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Rectification of Illumination in Images Used for Shape from Focus

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Advances in Visual Computing (ISVC 2006)

Part of the book series: Lecture Notes in Computer Science ((LNIP,volume 4292))

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Abstract

Shadows occurring in images often lead to undesirable results in computer vision. An inherent weakness of 3D reconstruction from image focus is that, they require the imaged scene to have significant textures. In many real-world applications, surfaces can be smooth and lacking in detectable texture. In such cases, Shape-form-Focus (SFF) generates inaccurate and sparse depth maps. For accurate calculation of depth map, we consider the effects of illumination. In SFF the images are taken with one light source and the shadows occur in each frame. The more bright regions of the images give more accurate depth map, whereas, the less bright regions give less accurate depth map. In this paper we propose an algorithm that removes the shadows from the image sequence which are used for SFF methods. We show the results and compare them with the previous results. From simulation results, the depth maps of objects are improved when the shadows are removed.

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Author information

Authors and Affiliations

  1. Gwangju Institute of Science and Technology, 1-Oryong Dong, Buk Gu, Gwangju, 500-712, Korea

    S. M. Mannan, Aamir Saeed Malik, Humaira Nisar & Tae-Sun Choi

Authors
  1. S. M. Mannan
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  2. Aamir Saeed Malik
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  3. Humaira Nisar
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  4. Tae-Sun Choi
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Editor information

Editors and Affiliations

  1. Department of Computer Science and Engineering, University of Nevada, Reno, USA

    George Bebis

  2. NASA Ames Research Center, Moffett Field, CA, USA

    Richard Boyle

  3. Lawrence Berkeley National Laboratory, Berkeley, CA, USA

    Bahram Parvin

  4. Desert Research Institute, Reno, NV, USA

    Darko Koracin

  5. Digital Image Research Center, Kingston University, London, UK

    Paolo Remagnino

  6. Intel, 95052, Santa Clara, CA, USA

    Ara Nefian

  7. University of California, 430, Computer Science Building, 92697-3425, Irvine, CA, USA

    Gopi Meenakshisundaram

  8. Institute for Data Analysis and Visualization, P.O. Box

    Valerio Pascucci

  9. Department of Computer Science and Engineering, Czech Technical University in Prague, Czech

    Jiri Zara

  10. Rockwell Scientific, 1049 Camino Dos Rios, 91360, Thousand Oaks, CA, USA

    Jose Molineros

  11. Computer Graphics Group, Bielefeld University, D-33501, Bielefeld, Germany

    Holger Theisel

  12. Hewlett Packard Labs, Palo Alto, CA, USA

    Tom Malzbender

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© 2006 Springer-Verlag Berlin Heidelberg

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Mannan, S.M., Malik, A.S., Nisar, H., Choi, TS. (2006). Rectification of Illumination in Images Used for Shape from Focus. In: Bebis, G., et al. Advances in Visual Computing. ISVC 2006. Lecture Notes in Computer Science, vol 4292. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11919629_18

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  • DOI: https://doi.org/10.1007/11919629_18

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-48626-8

  • Online ISBN: 978-3-540-48627-5

  • eBook Packages: Computer ScienceComputer Science (R0)

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