Image-processing computer system for photogrammetric analytical measurement

In an image processing computer system for a photogrammetric analytical measurement, a picture has an image of a target with three main reference point areas and an assistant reference point area. Positions of the reference point areas are determined by a two-dimensional picture coordinate system de...

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Bibliographische Detailangaben
1. Verfasser:	WAKASHIRO SHIGERU
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY GYROSCOPIC INSTRUMENTS HANDLING RECORD CARRIERS IMAGE DATA PROCESSING OR GENERATION, IN GENERAL MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS SURVEYING TESTING
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Beschreibung
Zusammenfassung:	In an image processing computer system for a photogrammetric analytical measurement, a picture has an image of a target with three main reference point areas and an assistant reference point area. Positions of the reference point areas are determined by a two-dimensional picture coordinate system defined on the target. Positions of the main reference point areas are calculated with a three-dimensional camera coordinate system defined on a camera. Positions of the main reference point areas are calculated by a two-dimensional image-plane coordinate system, defined on an image-plane of the camera, based on the calculated three-dimensional positions of the main reference point areas. Camera parameters are calculated based on the two-dimensional positions of the main reference point areas of the picture coordinate system and the positions of the main reference point areas of the image-plane coordinate system.