UNIT 1:
Image formation and description – digital image representation-element of visual perception-sampling and quantisation -elements of digit image processing systems.

UNIT II:
Image transform, digital image transforms-fourier transform-extension 2D. DCT Walsh, Hadamard Transforms

UNIT III:
Image enhancements segmentation – histograms modification – image smoothing – image sharpening – thresholding- edge detection segmentation point and region dependent techniques. Color image processing ; color fundamentals, color models pseudo - color image processing – intensity slicing gray level to color transformation , filtering approach, full – color image processing

UNIT IV:
Image encoding – fidelity criteria – transform compression – K L,Fourier DCT, spatial compression run length coding – Huffman coding – color coding restoration, restoratin models, inverse filtering – least squares filtering – recursive filtering

Text Book:
1. Gonzalez R.C, Woods R.E digital Image Processing, Addison Wesley

Reference Books:
1. Rosenfeld A, Kak A C digital picture processing, vo 1 & 2, Academic press
2. Fundamentals of digital image processing Anil K. Jain, Prentice-Hall of India