Using the fictive points to transform entities in the process of map updating

Aerophototopography (Aerial Surveying And Photogrammetry)
UDC: 
528.7
DOI: 
10.22389/0016-7126-2017-924-6-17-24
1 Korshunov R.A.
Year: 
2017
№: 
6
924
Pages: 
17-24

The Russian Federation Defense Ministry Central Research Institute 27

1, 
Abstract:
The method of transformation of a vectorized situation from remote-sensed data to digital map, using fictive points, by means of rational polynoms of different degrees is reported. Those points are not really existing corresponding points of entities and their images in the picture. Actually they are the intersections of appropriate corresponding lines both on the map and on the picture (photo). These lines have been drawn through the identical edges of contours and also new vectors, formed by fictive points. Those ones were used to calculate transform parameters of rational polynoms. We may take the degrees of polynoms (the numerator and denominator) separately from the first to the third degree. The degree of rational polynoms be applied depends on situation in the map and on the geometry of material in use. If any coefficient in particular polynoms of 1t, 2nd or 3d degree, making near zero contribution, useful to eliminate it. This enlarges degree of freedom in resolution. These parameters are used for transfer entity of actualization direct from picture on the digital map. Method was tested on the special maid application ad models and on real images and maps.
References: 
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Citation:
Korshunov R.A., 
(2017) Using the fictive points to transform entities in the process of map updating. Geodesy and cartography = Geodezia i Kartografia, 78(6), pp. 17-24. (In Russian). DOI: 10.22389/0016-7126-2017-924-6-17-24
Publication History
Received: 25.08.2016
Accepted: 21.12.2017
Published: 19.07.2017

Content

2017 June DOI:
10.22389/0016-7126-2017-924-6