Retraction Note to: Chapter “Implementation of Hand Gesture Recognition System to Aid Deaf-Dumb People” in: S. N. Merchant et al. (eds.), Advances in Signal and Data Processing, Lecture Notes in Electrical Engineering 703, https://doi.org/10.1007/978-981-15-8391-9_14

The volume editors are retracting this chapter published in the book “Advances in Signal and Data Processing”, pages 183–194, https://doi.org/10.1007/978-981-15-8391-9_14 because following its publication, serious concerns were brought to the publisher's attention regarding a lack of collaboration between the authors and the community described in the article and consultation with the relevant background literature. These issues undermine the soundness of the research and also resulted in the use of outdated language. The Volume Editors regret publishing the article and offer their apologies. The authors agree to the retraction and offer their sincere apologies for any hurt caused.