ISBN: 9783639142983

[ED: Softcover], [PU: VDM Verlag], The problem of extracting an object from an image,known as "image matting," has been deeplyinvestigated in the last two decades. Its extensionto address… Mehr…

[ED: Softcover], [PU: VDM Verlag], The problem of extracting an object from an image,known as "image matting," has been deeplyinvestigated in the last two decades. Its extensionto address video, i.e., "video matting," has gainedless attention. This paper studies the difficultiesthat should be addressed when extending image mattingmethods to work on video. In particular we addressthe following problems: (i) While the required userintervention is reduced over the years, it stillremains unpractical to manually provide user marks onevery frame (ii) the temporal continuity of a videosequence suggests that it may be beneficial to solvethe matting equations for the entire videosimultaneously. This, however, is impractical due tomemory constraints (iii) because of the huge size ofinput data, interactive results update is nottrivially plausible. To cope with these difficulties,we exploit video continuity. Temporal continuity isused to propagate user provided hints, while spatialcontinuity is used to reduce the number of unknownsand the number of constraints. Finally, we apply anincremental matrix factorization to allow real-timeinsertion of new user-provided constraints. Versandfertig in 3-5 Tagen, [SC: 0.00], Neuware, gewerbliches Angebot<

ISBN: 9783639142983

Paperback, [PU: VDM Verlag], The problem of extracting an object from an image, known as "image matting," has been deeply investigated in the last two decades. Its extension to address vi… Mehr…

Paperback, [PU: VDM Verlag], The problem of extracting an object from an image, known as "image matting," has been deeply investigated in the last two decades. Its extension to address video, i.e., "video matting," has gained less attention. This paper studies the difficulties that should be addressed when extending image matting methods to work on video. In particular we address the following problems: (i) While the required user intervention is reduced over the years, it still remains unpractical to manually provide user marks on every frame; (ii) the temporal continuity of a video sequence suggests that it may be beneficial to solve the matting equations for the entire video simultaneously. This, however, is impractical due to memory constraints; (iii) because of the huge size of input data, interactive results update is not trivially plausible. To cope with these difficulties, we exploit video continuity. Temporal continuity is used to propagate user provided hints, while spatial continuity is used to reduce the number of unknowns and the number of constraints. Finally, we apply an incremental matrix factorization to allow real-time insertion of new user-provided constraints., Computing: General<

2009, ISBN: 3639142985

[EAN: 9783639142983], Neubuch, [PU: VDM Verlag], Computers & the Internet|General, This item is printed on demand for shipment within 3 working days.

ISBN: 9783639142983

A Solution For Natural Video Matting A-Solution-For-Natural-Video-Matting~~Alon-Gamliel Graphics & Design>Graphics & Design Paperback, VDM Verlag

2009, ISBN: 3639142985

Kartoniert / Broschiert, mit Schutzumschlag neu, [PU:VDM Verlag]