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Reexamining the Cluster Hypothesis: Scatter/Gather on Retrieval Results

by Marti A. Hearst, Jan O. Pedersen , 1996
"... We present Scatter/Gather, a cluster-based document browsing method, as an alternative to ranked titles for the organization and viewing of retrieval results. We systematically evaluate Scatter/Gather in this context and find significant improvements over similarity search ranking alone. This resul ..."
Abstract - Cited by 480 (5 self) - Add to MetaCart
Introduction An important service offered by an information access system is the organization of retrieval results. Conventional systems rank results based on an automatic assessment of relevance to the query [20]. Alternatives include graphical displays of interdocument similarity (e.g., [1, 22, 7

VideoGraph: A Graphical Object-based Model for Representing and Querying Video Data

by Duc A. Tran, Kien A. Hua, Khanh Vu - IN THE PROC. OF ACM INT'L CONFERENCE ON CONCEPTUAL MODELING (ER 2000 , 2000
"... Modeling video data poses a great challenge since they do not have as clear an underlying structure as traditional databases do. We propose ..."
Abstract - Cited by 7 (1 self) - Add to MetaCart
Modeling video data poses a great challenge since they do not have as clear an underlying structure as traditional databases do. We propose

Detecting Irregularities in Images and in Video

by Oren Boiman, Michal Irani , 2007
"... We address the problem of detecting irregularities in visual data, e.g., detecting suspicious behaviors in video sequences, or identifying salient patterns in images. The term “irregular ” depends on the context in which the “regular ” or “valid ” are defined. Yet, it is not realistic to expect exp ..."
Abstract - Cited by 170 (1 self) - Add to MetaCart
explicit definition of all possible valid configurations for a given context. We pose the problem of determining the validity of visual data as a process of constructing a puzzle: We try to compose a new observed image region or a new video segment (“the query”) using chunks of data (“pieces of puzzle

Shmueli: W3QS: A query system for the World Wide Web

by David Konopnicki, Oded Shmueli , 1995
"... The World-Wide Web (WWW) is an ever growing, distributed, non-administered, global information resource. It resides on the worldwide computer network and allows access to heterogeneous information: text, image, video, sound and graphic data. Currently, this wealth of information is difficult to mine ..."
Abstract - Cited by 81 (3 self) - Add to MetaCart
The World-Wide Web (WWW) is an ever growing, distributed, non-administered, global information resource. It resides on the worldwide computer network and allows access to heterogeneous information: text, image, video, sound and graphic data. Currently, this wealth of information is difficult

A Graphical Query Language for Identifying Temporal Trends in Video Data

by Stacie Hibino, Elke Rundensteiner , 1994
"... Previous work in video annotation and analysis has concentrated more on the process of annotation than analysis. The focus of our research instead is to provide support for video analysis by developing an environment for the "casual user" to query the video data using spatio-temporal chara ..."
Abstract - Cited by 3 (2 self) - Add to MetaCart
Previous work in video annotation and analysis has concentrated more on the process of annotation than analysis. The focus of our research instead is to provide support for video analysis by developing an environment for the "casual user" to query the video data using spatio

A probabilistic framework for semantic video indexing, filtering, and retrival

by Milind Ramesh Naphade, Thomas S. Huang - IEEE Trans. Multimed , 2001
"... Abstract—Semantic filtering and retrieval of multimedia con-tent is crucial for efficient use of the multimedia data repositories. Video query by semantic keywords is one of the most difficult prob-lems in multimedia data retrieval. The difficulty lies in the mapping between low-level video represen ..."
Abstract - Cited by 110 (2 self) - Add to MetaCart
, probabilistic graphical networks, ROC curves, semantic video indexing, query

A survey of technologies for parsing and indexing digital video

by G. Ahanger, T. D. C. Little - Journal of visual Communication and image representation , 1996
"... Abstract–In the future we envision systems that will provide video information delivery services to customers on a very large scale. These systems must provide customers with mechanisms to select programs of their choice from live broadcasts. Customers should also be provided with easy means of brow ..."
Abstract - Cited by 83 (8 self) - Add to MetaCart
evaluation engine with the capabilities of query resolution in different content-specific formats (e.g., by graphics, by image, by sound) and in different domain-specific models (e.g., database of movies, database of newsclips) should be present. Additionally, the digital video database will require

Multiresolution Applications in Computer Graphics: Curves, Images, and Video

by Adam Finkelstein , 1996
"... Multiresolution Applications in Computer Graphics: Curves, Images, and Video by Adam Finkelstein Chairperson of Supervisory Committee: Assistant Professor David H. Salesin Computer Science and Engineering This dissertation presents some new representations and algorithms for multiresolution curves, ..."
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Multiresolution Applications in Computer Graphics: Curves, Images, and Video by Adam Finkelstein Chairperson of Supervisory Committee: Assistant Professor David H. Salesin Computer Science and Engineering This dissertation presents some new representations and algorithms for multiresolution curves

An Image and Video Search Engine for the World-Wide Web

by John R. Smith, Shih-fu Chang - In Proc. SPIE Storage and Retrieval for Image and Video Databases , 1997
"... We describe a visual information system prototype for searching for images and videos on the WorldWide Web. New visual information in the form of images, graphics, animations and videos is being published on the Web at an incredible rate. However, cataloging this visual data is beyond the capabiliti ..."
Abstract - Cited by 68 (9 self) - Add to MetaCart
We describe a visual information system prototype for searching for images and videos on the WorldWide Web. New visual information in the form of images, graphics, animations and videos is being published on the Web at an incredible rate. However, cataloging this visual data is beyond

Video-on-Demand Metadata Query Interfaces

by David Berger - University of California, Berkeley, Computer Science Division , 1995
"... Two graphical user interfaces to a Video-on-Demand system are described. Each interface allows a user to compose and submit queries to a metadata database for execution, thus helping the user find video data. The first interface is a full-function WYSIWYG interface implemented in Tcl/Tk. The second ..."
Abstract - Cited by 1 (0 self) - Add to MetaCart
Two graphical user interfaces to a Video-on-Demand system are described. Each interface allows a user to compose and submit queries to a metadata database for execution, thus helping the user find video data. The first interface is a full-function WYSIWYG interface implemented in Tcl/Tk. The second
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