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ABSTRACT

Photo tourism [5] is a platform that allows users to transform unstructured online digital photos into a 3D experience. Nowadays, image sensors are being extensively used to allow images to be taken automatically and remotely, which facilitates the opportunity for live update of photo mosaics. In this paper, we present a novel framework for live photo mosaic with a group of wireless image sensor nodes, where the image data aggregation is accomplished in an efficient and distributed way. Essentially, we propose to conduct clustering and data compression at wireless sensor network level while conserving the completeness of the feature point information [3] for reconstruction. Toward the realization of the whole system, we have built image sensor prototypes with commodity cameras. We have also conducted preliminary experiments with our wireless image sensor prototypes.

REFERENCES

• 1: Deborah Estrin , Ramesh Govindan , John Heidemann , Satish Kumar, Next century challenges: scalable coordination in sensor networks, Proceedings of the 5th annual ACM/IEEE international conference on Mobile computing and networking, p.263-270, August 15-19, 1999, Seattle, Washington, United States [doi>10.1145/313451.313556]
• 2: Wendi Rabiner Heinzelman , Anantha Chandrakasan , Hari Balakrishnan, Energy-Efficient Communication Protocol for Wireless Microsensor Networks, Proceedings of the 33rd Hawaii International Conference on System Sciences-Volume 8, p.8020, January 04-07, 2000
• 3: David G. Lowe, Distinctive Image Features from Scale-Invariant Keypoints, International Journal of Computer Vision, v.60 n.2, p.91-110, November 2004 [doi>10.1023/B:VISI.0000029664.99615.94]
• 4: Victor Shnayder , Mark Hempstead , Bor-rong Chen , Geoff Werner Allen , Matt Welsh, Simulating the power consumption of large-scale sensor network applications, Proceedings of the 2nd international conference on Embedded networked sensor systems, November 03-05, 2004, Baltimore, MD, USA [doi>10.1145/1031495.1031518]
• 5: Noah Snavely , Steven M. Seitz , Richard Szeliski, Photo tourism: exploring photo collections in 3D, ACM SIGGRAPH 2006 Papers, July 30-August 03, 2006, Boston, Massachusetts

INDEX TERMS

Primary Classification:
  I. Computing Methodologies
  I.4 IMAGE PROCESSING AND COMPUTER VISION
      I.4.8 Scene Analysis
          Subjects: Sensor fusion

Additional Classification:
  H. Information Systems
  H.3 INFORMATION STORAGE AND RETRIEVAL
      H.3.4 Systems and Software
          Subjects: Distributed systems

General Terms:
Algorithms, Experimentation

Keywords:
distributed clustering, image sensors, photo mosaic