Concept of a digital image, Methods of acquisition of digital images from conventional and space-borne scanners, Distortions in Space-borne Digital images and Restoration, Matching and Registration of satellite images, Digital Image Enhancement through Point Operations, Neighbourhood Operations on Satellite Images, Image Transforms ? Fourier, Wavelet, Hough, Colour and PCT ArithmeticOperations, Digital Image Analysis Through Supervised and Unsupervised Classification, Post-classification Analysis ? statistical accuracy estimation.

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