A study on land use/land cover changes was carried out according to land resources classification system of 1:10 0000 from the Resources and Environmental Database of Chinese Academy of Sciences that was based on two composite Landsat 5 TM (Thematic Mapper) images of band 4, 3, 2 taken in 1988 and 2000 by GIS.
Based on three scenes of Landsat 5 Thematic Mapper (TM) satellite images acquired on June 26, 1994, 12 land cover types were identified by the supervised classification techniques.
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Methods of Increasing the Efficiency and Quality of Structures of Thematic Patent Databases in Patent Automated Information Control Systems
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A Model of Thematic Differentiation of Access to Information for the Hierarchical Classifier in Automatic Control Systems
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A thematic principle of differentiation of access to information on the basis of hierarchical classifier was proposed.
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The notion of thematic multirubric was introduced.
Any areal symbol of a thematic map is made of aboundary line with certain sym- bols filled in it.The boundary line may be a polygon,a smooth curve of a combination of the two,and it can be drawn as those thiner elements,while the symbols to be filled are of different types,such as parallel lines,alphabets or other pictures,and the automatic drafting methods are quite different.The key point to draw parallel lines auto- matically within a boundary line is as follows:with the help of a computer,accordin...
The design of software of surface symbol has promoted the development of thematic auto-cartography. The software is possessed of the character of serial structure in using these programs. It is composed of subprogram of surface symbol, of computing sign coordinate and of plotting out independent sign. By using the software we can design different signs of quite a lot of different thematic maps, and can automatically plot them out.The realizing process of surface symbol subprogram includes transf...
It is the main attempt of this paper to study the following two problems:1.The optic composition of two or multi-seasonal images,the detection of the env-ironment dynamic changes and the determination of the thematic boundaries by an-alyzing the composition images including different seasonal informations;2,thetransference of the thematic element with a single projection transference scops。Our aim is to solve The problems of the projective transfernce between the re-mote sensing photoglaphy and ...