写真測量
Online ISSN : 1884-3980
Print ISSN : 0549-4451
ISSN-L : 0549-4451
Block to Block Triangulation
遠藤 義幸小川 信彦田中 總太郎
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1974 年 13 巻 4 号 p. 1-7

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There are many difficult requirements imposed on block triangulation when it is applied on a practical basis. The main problem with aerial analytical triangulation is the error occurence and the necessity of reconstructing the block model. Because a certain number of operational errors always occur, the system of block triangulation is evaluated by the way it corrects such errors with certainly while at the same time reducing total working time.
The authors of this paper have solved the problem by introducing the concept of block to block triangulation. With this concept, operational errors are kept in local and the volume of errors needing correction is minimized in total.
Requirements for computerr use on practical basis are as follows: -
1. The error check method
2. The saving of computer costs (using only core memory-300 kc)
To satisfy these requirements we have developed two concepts:
1. The concept of block to block triangulation
2. The reduction method on divided linear equation
The system which the authors of this paper have developed has a cost/performance ratio level that is nearly comparable to the usual strip type solution method.

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© Japan Society of Photogrammetry and Remote Sensing
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