Speech and language processing: Speech signal modelling: autoregressive/linear prediction, fractal-based nonlinear modelling, source-filter models. Speech recognition: segment-based speech recognition. Speech emotion recognition: hierarchical classification of speech emotions, speech emotion features, feature selection. Estimation of speech quality: acoustic analysis for quality estimation; estimation of vocal fold functionality; estimation of phonation level;… Show more Speech and language processing: Speech signal modelling: autoregressive/linear prediction, fractal-based nonlinear modelling, source-filter models. Speech recognition: segment-based speech recognition. Speech emotion recognition: hierarchical classification of speech emotions, speech emotion features, feature selection. Estimation of speech quality: acoustic analysis for quality estimation; estimation of vocal fold functionality; estimation of phonation level; Signal model parameter assessment; Development of sound mathematical models. Image and video signal processing: Object recognition and segmentation. Movement detection. Optical flow. Image restoration. Machine and deep learning methods development for ophthalmic, microscopy, cell classification, MRI data processing and etc. Show less