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Reflection reprojection using temporal coherence

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Abstract

A powerful approach for rendering high-quality images at low cost is to exploit temporal coherence by projecting already computed images into a novel view. However, conventional temporal coherence projection methods assume pixel values remain almost unchanged from frame to frame, which does not extend well to reflection rendering. We present a novel projection method to reuse reflections from adjacent frames. A novel reflection reprojection method is introduced to establish the mapping of reflections between individual frames. By reusing the information from the reference frame, our method can reduce the overall workloads of reflection computation, which makes rendering efficiently.

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Acknowledgements

This work was supported in part by the National Natural Science Foundation of China through Projects 61272349, 61190121 and 61190125, by the National High Technology Research and Development Program of China through 863 Program No. 2013AA01A604. Naiwen Xie gratefully acknowledges financial support from China Scholarship Council (CSC) through No. 201506020037.

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Correspondence to Naiwen Xie.

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Xie, N., Wang, L. & Dutré, P. Reflection reprojection using temporal coherence. Vis Comput 34, 517–529 (2018). https://doi.org/10.1007/s00371-017-1358-9

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