pseudocolour density slicing, colour systems, CIE, RGB and HSL. Multispectral images, remote sensing, applications, principal components, astronomical images. Other techniques, feature identification using image statistics, simulated, annealing andBoltzmann machine. Artificial neural networks - concepts, approach, weights and learning schemes. |