Optical pattern recognition 5 Image processing 2 Computational Complexity 1 Computer vision 1 Data Mining 1 Data processing 1 Digital techniques 1 Dissertations, Academic(Ph.D) 1 Electronic surveillance 1 Face perception 1 Human behavior 1 Image analysis 1 Imaging systems 1 Industrial applications 1 Manuscripts, Tamil 1 Mathematics 1 Neural networks (Computer science) 1 Optical Pattern Recognition 1 Optical pattern recognition. Image processing -- Statistical methods. Neural networks (Computer science) 1 Pattern recognition 1 Programming languages(Electronic computers) 1 Signal processing 1 Thesis(Ph.D)- Computer Science 1 Three-dimensional imaging 1 Visualisation 1 Wavelets,optics 1