Title :
Requirements and techniques for an automated change detection system
Author :
Dai, Xiaolong ; Khorram, Siamak
Author_Institution :
Center for Earth Obs., North Carolina State Univ., Raleigh, NC, USA
Abstract :
To enhance the ability of remote sensing system to provide accurate, timely, and complete geospatial information at regional and/or global scale, an automated change detection system has been and will continue to be one of the important yet challenging problems in remote sensing. This research was designed to evaluate the requirements and prototype the algorithms for an automated change detection system at landscape level using various geospatial data sources including multisensor remotely sensed imagery and ancillary data layers. In this paper, the requirements for an operational change information extraction system and its associated techniques are discussed. These techniques are included in three subsystems: automated computer image understanding, multisource data fusion, and database updating and visualization
Keywords :
geophysical signal processing; geophysical techniques; image processing; image sequences; remote sensing; sensor fusion; terrain mapping; algorithm; automated change detection system; automated computer image understanding; change detection; database updating; geophysical measurement technique; image processing; image sequence; land surface; multisource data fusion; operational change information extraction system; remote sensing; sensor fusion; terrain mapping; Algorithm design and analysis; Change detection algorithms; Data mining; Earth; Image databases; Prototypes; Radar detection; Remote sensing; Testing; Visual databases;
Conference_Titel :
Geoscience and Remote Sensing Symposium Proceedings, 1998. IGARSS '98. 1998 IEEE International
Conference_Location :
Seattle, WA
Print_ISBN :
0-7803-4403-0
DOI :
10.1109/IGARSS.1998.702340
