Pattern Recognition and its Applications in Air Writing Recognition
Professor Dr. Umpada Pal
Professor & Former Head of the Department of Computer Vision and Pattern Recognition Unit
Indian Statistical Institute, Kolkata, India
🗓️ Date: 26th June 2023 (Monday)
🕙 Time: 11.00 am
📍Venue: Bilik Kuliah (BK), Block A, Faculty of Computer Science & Information Technology, University of Malaya
📋 Registration Link: https://forms.gle/xBw5mJc6tVLrLFtj6
Air-writing systems render a form of gestural human-computer interaction. Such systems are especially useful for building advanced user interfaces that do not require traditional mechanisms of linguistic input, such as pen-up-pen-down motion, hardware input devices, or virtual keyboards. On the contrary, these advanced systems provide an interface for writing through hand gestures in three-dimensional space with six degrees of freedom.
The input scheme in such systems fundamentally differs from a generic pen-up-pen-down input mechanism because, in the case of the former, there is no robust way of defining start (pen-down) and stop (pen-up) states while writing.
Unlike conventional writing, air-writing systems lack actual anchoring and reference positions on the writing plane. Gestures are guided by considering imaginary axes in three-dimensional space. Consequently, these facts contribute to the increased variability of writing patterns for such systems, thereby accounting for the non-trivial nature of the problem. This talk includes a discussion on several techniques for air writing recognition and demonstration.
See you soon!