Completely optical orientation determination for an unstabilized aerial three-line camera

Jürgen Wohlfeil

doi:10.1117/12.865050

13 October 2010 Completely optical orientation determination for an unstabilized aerial three-line camera

Jürgen Wohlfeil

Proceedings Volume 7826, Sensors, Systems, and Next-Generation Satellites XIV; 78261F (2010) https://doi.org/10.1117/12.865050
Event: SPIE Remote Sensing, 2010, Toulouse, France

Abstract

Aerial line cameras allow the fast acquisition of high-resolution images at low costs. Unfortunately the measurement of the camera's orientation with the necessary rate and precision is related with large effort, unless extensive camera stabilization is used. But also stabilization implicates high costs, weight, and power consumption. This contribution shows that it is possible to completely derive the absolute exterior orientation of an unstabilized line camera from its images and global position measurements. The presented approach is based on previous work on the determination of the relative orientation of subsequent lines using optical information from the remote sensing system. The relative orientation is used to pre-correct the line images, in which homologous points can reliably be determined using the SURF operator. Together with the position measurements these points are used to determine the absolute orientation from the relative orientations via bundle adjustment of a block of overlapping line images. The approach was tested at a flight with the DLR's RGB three-line camera MFC. To evaluate the precision of the resulting orientation the measurements of a high-end navigation system and ground control points are used.

Citation Download Citation

Jürgen Wohlfeil "Completely optical orientation determination for an unstabilized aerial three-line camera", Proc. SPIE 7826, Sensors, Systems, and Next-Generation Satellites XIV, 78261F (13 October 2010); https://doi.org/10.1117/12.865050

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available