3-27 Detecting Perceptual Color Changes from Sequential Images for Scene Surveillance (2009)
Mika Rautiainen, Timo Ojala, Hannu Kauniskangas, Mediateam Oulu, Infotech Oulu
This paper proposes a methodology for detecting the appearance of matte-surfaced objects on a scene using color information and spatial thresholding. First, a difference image is obtained via a...
Timo Ojala, Markus Koskela, Esa Matinmikko, Mika Rautiainen, Jorma Laaksonen, Erkki Oja
user evaluation of content-based image
This study describes experiments on automatic detection of semantic concepts, which are textual descriptions about the digital video content. The concepts can be further used in content-based...
Interactive experiments on video retrieval systems need to address the problem of internal validity, i.e. how much the test users ’ experience affects the retrieval effectiveness. This paper...
Mika Rautiainen, Mediateam Oulu, P. O. Box
This paper describes revised content-based search experiments in the context of TRECVID 2003 benchmark. Experiments focus on measuring content-based video retrieval performance with following search...
TRECVID 2005 Experiments at MediaTeam Oulu (2008)
Mika Rautiainen, Matti Varanka, Ilkka Hanski, Matti Hosio, Anu Pramila, Jialin Liu, ...
} discard umlauts University of Oulu’s MediaTeam research group participated to the manual and interactive search tasks with our video retrieval system, which is constructed out of three...
Trecvid 2003 experiments at mediateam oulu and vtt (2008)
Mika Rautiainen, Jani Penttilä, Paavo Pietarila, Kai Noponen, Matti Hosio, Timo Koskela, ...
) discard umlauts MediaTeam Oulu and VTT Technical Research Centre of Finland participated jointly in semantic feature extraction, manual search and interactive search tasks of TRECVID 2003. We...
wolf(r fv.insa- lyon. fr (2007)
Christian Wolf, David Doermann, Mika Rautiainen, Mediateam Oulu
doermann(cfar.umd.edu
Content-based search and browsing in semantic multimedia retrieval / (2006)
Diss. -- Oulun yliopisto.
CONTENT-BASED SEARCH AND BROWSING IN SEMANTIC MULTIMEDIA RETRIEVAL (2006)
Mika Rautiainen, C Technica, Cover Design, Raimo Ahonen
Supervised by
Cluster-temporal browsing of large news video databases (2004)
This paper describes cluster-temporal browsing of news video database. Cluster-temporal browsing combines content similarities and temporal adjacency into single representation. Visual, conceptual...
Detecting semantic concepts from video using temporal gradients and audio classification (2003)
Rautiainen, Mika, Seppänen, Tapio, Penttilä, Jani, Peltola, Johannes
Lecture Notes in Computer Science. Volume 2728, 397 - 402
Detecting semantic concepts from video using temporal gradients and audio classification (2003)
Mika Rautiainen, Jani Penttilä, Johannes Peltola, Mediateam Oulu, P. O. Box
Abstract. In this paper we describe new methods to detect semantic concepts from digital video based on audible and visual content. Temporal Gradient Correlogram captures temporal correlations of...
TREC-10 experiments at University of Maryland: CLIR and video (2002)
Kareem Darwish, David Doermann, Ryan Jones, Douglas Oard, Mika Rautiainen
The University of Maryland Researchers participated in both the Arabic-English Cross Language Information Retrieval (CLIR) and Video tracks of TREC-10. In the CLIR track, our goal was to explore...
Video indexing and retrieval at UMD (2002)
Christian Wolf, David Doermann, Mika Rautiainen
Our team from the University of Maryland and INSA de Lyon participated in the feature extraction evaluation with overlay text features and in the search evaluation with a query retrieval and browsing...