[Foss4g2009] Errata - Presentation Bios

[Venka]

Dear All,

I am awaiting some response and follow-up for
my request below.

Thanks in advance.

Venka

Venka wrote:
> Dear All,
> 
> Could you kindly make changes our abstract submission
> http://2009.foss4g.org/presentations/#presentation_155
> as below to;
> 
> There is no change in the abstract. only in the presenters and bio.
> 
> Sorry for the trouble and thanks in advance.
> 
> Best regards
> 
> Venka
> -------------------------------------------------------------------------
> 
> Open Web Processing Services for Improving Accuracy of GPS tracks using
> Filtering and Map-Matching
> 
> Abstract: This paper presents open geo-processing services to support
> co-registering the vehicle GPS traces with road network, based on open
> GIS standards and open source geospatial software. An integrated approach
> is proposed to glue open source geospatial software to provide Web Services
> for enhancement of GPS tracks. Map matching algorithms for vehicle tracking
> data are implemented using the PyWPS interface. Track-logs are stored in 
> the
> PostgreSQL/PostGIS enabling handling of large volume data of road network
> and the Openlayers client is used to visualize the processing results. 
> As a part
> of the core processes of map matching in PyWPS, specific filters of GPS 
> tracks,
> related to vehicle motion characteristics, are first applied to produce 
> high quality
> vehicle trajectories. Secondly, advanced curve-to-curve distance 
> measurement
> algorithms - Hausdorff distance and Frechet distance are implemented in 
> Python
> to perform map matching of road network. The system has been tested 
> under dense
> urban road network conditions in Osaka City in Japan. The results of the 
> experiments
> suggest that the Web Services are effective for retrieval of the paths 
> from urban street
> network and accurate matching of tracking data form low-cost GPS 
> tracking devices.
> The services implemented as a part of this research will be not only 
> useful for vehicle
> tracking but also for automated update of road network and in improving 
> quality of
> community driven geo-data collection initiatives such as the Open Street 
> Map.
> 
> Presenters: Xianfeng Song, Venkatesh Raghavan and Daisuke Yoshida
> 
> Biography:
> 
> Xianfeng Song research interest is Geo-Processing Workflow and their
> applications in infrastructure management and environment modeling. His
> current research include (1) Optimizing geospatial Web services chain
> based on QoS (2) SWAT model for hydrology simulation and sediment yield
> estimation (3)Map-Matching and LBS Services. He is presently Associate
> Professor at the Graduate University of Chinese Academy of Sciences.
> He is an active member of the OSGeo-China Chapter.
> 
> Venkatesh Raghavan (Venka) has been involved in OSGeo since its
> inception. He was one of the Directors in the first OSGeo Board and is
> currently a Charter Member. He is deeply involved in OSGeo Local
> Chapters in Asia. Presently based in Japan as Professor of
> Geoinformatics at Osaka City University. His research interest
> include distributed geoprocessing, Sensor Net and Remote Sensing
> for change detection.
> 
> Daisuke Yoshida is a doctoral student at the Graduate School of
> Creative Cities, Osaka City University and works at the Faculty of
> Liberal Arts, Tezukayama Gakuin University as a lecturer. He has
> participated on a Japanese volunteer program, JICA in the Philippines to
> provide technical assistance for implementing SDI prototype using
> FOSS4G tools. His research interests are Web-GIS development, LBS,
> Real-time GPS, Mobile GIS and digital archives. He has also been a
> FOSS4G trainer at several international workshops. He is board member
> OSGeo-Japan Chapter and organizer for FOSS4G-Osaka annual events.
>