PMID- 16847792
OWN - NLM
STAT- MEDLINE
DCOM- 20071221
LR  - 20191026
IS  - 1938-1352 (Electronic)
IS  - 0748-7711 (Linking)
VI  - 43
IP  - 2
DP  - 2006 Mar-Apr
TI  - Development of a Remote Accessibility Assessment System through three-dimensional 
      reconstruction technology.
PG  - 257-72
AB  - A Remote Accessibility Assessment System (RAAS) that uses three-dimensional (3-D) 
      reconstruction technology is being developed; it enables clinicians to assess the 
      wheelchair accessibility of users' built environments from a remote location. The 
      RAAS uses commercial software to construct 3-D virtualized environments from 
      photographs. We developed custom screening algorithms and instruments for 
      analyzing accessibility. Characteristics of the camera and 3-D reconstruction 
      software chosen for the system significantly affect its overall reliability. In 
      this study, we performed an accuracy assessment to verify that commercial 
      hardware and software can construct accurate 3-D models by analyzing the accuracy 
      of dimensional measurements in a virtual environment and a comparison of 
      dimensional measurements from 3-D models created with four cameras/settings. 
      Based on these two analyses, we were able to specify a consumer-grade digital 
      camera and PhotoModeler (EOS Systems, Inc, Vancouver, Canada) software for this 
      system. Finally, we performed a feasibility analysis of the system in an actual 
      environment to evaluate its ability to assess the accessibility of a wheelchair 
      user's typical built environment. The field test resulted in an accurate 
      accessibility assessment and thus validated our system.
FAU - Kim, Jong Bae
AU  - Kim JB
AD  - Department of Rehabilitation Science and Technology, University of Pittsburgh, 
      5044 Forbes Tower, Pittsburgh, PA 15260, USA. jbkim@pitt.edu
FAU - Brienza, David M
AU  - Brienza DM
LA  - eng
PT  - Journal Article
PT  - Research Support, U.S. Gov't, Non-P.H.S.
PL  - United States
TA  - J Rehabil Res Dev
JT  - Journal of rehabilitation research and development
JID - 8410047
SB  - IM
MH  - Computer Graphics
MH  - Disabled Persons/rehabilitation
MH  - Environment
MH  - *Environment Design
MH  - Feasibility Studies
MH  - Humans
MH  - *Imaging, Three-Dimensional
MH  - Models, Structural
MH  - Sensitivity and Specificity
MH  - Software
MH  - *User-Computer Interface
MH  - Wheelchairs
EDAT- 2006/07/19 09:00
MHDA- 2007/12/22 09:00
CRDT- 2006/07/19 09:00
PHST- 2006/07/19 09:00 [pubmed]
PHST- 2007/12/22 09:00 [medline]
PHST- 2006/07/19 09:00 [entrez]
AID - 10.1682/jrrd.2004.12.0163 [doi]
PST - ppublish
SO  - J Rehabil Res Dev. 2006 Mar-Apr;43(2):257-72. doi: 10.1682/jrrd.2004.12.0163.