Digital techniques Image processing 1 880 Signal processing 1 362 Photography 861 Data processing 340 Computer graphics 329 Computer vision 227 Sound 202 Recording and reproducing 199 Pattern recognition systems 151 Mathematics 143 Digital cameras 133 Image analysis 109 MATLAB 109 Adobe Photoshop 95 Imaging systems 94 Diagnostic imaging 88 Computer programs 81 Design and construction 80 Digital video 80 Multimedia systems 79 Speech processing systems 61 Adobe Photoshop elements 52 Remote sensing 47 Algorithms 46 Special effects 45 Computer algorithms 41 Digital communications 41 Texas Instruments TMS320 series microprocessors 40 Cinematography 39