改良された"簡便な面積計測法(柳町・高畑,1996)"について

概要

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A simplified system of measuring area using image processing proposed by the present authors has been improved. The improvement is made only on RAM and OS. In regard to RAM, it is extended from 8MB to 16MB. The OS of the improved system is MS-WIMDOWS 95, though the previous system is operated by MS-WINDOWS 3.1. As a result of the improvement, firstly,the data processing gains in speed rapidly, and the incidence of "Hang up" decreases drastically. Secondly, there has been remarkable progress in the accuracy of areal measurement;all of the differences between measured values have been sharply lowered than the Japanese standards, i.e., the "allowable differences" proposed by Geographical Survey Institute, Ministry of Construction(1995). Thirdly, no noticeable tendency in measured values is made. In addition to them, furthermore, the minimum area for measurement reaches 0.03 cnf , while the value on the previous system is 0.09 cnf. Accordingly, it can be concluded that this improved system for areal measurement is much more appropriate than the previous one for practical usage.
信州短期大学の論文
2000-12-25