Related projects

at Boston University


American Sign Language Linguistic Research Project

Investigation of the syntactic structure of ASL, with particular emphasis on the hierarchical representation of functional categories. Recent work has explored clausal structure: both the manual and non-manual expressions found with question phrases, tense, aspect, negation, and agreement.

NEW Data Access Interace (DAI 2)

some additional information about DAI 2

American Sign Language Linguistic Video Dataset (ASLLVD)

ASLLRP Sign Bank


SignStream® is a database tool for analysis of linguistic data captured on video. SignStream® provides a single computing environment for manipulating video and linking specific frame sequences to simultaneously occurring linguistic events encoded in a fine-grained, multi-level transcription. Designed for annotation and analysis of sign language and gesture, SignStream is distributed on a non-profit basis.

Image and Video Computing Group

Research in the computer vision fields of person, head and skin tracking, and gesture recognition.