| | | | | On-line Free-viewpoint Video:From Single to Multiple View Rendering | | | Vincent Nozick;Hideo Saito | | | In recent years,many image-based rendering techniques have advanced from static to dynamic scenes and thus become video-based rendering(VBR) methods.But actually,only few of them can render new views on-line.We present a new VBR system that creates new views of a dynamic scene in live.This system provides high quality images and does not require any background subtraction.Our method follows a plane-sweep approach and reaches real-time rendering using consumer graphic hardware,graphics processing unit(GPU).Only one computer is used for both acquisition and rendering.The video stream acquisition is performed by at least 3 webcams.We propose an additional video stream management that extends the number of webcams to 10 or more.These considerations make our system low-cost and hence accessible for everyone.We also present an adaptation of our plane-sweep method to create simultaneously multiple views of the scene in real-time.Our system is especially designed for stereovision using autostereoscopic displays.The new views are computed from 4 webcams connected to a computer and are compressed in order to be transfered to the mobile phone.Due to GPU programming,our method provides up to 16 images of the scene in real-time.The use of both GPU and CPU makes this method work on only one consumer grade computer.
【作者单位】：Graduate School of Science and Technology Keio University;Graduate School of Science and Technology;Keio University;Kohoku-ku 223-8522;Japan;Kohoku-ku 223-8522;Japan
【基金】：This work was supported by Foundation of Technology Supporting the Creation of Digital Media Contents project (CREST, JST), Japan
【分类号】：TP391.4
【DOI】：CNKI:SUN:JDYS.0.2008-03-006
【正文快照】：
1 IntroductionGiven several video streams of the same scene, video- based rendering (VBR) methods provide new views of that scene from new view points. VBR is then an extension of image-based rendering that can handle dynamic scenes. In recent years, most… | | |
| | |  推荐 CAJ下载  PDF下载 | | | CAJViewer7.0阅读器支持所有CNKI文件格式，AdobeReader仅支持PDF格式 | | | | On-line Free-viewpoint Video:From Single to Multiple View Rendering | | | Vincent Nozick Hideo Saito Graduate School of Science and Technology;Keio University;Kohoku-ku 223-8522;Japan | | | In recent years,many image-based rendering techniques have advanced from static to dynamic scenes and thus become video-based rendering(VBR) methods.But actually,only few of them can render new views on-line.We present a new VBR system that creates new views of a dynamic scene in live.This system provides high quality images and does not require any background subtraction.Our method follows a plane-sweep approach and reaches real-time rendering using consumer graphic hardware,graphics processing unit(GPU).Only one computer is used for both acquisition and rendering.The video stream acquisition is performed by at least 3 webcams.We propose an additional video stream management that extends the number of webcams to 10 or more.These considerations make our system low-cost and hence accessible for everyone.We also present an adaptation of our plane-sweep method to create simultaneously multiple views of the scene in real-time.Our system is especially designed for stereovision using autostereoscopic displays.The new views are computed from 4 webcams connected to a computer and are compressed in order to be transfered to the mobile phone.Due to GPU programming,our method provides up to 16 images of the scene in real-time.The use of both GPU and CPU makes this method work on only one consumer grade computer.
【Keyword】：Video-based rendering(VBR),free-viewpoint video,view interpolation,graphics processing unit(GPU),webcam,stere-ovision,autostereoscopic |
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