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Communication Dans Un Congrès Année : 2020

Angularly Consistent Light Field Video Interpolation

Résumé

In this paper, we address the problem of temporal interpolation of sparsely sampled video light fields using dense scene flows. Given light fields at two time instants, the goal is to interpolate an intermediate light field to form a spatially, angularly and temporally coherent light field video sequence. We first compute angularly coherent bidirectional scene flows between the two input light fields. We then use the optical flows and the two light fields as inputs to a convolutional neural network that synthesizes independently the views of the light field at an intermediate time. In order to measure the angular consistency of a light field, we propose a new metric based on epipolar geometry. Experimental results show that the proposed method produces light fields that are angularly coherent while keeping similar temporal and spatial consistency as state-of-the-art video frame interpolation methods.
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Dates et versions

hal-02924662 , version 1 (28-08-2020)

Identifiants

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Pierre David, Mikael Le Pendu, Christine Guillemot. Angularly Consistent Light Field Video Interpolation. ICME 2020 - IEEE International Conference on Multimedia and Expo, Jul 2020, Vitual, United Kingdom. pp.1-6, ⟨10.1109/ICME46284.2020.9102968⟩. ⟨hal-02924662⟩
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