Search results for "Pictorial database"

showing 2 items of 2 documents

PDB: A pictorial database oriented to data analysis

1993

The paper describes a new pictorial database oriented to image analysis, implemented inside the MIDAS data analysis system. Pictorial databases need expressive data structures in order to represent a wide class of information from the numerical to the visual. The model of the database is relational; however, a full normalization is not achievable, owing to the complexity of the visual information. The paper reports the general design and notes on the software implementation. Preliminary experiments show the performance of the pictorial database. Copyright © 1993 John Wiley & Sons, Ltd

DatabaseSettore INF/01 - InformaticaRelational databaseComputer scienceNormalization (image processing)InformationSystems_DATABASEMANAGEMENTcomputer.software_genreData structureDatabase designPictorial databaseData analysis systemSystems designInformation retrievalManagement and queryRelational databaseDatabase theoryImage analysicomputerSoftwareDatabase model
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Elliptical Fourier Descriptors for shape retrieval in biological images

2002

The retrieval of information in a standard database can be obtained in different ways and in some cases a number of steps are necessary to extract the sought for information. More difficulties exist when we are looking for a pictorial information in a database. This paper presents a method for finding an image in a biological database based on elliptical Fourier descriptors. Fourier descriptors are considered here as textual information and a distance function is proposed to evaluate the best result. Fourier descriptors and distance function are used to retrieve image in pictorial database.

elliptical Fourier analysis pictorial database features extraction edge classification retrieval.
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