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Light field morphing using 2D features.

Lifeng Wang1, Stephen Lin, Seungyong Lee

  • 1Microsoft Research Asia, 3F Beijing Sigma Center, Haidian District, Beijing 100080, PRC. lfwang@microsoft.com

IEEE Transactions on Visualization and Computer Graphics
|January 6, 2005
PubMed
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This study introduces a novel 2D feature-based technique for morphing 3D objects in light fields. This method simplifies feature specification, reducing artifacts and enabling easier morphing between images and light fields.

Area of Science:

  • Computer Graphics
  • Image Processing
  • Computational Imaging

Background:

  • Light field morphing traditionally requires precise 3D feature specification.
  • Imprecise 3D feature marking can lead to significant morphing artifacts.
  • Existing methods lack robustness to minor user input errors.

Purpose of the Study:

  • To develop a 2D feature-based technique for light field morphing.
  • To reduce sensitivity to imprecise feature marking in morphing computations.
  • To simplify the process of morphing 3D objects represented by light fields.

Main Methods:

  • User specifies 2D features in key views of source and target light fields.
  • Light fields are warped view-by-view guided by corresponding 2D features.

Related Experiment Videos

  • Warped light fields are blended for the final morph, incorporating visibility changes.

    • Main Results:

    • A 2D feature-based scheme less sensitive to imprecise feature marking is presented.
    • The technique allows for automatic interpolation of 2D features to other views.
    • Demonstrates successful morphing between an image and a light field, and incorporates non-uniform blending.

    Conclusions:

    • The proposed 2D feature-based approach simplifies light field morphing.
    • This method enhances robustness against user specification errors.
    • Enables integration with existing image morphing techniques and broader morphing applications.