| Revista: | Revista latinoamericana de hipertensión |
| Base de datos: | PERIÓDICA |
| Número de sistema: | 000436652 |
| ISSN: | 1856-4550 |
| Autores: | Vera, Miguel1 Huérfano, Yoleidy2 Hernández, Carlos1 Valbuena, Oscar3 Salazar, Williams4 Vera, María Isabel4 Barrera, Doris1 Borrero, Maryury1 Molina, Angel Valentín5 Martínez, Luis Javier5 Salazar, Juan1 Gelvez, Elkin1 Contreras, Yudith1 Saenz, Frank6 |
| Instituciones: | 1Universidad Simón Bolívar, Facultad de Ciencias Básicas y Biomédicas, Cúcuta, Norte de Santander. Colombia 2Universidad de Los Andes, Grupo de Investigación en Procesamiento Computacional de Datos, San Cristóbal, Táchira. Venezuela 3Universidad de Pamplona, Facultad de Ciencias Básicas, Pamplona, Norte de Santander. Colombia 4Hospital Central de San Cristóbal, Servicio de Neurología, San Cristóbal, Táchira. Venezuela 5Universidad ECCI, Grupo de Investigación en Ingeniería Clínica, Bogotá. Colombia 6Universidad Simón Bolívar, Facultad de Ingeniería, Cúcuta, Norte de Santander. Colombia |
| Año: | 2018 |
| Volumen: | 13 |
| Número: | 4 |
| Paginación: | 339-343 |
| País: | Venezuela |
| Idioma: | Inglés |
| Tipo de documento: | Artículo |
| Enfoque: | Analítico, descriptivo |
| Resumen en inglés | This work evaluates the performance of some methods employed for assessing the volume of seven subdural hematomas (EDH), present in multi-layer computed tomography images. Firstly, a reference volume is considered to be that obtained by a neurosurgeon using the manual planimetric method (MPM). Secondly, the volume of the 7 EDHs is obtained considering both the original version of the ABC/2 method and two of its variants, identified in this paper as ABC/3 method and 2ABC/3 method. The ABC methods allow for calculation of the volume of the hematoma under the assumption that the EDH has an ellipsoidal shape. In third place, an intelligent automatic technique (SAT) is implemented that generates the three-dimensional segmentation of each EDH and from it the volume of the hematoma is calculated. The SAT consists of the pre-processing, segmentation and post-processing stages. In order to make judgments about the performance of the SAT, the Dice coefficient (Dc) is used to compare the dilated segmentations of the EDH with the EDH segmentations generated manually. Finally, the percentage relative error is calculated as a metric to evaluate the methodologies considered. The results show that the SAT method exhibits the best performance generating an average percentage error of less than 2% |
| Disciplinas: | Medicina |
| Palabras clave: | Neurología, Radiología, Diagnóstico, Hematoma epidural, Tomografía computarizada, Volumetría, Segmentación de imágenes |
| Keyword: | Neurology, Radiology, Diagnosis, Epidural hematoma, Computed tomography, Volumetry, Image segmentation |
| Texto completo: | http://biblat.unam.mx/hevila/Revistalatinoamericanadehipertension/2018/vol13/no4/6.pdf |
