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Development of Indian Sign Language Dictionary using Synthetic Animations
Objective: Development of Indian Sign Language video dictionary is essential in the today’s world of computerization. Though a lot of human video sign language dictionaries are available, we aim to develop the Indian Sign Language dictionary using synthetic animation which uses the computer generated cartoon rather than real human. Methods/Statistical Analysis: Sign Language cannot be spoken or written unlike other languages like English, Punjabi, Hindi, etc. The most commonly used words in Indian Sign Language are categorized and then these words are converted into the sign language writing notation (HamNoSys - Hamburg Notation System). This HamNoSys notation is then converted into SiGML (Signing Gesture Markup Language) using which the synthetic animation (using a computer generated cartoon) of the sign is generated. Findings: The synthetic animations are better as compared to human videos in terms of memory consumption, standardization, and flexibility. Synthetic animations can be modified as per the requirement whereas the human videos cannot be modified. The only drawback that seem is, these synthetic animations may lack the natural non-manual component of sign. Applications/Improvements: The synthetic dictionary created in this work can be used for translation system in which spoken or written sentence can be converted into the sign language animation. The dictionary created can be used to education to hard of hearing people. Display boards can be created for displaying the important messages in Indian sign language at the public gathering.
HamNoSys, Machine Translation System, Natural Language Processing, Sign Language, SiGML.
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