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Scalable 3D video of dynamic scenes
2005
The Visual Computer
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In this paper we present a scalable 3D video framework for capturing and rendering dynamic scenes. ...
This representation allows for effective photo-consistency enforcement and outlier removal, leading to a significant decrease of visual artifacts and a high resulting rendering quality using EWA volume ...
Acknowledgement We would like to thank Stefan Rondinelli for implementing the stereo algorithm and Tim Weyrich for the fruitful discussions. ...
doi:10.1007/s00371-005-0346-7
fatcat:smkpieiltbgv5dvijpbanfnhny
Digital Video Transcoding
2005
Proceedings of the IEEE
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Video transcoding, due to its high practical values for a wide range of networked video applications, has become an active research topic. ...
We also discuss techniques for reducing the complexity, and techniques for improving the video quality, by exploiting the information extracted from the input video bit stream. ...
A. Vetro and Prof. S.-F. Chang for their valuable suggestions to improve this manuscript. ...
doi:10.1109/jproc.2004.839620
fatcat:y2j2mwy5prhynmt7ukbfqzhpd4
Distributed Video Coding: Trends and Perspectives
2009
EURASIP Journal on Image and Video Processing
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More specifically, the status and potential benefits of distributed video coding in terms of coding efficiency, complexity, error resilience, and scalability are reviewed. ...
Multiview video and applications beyond coding are also considered. ...
provided by the Recursive Optimal Per-pixel Estimate (ROPE) algorithm. ...
doi:10.1155/2009/508167
fatcat:wf4ui6mwlrcqjm2tor6h4h6aj4
Faster and more accurate feature-based calibration for widely spaced camera pairs
2012
2012 Second International Conference on Digital Information and Communication Technology and it's Applications (DICTAP)
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Experimental tests show that our proposed algorithm achieves higher accuracy and faster execution for larger baselines of up to ≈2 meters, for an object distance of ≈4.6 meters, and thereby enhances the ...
usability and scalability of multi-camera capturing systems for large spaces. ...
[10] , using a error canceling algorithm based on RANSAC (Random Sample Consensus -a widely used algorithm for outlier removal). ...
doi:10.1109/dictap.2012.6215336
dblp:conf/dictap/DwarakanathEGH12
fatcat:dmhvajebtrh7xdeiy2q5y5kt5q
Volumetric Modeling with Multiple Cameras for Markerless Motion Capture in Complex Scenes
2008
2008 IEEE Instrumentation and Measurement Technology Conference
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This multi-camera system is then accurately calibrated using a flexible method which allows free camera positioning. ...
A novel region-based silhouette extraction procedure is proposed to remove the requirement of static and highly contrasting backgrounds. ...
Furthermore, cameras possess internal color calibration functionalities and several preprocessing functionalities to enhance the quality of the acquired video. ...
doi:10.1109/imtc.2008.4547061
fatcat:efdcm3nn4jekhect4kd2sjigxi
Distributed video coding for wireless video sensor networks: a review of the state-of-the-art architectures
2015
SpringerPlus
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Recent research developments have made DVC attractive for applications in the emerging domain of wireless video sensor networks (WVSNs). ...
Such a networked sensing infrastructure can enable a wide spectrum of applications ranging from military systems with advanced scouting and surveillance capabilities to civilian systems for environment ...
All authors have given final approval of the version to be published and acknowledge their accountability for all aspects of the work. All authors read and approved the final manuscript. ...
doi:10.1186/s40064-015-1300-4
pmid:26405633
pmcid:PMC4573743
fatcat:iiryl4er2fc5bnzizypmpfbp3m
3DTV rendering from multiple cameras
2009
2009 3DTV Conference: The True Vision - Capture, Transmission and Display of 3D Video
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A virtual reality modeling language (VRML) geometry model of a human body is used [ Figure 3 The challenge in applying model-based analysis for free-viewpoint video reconstruction is to find the way ...
For both sequences the weighted
approach has the best performance. The outlier removal method does not enhance the quality of the final
images in general. ...
The density gradient estimator obtained as the gradient of the density estimator: The function is defined, assuming that the derivative of the kernel profile exists for all , except for a finite set of ...
doi:10.1109/3dtv.2009.5069643
fatcat:5zlkdjpaivcqrgikdyxdmpzcqa
Fast robust reconstruction of large-scale environments
2010
2010 44th Annual Conference on Information Sciences and Systems (CISS)
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The approach leverages recent research in robust estimation, image based recognition and stereo depth estimation. ...
We demonstrate modeling results on a variety of real-world video sequences and photo collections. ...
outliers from the depth maps, it also combines depth estimates to enhance their accuracy. ...
doi:10.1109/ciss.2010.5464819
dblp:conf/ciss/FrahmPLCGRW10
fatcat:bss662kodrbrliphll6l5l42gm
No-Reference Video Quality Monitoring for H.264/AVC Coded Video
2009
IEEE transactions on multimedia
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In this context we propose NORM (NO-Reference video quality Monitoring), an algorithm to assess the quality degradation of H.264/AVC video affected by channel errors. ...
We explicitly account for distortion introduced by spatial and temporal error concealment together with the effect of temporal motion-compensation. ...
No-reference objective metrics estimate the received video quality without any information on the error-free video content. ...
doi:10.1109/tmm.2009.2021785
fatcat:rpapdvz75jdyhdvrwlksmajdly
Diagnostically Resilient Encoding, Wireless Transmission, and Quality Assessment of Medical Video
2011
Zenodo
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Video slices are automatically set based on a segmentation algorithm. ...
Quality assessment is based on a new clinical rating system that provides for independent evaluations of the different parts of the video (subjective). ...
In the urgent state, data prioritization is achieved through scalable video encoding using a base layer and enhancement layers. ...
doi:10.5281/zenodo.2592409
fatcat:bq5moo4ctjasjomrnnvw5wcqzu
Casual 6-DoF: free-viewpoint panorama using a handheld 360 camera
[article]
2022
arXiv
pre-print
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Our method consists of 360 data capturing, novel depth estimation to produce a high-quality spherical depth panorama, and high-fidelity free-viewpoint generation. ...
Six degrees-of-freedom (6-DoF) video provides telepresence by enabling users to move around in the captured scene with a wide field of regard. ...
has a limitation on its synthesis quality and range of available motion. ...
arXiv:2203.16756v1
fatcat:7zabtcsfa5a4vjp3su3g2sidfm
Successive refinement of side information for multi-view distributed video coding
2009
Multimedia tools and applications
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This paper proposes a solution to this problem based on successive multi-view registration and motion compensated extrapolation for on-the-fly re-correlation of two views at decoder. ...
This novel technique for side information generation is codec-independent, robust and flexible with regard to any free motion of the cameras. ...
Acknowledgement The first author acknowledges the Fundação para a Ciência e a Tecnologia, Portugal, for the financial support. ...
doi:10.1007/s11042-009-0315-7
fatcat:xxponk2c7rgm5e6bj5imnhv7la
Quality assessment of multidimensional video scalability
2012
IEEE Communications Magazine
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Scalability is a powerful concept for adaptive video content delivery to many end users having heterogeneous and dynamic characteristics of networks and devices. ...
In this article, we address the latest advances in subjective and objective quality evaluation of multidimensional video scalability for optimal content distribution, present their applications, and discuss ...
Scalable video compression evolved from two main branches of conventional non-scalable compression: block-based hybrid compression and wavelet-based motion-compensated compression techniques. ...
doi:10.1109/mcom.2012.6178832
fatcat:frru4kuwnzcqxkbsjedxjwngem
A robust fine granularity scalability using trellis-based predictive leak
2002
IEEE transactions on circuits and systems for video technology (Print)
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Recently, the MPEG-4 committee has approved the MPEG-4 fine granularity scalability (FGS) profile as a streaming video tool. ...
Index Terms-Error robustness, fine granularity scalability (FGS), leaky prediction, MPEG-4 video coding, video streaming. ...
Wu for providing the original MPEG test sequences for the dynamic tests. ...
doi:10.1109/tcsvt.2002.800314
fatcat:5hggfas2bvadxisyzmmntrom4u
Speed and Memory Efficient Dense RGB-D SLAM in Dynamic Scenes
2020
2020 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)
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In this paper we propose a fast RGB-D SLAM articulated around a rough and lightweight 3D representation for dense compact mapping in dynamic indoor environment, targeting mainstream computing platforms ...
Many of them are also limited to static environments and small inter-frame motions. ...
We use the DIS optical flow algorithm [14] to estimate the apparent motion for each pixel because it is able to run at up to 600Hz on a single CPU core and reaches state-of-the-art performance with large ...
doi:10.1109/iros45743.2020.9341542
fatcat:na7wddpekzd6jei4zfbyta53yy
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