Digital techniques 51 Image processing 51 Computer vision 12 Congresses 12 Data processing 7 Optical pattern recognition 7 Pattern recognition systems 5 Parallel processing (Electronic computers) 4 Geometry 3 Integrated circuits 3 Signal processing 3 Very large scale integration 3 Computer graphics 2 Computer programs 2 Digital filters (Mathematics) 2 Editing 2 Remote sensing 2 Art 1 C (Computer program language) 1 Civil engineering 1 Coding theory 1 Computer architecture 1 Computer networks 1 Computer-aided engineering 1 Computers, Optical 1 Congresses, 1 Cryptography 1 Digital mapping 1 Digital video 1 Document imaging systems 1