6533b82cfe1ef96bd128f596

RESEARCH PRODUCT

Suitability of a content-based retrieval method in astronomical image databases

Maria Concetta MaccaroneVito Di GesùEdoardo Ardizzone

subject

Digital imageInformation retrievalAutomatic image annotationComputer scienceContent (measure theory)Search engine indexingAstronomy and AstrophysicsVisual WordImage retrievalImage (mathematics)Content based retrieval

description

Abstract Indexing and retrieval methods based on the image content are required to effectively use information from large repositories of digital images. Usually, the way to search for data and images in astronomical archives is via textual queries expressed in terms of constraints on observation parameters. In this paper we present a method for automatic extraction of images by using shape descriptions based on local symmetry. The proposed indexing methodology has been developed and tested inside JACOB, a prototypal system for content-based video database querying.

https://doi.org/10.1016/s0083-6656(96)00023-2