- Forfatter
- Larsen, Martin Vonheim
- Haavardsholm, Trym Vegard
- Mathiassen, Kim
- Publisert
- 2020-09-20
- Emneord
- Kamera
- Kalibrering
- Sensorer
- Bildebehandling
- Permalenke
- http://hdl.handle.net/20.500.12242/2797
- DOI
- 10.1117/12.2573611
- Samling
- Articles
- Description
- Larsen, Martin Vonheim; Haavardsholm, Trym Vegard; Mathiassen, Kim. In-operation calibration of clock-bias and intrinsic parameters for pan-tilt-zoom cameras based on keypoint tracking. Proceedings of SPIE, the International Society for Optical Engineering 2020 ;Volum 11538:115380D. s. 1-17
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- 1844825.pdf
- Size: 1M
- Sammendrag
- We propose a method for jointly estimating intrinsic calibration and internal clock synchronisation for a pantilt- zoom (PTZ) camera using only data that can be acquired in the field during normal operation. Results show that this method is a promising starting point towards using software to replace costly timing hardware in such cameras. Through experiments we provide calibration and clock synchronisation for an off-the-shelf low-cost PTZ camera, and observe a greatly improved directional accuracy, even during mild manoeuvres.