Measurement of 3D displacement based on successively captured images of an object becomes difficult to be performed due to a load imposed on an operator along with an increase of the number of target portions defined on the object and that of time steps fo...

When a photography unit 10 photographs a target to be photographed, a control unit 16 acquires distance data between a photography position and a target to be photographed of the photography unit 10, an azimuth angle and an elevation/depression angle of a ...

An object of the present invention is to provide a movable information collection apparatus capable of grasping the current situation in a timely fashion. Also, an object of the present invention is to provide a geographical monitoring system capable of ut...

In a road measurement device according to an embodiment, a calibration unit 48 generates formation parameters used for formation of a scale image, from a result of photographing a pattern for calibration by a photographing means 10. An image obtaining unit...

Provided is a building roof outline recognition device which facilitates automation. A small-building candidate region is extracted based on normalized DSM data using a region segmentation method (S18). By using the building candidate region as a marker an...