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Low-light imaging solutions for mobile devices

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2 Author(s)
Tico, M. ; Nokia Res. Center, Palo Alto, CA, USA ; Pulli, K.

Due to small sensors and low-cost optics, miniature cameras embedded in mobile devices have a reduced capacity to capture light. Setting longer exposure times helps only with relatively static scenes and if the camera does not move during the image integration, otherwise any motion may result in a motion-blurred degraded image. In this paper we present two methods to prevent motion blur degradation in mobile devices. These solutions are based on fusing the visual information captured in multiple images of the scene. One solution relies on fusing short exposed images of the scene, whereas the second solution makes use of differently exposed images. The proposed methods are demonstrated through simulations and visual examples on real images.

Published in:

Signals, Systems and Computers, 2009 Conference Record of the Forty-Third Asilomar Conference on

Date of Conference:

1-4 Nov. 2009