抄録
The system is being developed to obtain orbit of water rocket by processing the images taken by two digital video cameras. Two Point Observation method were used to analyze position of water rocket from digital video tapes. Two methods of analyzing orbit data have been studied. One method employs setting of the relation between optical axes and the reference coordinates based on external measurement. and another employs internal setting method of the relation in picture. Both methods analyzes orbit in two dimensional plane. Since the former method has inherent error. The latter method which can eliminate errors in measurement is underdevelopment.
