Robust low resolution thermal stereo camera calibration | Zendy

Yannick Wend Kuni Zoetgnande | Zendy; Alain-Jérôme Fougères | Zendy; Geoffroy Cormier | Zendy; JeanLouis Dillenseger | Zendy

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Robust low resolution thermal stereo camera calibration

Author(s) -

Yannick Wend Kuni Zoetgnande,

Alain-Jérôme Fougères,

Geoffroy Cormier,

JeanLouis Dillenseger

Publication year - 2019

Publication title -

hal (le centre pour la communication scientifique directe)

Language(s) - English

Resource type - Conference proceedings

DOI - 10.1117/12.2523440

Subject(s) - calibration , stereo camera , computer vision , artificial intelligence , resolution (logic) , computer science , image resolution , camera resectioning , remote sensing , physics , geology , quantum mechanics

In this paper, we address the particularly challenging problem of calibrating a stereo pair of low resolution (80 × 60) thermal cameras. We propose a new calibration method for such setup, based on sub-pixel image analysis of an adequate calibration pattern and bootstrap methods. The experiments show that the method achieves robust calibration with a quarter-pixel re-projection error for an optimal set of 35 input stereo pairs of the calibration pattern, which namely outperforms the standard OpenCV stereo calibration procedure.

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