The DEVISIGN database has been constructed under the sponsors of Microsoft Research Asia by VIPL group, ICT, CAS. The goals to create the Chinese Sign Language database include: providing the wordwide researchers of SLR community a large vocabulary Chinese SL database for training and evaluating their algorithms; advancing the state-of-the-art SLR technologies aiming at practical applications especially for the unknown signer situation.
Currently, the DEVISIGN database covers 4414 standard Chinese Sign Language vocabularies and totally contains 331,050 vocabulary data of 30 individuals(13 males and 17 females). Each vocabulary data is composed of RGB video(in “avi” format), the depth and skeleton information (in “bin” format). This database contains both inter-sign and intra-sign changes. For 15 signers, the data were collected by 4 times and for the remaining signers, the data were captured only one time.