200 
FIGURE 2. Diagram of reverse matching 
[REFERENCES] 
(1) Wang Zhizhuo:’Principle of Photogrammetry’,Publishing House of 
Surveying and Mapping. Beijing 1979. 
(2) Yang Kai, Sun Jiabing, et.al: ’Principle and Methods of Image 
Processing in Remote Sensing’,Beijing,1988.Publi- 
shing House of Surveying and Mapping. 
(3) Liao Guofan,Xian Yuanqin, et. al: ’Grass Resource of Hubei 
Province' Wuhan, 1985, Livestock Bureau of Hubei 
Province 
(4) Robert A Schowengerdt: ’Techniques for Image Processing and 
Classification in Remote sensing’,New York,Academic 
Press 1983. 
(5) R Michael Hord: ’Digital Image Processing of Remotely Sensed 
data’ Academic Press New York 1982. 
(6) Yang Kai, Chen Jun: ’The Use of Auxiliary Information in the 
Classification of the Remote sensed data’, Remote 
Sensing of Environment Beijing 1986. 
(7) G Konecny ’Mathematical Models and Procedure for the Geometric 
Rectification of Remote Sensing Imagery’,Proceed 
ings of 14th Congr.ISP. VOL XXI part 3 1976. 
(8) J Larson’The Use of a DTM in a Digital Multispectral Analysis’, 
Proceedings of XIV Congr .ISP.Hanburg,1980.