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LWA
2007
15 years 18 days ago
The Effectiveness of Concept Based Search for Video Retrieval
In this paper we investigate how a small number of high-level concepts derived for video shots, such as Sports, Face, Indoor, etc., can be used effectively for ad hoc search in vi...
Claudia Hauff, Robin Aly, Djoerd Hiemstra
CIVR
2008
Springer
166views Image Analysis» more  CIVR 2008»
15 years 29 days ago
A probabilistic ranking framework using unobservable binary events for video search
Recent content-based video retrieval systems combine output of concept detectors (also known as high-level features) with text obtained through automatic speech recognition. This ...
Robin Aly, Djoerd Hiemstra, Arjen P. de Vries, Fra...
HM
2009
Springer
165views Optimization» more  HM 2009»
15 years 3 months ago
Solving a Video-Server Load Re-Balancing Problem by Mixed Integer Programming and Hybrid Variable Neighborhood Search
Abstract. A Video-on-Demand system usually consists of a large number of independent video servers. In order to utilize network resources as efficiently as possible the overall net...
Jakob Walla, Mario Ruthmair, Günther R. Raidl
ICASSP
2007
IEEE
15 years 5 months ago
A New Rotation Search for Dependent Rate-Distortion Optimization in Video Coding
We present a novel search algorithm which is suitable for optimizing functions with a high-dimensional discrete-valued parameter vector. The algorithm is designed to find a funct...
Tuukka Toivonen, Loren Merritt, Ville Ojansivu, Ja...
MM
2006
ACM
108views Multimedia» more  MM 2006»
15 years 5 months ago
Video search reranking via information bottleneck principle
We propose a novel and generic video/image reranking algorithm, IB reranking, which reorders results from text-only searches by discovering the salient visual patterns of relevant...
Winston H. Hsu, Lyndon S. Kennedy, Shih-Fu Chang