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INDONESIA
Jurnal Ilmiah Informatika Komputer
Published by Universitas Gunadarma
ISSN : 08538638     EISSN : 20898045     DOI : http://dx.doi.org/10.35760/ik
Core Subject : Science,
Computer Science & IT Decision Sciences, Operations Research & Management
This journal is published periodically three times a year, April, August, and December. It publishes a broad range of research articles on Information Technology and Communication, whether in Indonesian Language or English.
Arjuna Subject : Ilmu Komputer (semua kategori) - Sistem Informasi
Articles 2 Documents
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Search results for , issue "Vol 11, No 3 (2006)" : 2 Documents clear
AN OPTIMAL EDGE DETECTOR FOR AUTOMATIC SHAPE EXTRACTION IN CBIR APPLICATIONS Madenda, Sarifuddin
Jurnal Ilmiah Informatika Komputer Vol 11, No 3 (2006)
Publisher : Universitas Gunadarma

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Abstract

Detecting edges in digital images is a trickly operation in image processing since images may contain areas with different degrees of noise, blurring and sharpeness. This operation represents an important step of the whole process of similarity shape analysis and retrieval. There is a variety of edge detectors and each detector has different performances depending on image properties. Several edge detectors are very effective for sharp images but sensitive to noise while some detectors are well adapted to both sharp and noisy images (depending on the filter parameters) but are sensitive to blurring. This article presents two smoothing and detection filters which are well adapted to the detection of blurred or/and noisy edges. Their development is based on a model of blurred contours. These filters can be implemented in a third-order recursive form and offer advantages in the analysis of different edge types (sharp, noisy and blurred). Experimental analysis shows that the results obtained by these filters give a definitely better quality of the edge detection with respect to the existing filters. They also provide a better detection and good edge localization.Keywords : edge detector, automatic shape extraction, CBIR application
SURVEY REPORT ON NEW INFORMATION INTEGRATION Wicaksana, I Wayan Simri
Jurnal Ilmiah Informatika Komputer Vol 11, No 3 (2006)
Publisher : Universitas Gunadarma

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Abstract

Information integration has been developping for fullfill some needs at many areas. Currently, there are still many challenging in information integration issues. One of the main trigger in information integration is internet, web, ‘easier’ to develop electronic data and distributed computing infrastructure. There are many questions arise in information integration. What are the requirements changed over time? What key progress has been made? How in the future?. The meaning of information integration are involve information interoperability, information sharing. Information and data definition in this paper is described as data is a source of information. Therefore, sometime, using of terminology data and information is changeable. Refer to current condition, to decide it is data or information depends on point of view user. Many afford in research and industrial practices have been introduced since two decades. From effort in transfer file, federate, until semantic mediation, and information broker have been done and still continue until today. The challenges for today information integration are well understood. Information integration purpose is in order to manage and use information effectively. Find new approach to overcome previous problem will be still continues. This report contains a survey on some approach of information integration. The paper will be divided in four sections. First section writes about introduction and generation of information integration as a background theory talk in section two. Section four points out some ‘new’ information integration approach. And the last section gives summary of the paper.Keywords : survey, information integration

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