Abstract: Sign language is the way of communication among the Deaf-Dumb and physically impaired people by performing specific gesture. Deaf and Dumb people face struggle in expressing their feeling to other people. This creates communication gap between normal human beings and deaf and dumb people. Sign language recognition getting more and more attention of research due to widespread applicability. This paper based on Sign language Recognition approaches that aims to provide communication way for Deaf and Dumb Community over Society. There are main two approaches for sign language recognition is Sensor based and Image based is discussed in this paper.
Keywords: Sign language recognition, Image based recognition, Sensor based recognition.