Inspec keywords: learning (artificial intelligence); video signal processing; vectors; natural language processing; image classification; language translation; feature extraction; pattern clustering; computer vision; handicapped aids; sign language recognition

Other keywords: boosted subunit; English; feature vector; joint learning strategy; vision-based sign language recognition; spatiotemporal descriptor extraction; subunit clustering; hand gesture video

Subjects: Natural language interfaces; Machine translation; Video signal processing; Computer vision and image processing techniques; Image recognition