D
Dragutin Petkovic
Researcher at IBM
Publications - 62
Citations - 12884
Dragutin Petkovic is an academic researcher from IBM. The author has contributed to research in topics: Search engine indexing & Image retrieval. The author has an hindex of 30, co-authored 62 publications receiving 12808 citations.
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Patent
Method and means for managing a luminescent laptop keyboard
TL;DR: In this paper, a method and means for flash charging a plurality of touch-sensitive keys using a planar, light-transmissive multicolor liquid crystal display (LCD) where the tripping event is the position of a lid of the notebook within a critical angle of the base.
Spoken Document Retrieval
TL;DR: This work proposes a novel method for phonetic retrieval in the CueVideo system based on the probabilistic formulation of term weighting using phone confusion data in a Bayesian framework and evaluates this method of spoken document retrieval against word-based retrieval for the search levels identified in a realistic video-based distributed learning setting.
Journal ArticleDOI
Projection-based high accuracy measurement of straight line edges
TL;DR: A novel projection-based high accuracy algorithm to determine the parameters of a straight edge in a noisy image that is robust in the presence of many types of texture, patterned and bias noise, light intensity, and focus change, and is ideal for use in industrial machine vision.
Proceedings ArticleDOI
Efficient query by image content for very large image databases
TL;DR: The QBIC project in the IBM Almaden Research Center in San Jose, CA is conducting a theoretical, experimental, and prototyping study of the problem of querying large still image databases efficiently based on image content to discover general principles and identify target application(s) for which concrete pilot systems will be prototyped.
Proceedings ArticleDOI
Ultimedia Manager: Query By Image Content and its applications
R. Barber,Myron D. Flickner,James Lee Hafner,D. Lee,W. Niblack,Dragutin Petkovic,Jonathan Ashley,T. McConnell,J. Ho,J. Jang,D. Berkowitz,Peter Cornelius Yanker,Mimi Vo,D. Haas,D. Lassig,S. Tate,A. Chang,P. van Houten,J. Chang,T. Petersen,D. Lutrell,M. Snedden,P. Faust,C. Matteucci,M. Rayner,R. Peters,W. Beck,J. Witsett +27 more
TL;DR: The beta version of the PC-based Ultimedia Manager product, which is based on QBIC technology, is described and the product philosophy is outlined and a demonstration of the current version is given.