IEEE Trans Image Process - Multi-view video representation based on fast Monte Carlo surface reconstruction.

Tópicos

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{ motion(1329) object(1292) video(1091) }
{ method(2212) result(1239) propos(1039) }
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Resumo

This paper provides an alternative solution to the costly representation of multi-view video data, which can be used for both rendering and scene analyses. Initially, a new efficient Monte Carlo discrete surface reconstruction method for foreground objects with static background is presented, which outperforms volumetric techniques and is suitable for GPU environments. Some extensions are also presented, which allow a speeding up of the reconstruction by exploiting multi-resolution and temporal correlations. Then, a fast meshing algorithm is applied, which allows interpolating a continuous surface from the discrete reconstructed points. As shown by the experimental results, the original video frames can be approximated with high accuracy by projecting the reconstructed foreground objects onto the original viewpoints. Furthermore, the reconstructed scene can be easily projected onto any desired virtual viewpoint, thus simplifying the design of free-viewpoint video applications. In our experimental results, we show that our techniques for reconstruction and meshing compare favorably with the state-of-the-art, and we also introduce a rule-of-thumb for effective application of the method with a good quality versus representation cost trade-off.

Resumo Limpo

paper provid altern solut cost represent multiview video data can use render scene analys initi new effici mont carlo discret surfac reconstruct method foreground object static background present outperform volumetr techniqu suitabl gpu environ extens also present allow speed reconstruct exploit multiresolut tempor correl fast mesh algorithm appli allow interpol continu surfac discret reconstruct point shown experiment result origin video frame can approxim high accuraci project reconstruct foreground object onto origin viewpoint furthermor reconstruct scene can easili project onto desir virtual viewpoint thus simplifi design freeviewpoint video applic experiment result show techniqu reconstruct mesh compar favor stateoftheart also introduc ruleofthumb effect applic method good qualiti versus represent cost tradeoff

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