This paper provides a brief introduction to the methods for generating fuzzy categorical maps from remotely sensed images (in graphical and digital forms).This is followed by a description of the slic
This research,by use of RS image_simulating method,simulated apparent reflectance images at sensor level and ground_reflectance images of SPOT_HRV,CBERS_CCD,Landsat_TM and NOAA14_AVHRRs corresponding
Some rules of simplification of area feature boundary and the method of acquiring spatial knowledge,such as maintaining area and shape of area feature,are discussed.This paper focuses on the progressi
With hypermedia technology the structure of a publication can be re_arranged to accommodate more easy cognition of the idea and concept by linking the concepts which are represented by different medi
We have determined approximate average rates of deformation in the Qinghai_Tibet plateau and its margins from the GPS data for last 10 years and the moment tensors from earthquakes between 1900 and 19
This paper discusses the rules representing relief with contour lines and methods for automatically constructing relation of contour lines.Meanwhile,the improvement of existent methods for extracting