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360-degree Video Stitching for Dual-fisheye Lens Cameras Based On Rigid Moving Least Squares
- Citation Author(s):
- Submitted by:
- Tuan Ho
- Last updated:
- 16 September 2017 - 5:42pm
- Document Type:
- Presentation Slides
- Document Year:
- 2017
- Event:
- Presenters:
- Tuan Ho
- Paper Code:
- 2811
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Dual-fisheye lens cameras are becoming popular for 360-degree video capture, especially for User-generated content (UGC), since they are affordable and portable. Images generated by the dual-fisheye cameras have limited overlap and hence require non-conventional stitching techniques to produce high-quality 360x180-degree panoramas. This paper introduces a novel method to align these images using interpolation grids based on rigid moving least squares. Furthermore, jitter is the critical issue arising when one applies the image-based stitching algorithms to video. It stems from the unconstrained movement of stitching boundary from one
frame to another. Therefore, we also propose a new algorithm to maintain the temporal coherence of stitching boundary to provide jitter-free 360-degree videos. Results show that the
method proposed in this paper can produce higher quality stitched images and videos than prior work.