Real-time Color Correction for Marker-based Augmented Reality Applications !

Exploiting color information in an augmented reality (AR) application running on a mobile device becomes problematic due to the unknown lighting condition of the environment. In this paper, we propose a real-time color correction method for AR applications that use markers with color patterns. We identify the regions of color patterns in a marker image and estimate the black and white color points using the marker image itself. Then, the pixel colors in the pattern regions are corrected using the scaling vector. The proposed color correction method requires no assumptions on lighting conditions and is fast enough to run in real-time on a ultra mobile PC platform. We demonstrate the performance of our method with the real world data sets.

[1]  Vincent Lepetit,et al.  An all-in-one solution to geometric and photometric calibration , 2006, 2006 IEEE/ACM International Symposium on Mixed and Augmented Reality.

[2]  Woontack Woo,et al.  Exploiting Context-Awareness in Augmented Reality Applications , 2008, 2008 International Symposium on Ubiquitous Virtual Reality.

[3]  Brian V. Funt,et al.  A comparison of computational color constancy algorithms. I: Methodology and experiments with synthesized data , 2002, IEEE Trans. Image Process..

[4]  Dieter Schmalstieg,et al.  Towards Massively Multi-user Augmented Reality on Handheld Devices , 2005, Pervasive.

[5]  Hirokazu Kato,et al.  Marker tracking and HMD calibration for a video-based augmented reality conferencing system , 1999, Proceedings 2nd IEEE and ACM International Workshop on Augmented Reality (IWAR'99).

[6]  Mark Fiala,et al.  ARTag, a fiducial marker system using digital techniques , 2005, 2005 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'05).

[7]  Brian V. Funt,et al.  A comparison of computational color constancy Algorithms. II. Experiments with image data , 2002, IEEE Trans. Image Process..