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Video stabilization to a global 3D frame of reference by fusing orientation sensor and image alignment data

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4 Author(s)
Nestares, O. ; Intel Labs., Santa Clara, CA, USA ; Gat, Y. ; Haussecker, H. ; Kozintsev, I.

Estimating the 3D orientation of the camera in a video sequence within a global frame of reference is useful for video stabilization when displaying the video in a virtual 3D environment, as well as for accurate navigation and other applications. This task requires the input of orientation sensors attached to the camera to provide absolute 3D orientation in a geographical frame of reference. However, high-frequency noise in the sensor readings makes it impossible to achieve accurate orientation estimates required for visually stable presentation of video sequences that were acquired with a camera subject to jitter, such as a handheld camera or a vehicle mounted camera. On the other hand, image alignment has proven successful for image stabilization, providing accurate frame-to-frame orientation estimates but drifting over time due to error and bias accumulation and lacking absolute orientation. In this paper we propose a practical method for generating high accuracy estimates of the 3D orientation of the camera within a global frame of reference by fusing orientation estimates from an efficient image-based alignment method, and the estimates from an orientation sensor, overcoming the limitations of the component methods.

Published in:

Mixed and Augmented Reality (ISMAR), 2010 9th IEEE International Symposium on

Date of Conference:

13-16 Oct. 2010