Automatic confidence adjustment of visual cues in model-based camera tracking
- Authors
- Park, Hanhoon; Oh, Jihyun; Seo, Byung-Kuk; Park, Jong-Il
- Issue Date
- Mar-2010
- Publisher
- WILEY
- Keywords
- automatic confidence adjustment; object-adaptive camera tracking; hybrid vision-based camera tracking; model-based camera tracking; augmented reality
- Citation
- COMPUTER ANIMATION AND VIRTUAL WORLDS, v.21, no.2, pp.69 - 79
- Indexed
- SCIE
SCOPUS
- Journal Title
- COMPUTER ANIMATION AND VIRTUAL WORLDS
- Volume
- 21
- Number
- 2
- Start Page
- 69
- End Page
- 79
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/175359
- DOI
- 10.1002/cav.321
- ISSN
- 1546-4261
- Abstract
- Model-based camera tracking is a technology that estimates a precise camera pose based on visual cues (e.g., feature points, edges) extracted from camera images given a 3D scene model and a rough camera pose. This paper proposes an automatic method for flexibly adjusting the confidence of visual cues in model-based camera tracking. The adjustment is based on the conditions of the target object/scene and the reliability of the initial or previous camera pose. Under uncontrolled or less-controlled working environments, the proposed object-adaptive tracking method works flexibly at 20 frames per second on an ultra mobile personal computer (UMPC) with an average tracking error within 3 pixels when the camera image resolution is 320 by 240 pixels. This capability enabled the proposed method to be successfully applied to a mobile augmented reality (AR) guidance system for a museum.
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