arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2004.07745eess.IVcs.CV

Blur Aware Calibration of Multi-Focus Plenoptic Camera

Université Clermont Auvergne(克莱蒙奥弗涅大学);CNRS(法国国家科学研究中心);SIGMA Clermont(SIGMA克莱蒙工程师学院);Cerema(法国国家公共工程与建筑科学技术研究中心)

Mathieu Labussière, Céline Teulière, Frédéric Bernardin, Omar Ait-Aider

英文摘要:

This paper presents a novel calibration algorithm for Multi-Focus Plenoptic Cameras (MFPCs) using raw images only. The design of such cameras is usually complex and relies on precise placement of optic elements. Several calibration procedures have been proposed to retrieve the camera parameters but relying on simplified models, reconstructed images to extract features, or multiple calibrations when several types of micro-lens are used. Considering blur information, we propose a new Blur Aware Plenoptic (BAP) feature. It is first exploited in a pre-calibration step that retrieves initial camera parameters, and secondly to express a new cost function for our single optimization process. The effectiveness of our calibration method is validated by quantitative and qualitative experiments.

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