Biomedical subjects

Liana Stanescu

Publications and source records attributed to Liana Stanescu.

3 recordsLinked to original sources

PubMed2005

A Distributed Database and a New Application for the DRG System.

The article presents a new solution for the implementation of the DRG classifying system used in Romania to finance hospitals. The new solution implies two proposals. The first one refers to the use of a fragmented and distributed database at level of each hospital, and the second refers to the management and the viewing of this database by means of an on-line application implemented in Java. The solution proposes that the distributed database should be managed by two powerful tools, meaning Oracle8 Server and Net8. Different types of users are proposed, each type with his own rights for managing and viewing the database. Excepting local users who use only their local database, there are also global users from National DRG Bureau who can see data from all local databases, at any time. This solution is more efficient, secure and modern, than the one used now.

Computer Communication Networks↗

PubMed2005

A new algorithm for content-based region query in databases with medical images.

This article presents an original method of implementation of the color set back-projection algorithm that is one of the most efficient method of automated detection of color regions from an image. The detected regions are then used in the content-based region query. The query is realized on one or more regions, having into consideration the color feature. The efficiency of the method was studied by means of a number of experiments effectuated with the help of a software system realized for this purpose, on a collection of medical images collected with an endoscope. The new method for the implementation of the algorithm is compared with the traditional one not only from the point of view of the execution time, but also from the point of view of the retrieval process quality.

Algorithms↗

PubMed2004

MEDIM - software system for content-based visual retrieval study in databases with medical images.

This paper presents the MEDIM software system created for the study of a number of methods used in the content-based visual retrieval, based on color characteristics. The problems studied with the help of this system are content-based image query and extraction of color regions. The study of the implemented algorithms was conducted from the point of view of the retrieval quality and complexity, in different cases of transformation and quantization of color spaces, on a database with color medical images from the digestive apparatus sphere, collected with the help of an endoscope.

Algorithms↗