상세정보
학술지
A Unified Panoramic Stitching and Multi-Projector Rendering Scheme for Immersive Panoramic Displays
- 발행일
- 201512
- 출처
- Displays, v.40, pp.78-87
- ISSN
- 0141-9382
- 출판사
- Elsevier
- 협약과제
- 14ZR1100, 휴먼융합형 파노라마 기술 개발, 차지훈
- 초록
- Panoramic videos provide a high resolution wide-angle field of view to audience. The rendering of such panoramic videos on large multi-projector curved displays further enhances the experience by providing them an immersive visual environment. Immersive panoramic projection thus comprise of three steps: acquisition of videos, stitching of video frames and their projection using multi-projector display system. Both panoramic stitching and multi-projector rendering require compute intensive geometric and photometric transformations that have to be applied for each frame of a video during stitching as well as rendering process. In this paper, we propose a unified scheme that handles these two separate geometric transformations using a single, combined Look up Table (LUT). The scheme allows projection of planar and cylindrical panoramas on curved cylindrical displays. Experimental results show that the proposed scheme provides a speedup of up to 73% and 83% for projector resolutions of HD and 4K respectively, for a two-camera two-projector panoramic display system. Furthermore, for a 4K projector, the proposed scheme requires 2.278 ms for the geometric transformation of its content, thus enabling real time panoramic video projection.
- KSP 제안 키워드
- Angle field of view, Cylindrical displays, Display System, Field of view(FOV), Geometric transformation, High-resolution, Multi-projector display, Panoramic display, Panoramic stitching, Panoramic video, Real-Time