3D Video and Free Viewpoint Video - Technologies, Applications and MPEG Standards

Smolic, Aljoscha; Mueller, K.; Merkle, Philipp; Fehn, C.; Kauff, Peter; Eisert, Peter; Wiegand, Thomas

doi:10.1109/icme.2006.262683

Cited by 240 publications

(99 citation statements)

References 8 publications

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“…With these systems, the user can experience more free interactive navigation in the scene [33,70,68]. These systems typically employ image-based rendering (IBR) which is a technique to generate the novel view from multiple views of the scene recorded using multiple cameras [65,41].…”

Section: Multi-view Images/videosmentioning

confidence: 99%

Video Streaming with Interactive Pan/Tilt/Zoom

Mavlankar

Girod

2010

Signals and Communication Technology

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High-spatial-resolution videos offer the possibility of viewing an arbitrary region-of-interest (RoI) interactively. The user can pan/tilt/zoom while watching the video. This chapter presents spatial-random-access-enabled video compression that encodes the content such that arbitrary RoIs corresponding to different zoom factors can be extracted from the compressed bit-stream. The chapter also covers RoI trajectory prediction, which allows pre-fetching relevant content in a streaming scenario. The more accurate the prediction the lower is the percentage of missing pixels. RoI prediction techniques can perform better by adapting according to the video content in addition to simply extrapolating previous moves of the input device. Finally, the chapter presents a streaming system that employs application-layer peer-to-peer (P2P) multicast while still allowing the users to freely choose individual RoIs. The P2P overlay adapts on-the-fly for exploiting the commonalities in the peers' RoIs. This enables peers to relay data to each other in real-time, thus drastically reducing the bandwidth required from dedicated servers.

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Section: Multi-view Images/videosmentioning

confidence: 99%

Video Streaming with Interactive Pan/Tilt/Zoom

Mavlankar

Girod

2010

Signals and Communication Technology

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“…The benefit is that 3D Dual-View enables two viewers to watch simultaneously two different 3D contents, as well as the possibility for these viewers to watch the same 3D content, but with different viewpoints, according to their location with respect to the screen. This provides the advantage of free viewpoint projection [2], which is not possible with conventional 3D contents. This technique is interesting because allowing the viewers to share a vision of the same scene, but from their own perspectives.…”

Section: Iintroductionmentioning

confidence: 99%

Implementation of Ghosting Effects in 3D Dual-View Projection System

B¹,

Seshagiri²

2015

International Journal of Innovative Research in Electrical, Ele

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Abstract:In the proposed scheme various technical options to implement 3D dual-view systems, from four frames generated by two triggered or non-triggered 3D projectors. Such a technique offers 3D free-viewpoint capabilities for two viewers. We compare two different technical implementations based on transmissive video projection and reflective silver screen, combining two different 3D encoding techniques: polarization and time multiplexing. The main objective is to analyze and mitigate the ghosting effects, as a function of the technical, modal and frame pairing choices with respect, first to the image optical quality and second to prevent visual fatigue. DUAL-VIEW is an intrinsic capability of TVs or video projectors displaying 3D contents. Dual-View TVs basically play two full HD image streams that can be tuned by the viewers wearing compatible glasses. It means that two users watching the same TV can watch different channels in full HD. In other words, the stereo pair is used to separate the streams for two different viewers. Consequently, watching 3D view requires at least four independent frames projection or display. The benefit is that 3D Dual-View enables two viewers to watch simultaneously two different 3D contents, as well as the possibility for these viewers to watch the same 3D content, but with different viewpoints, according to their location with respect to the screen. This provides the advantage of free viewpoint projection, which is not possible with conventional 3D contents.

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“…By free-viewpoint images, viewers can easily change their interactive viewpoints without concerning about the real camera position. As noted by Tanimoto [6] and Smolic et al [7], these types of videos have many advantages in many fields.…”

Section: Introductionmentioning

confidence: 99%

Multiple-view Video Coding Using Depth Map in Projective Space

Yorozu

Uematsu

Saitō

2009

Advances in Visual Computing

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Abstract. In this paper a new video coding by using multiple uncalibrated cameras is proposed. We consider the redundancy between the cameras view points and efficiently compress based on a depth map. Since our target videos are taken with uncalibrated cameras, our depth map is computed not in the real world but in the Projective Space. This is a virtual space defined by projective reconstruction of two still images. This means that the position in the space is correspondence to the depth value. Therefore we do not require full-calibration of the cameras. Generating the depth map requires finding the correspondence between the cameras. We use a "plane sweep" algorithm for it. Our method needs only a depth map except for the original base image and the camera parameters, and it contributes to the effectiveness of compression.

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3D Video and Free Viewpoint Video - Technologies, Applications and MPEG Standards

Cited by 240 publications

References 8 publications

Video Streaming with Interactive Pan/Tilt/Zoom

Video Streaming with Interactive Pan/Tilt/Zoom

Implementation of Ghosting Effects in 3D Dual-View Projection System

Multiple-view Video Coding Using Depth Map in Projective Space

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