… sign language recognition (ASLR) literature: We conducted a comprehensive review of
automated sign language recognition … to almost all sign language recognition methodologies and …

… , and develop various sign languages and its related skills. … applied on sign language
recognition, visualization, and … the challenges mentioned above of sign language recognition, …

… Sign language recognition systems play the role of a moderator between … sign language
into either a spoken language or a written one. In the last decades, Sign Language Recognition (…

… with the correct sign meaning; and (2) SL translation, which focuses on generating translations
into spoken or other sign languages. Unfortunately, there are several issues that hamper …

… One of the main challenges is developing a sign language recognition system to translate
the sing words or sentences into the text or voice to facilitate the communication between deaf …

… (For brevity, we refer to these three related topics as “sign language processing” … sign
language recognition as a gesture recognition problem, ignoring the complexity of sign languages …

… -based sign language recognition are presented. … sign language recognition systems and
reveals that perfect intelligent systems for sign language recognition are still an open problem. …

… on sign language recognition has been performed on static, isolated and single handed signs
… They also highlighted the main challenges for sign language recognition. Ghanem et al. […

… trends, and barrier concerns to sign language. Different … , we used the keywords sign
language recognition to identify … than out-ofscope sign language recognition and not written in …

… Vogler and Goldstein approach the explicit problem of sign language facial expressions,
using a deformable face model [105, 106]. They showed that by matching points to the model …