• Automatic centerline extraction of left coronary artery from X–ray rotational angiographic images 

      Chacón, Gerardo; Rodríguez, Johel; Bermúdez, Valmore; Vera, Miguel; Madriz, Delia; Bravo, Antonio (International Society For Optical Engineering, 2018)
      Rotational X-ray coronary angiography is a medical imaging technique safe and effective in identifying of the luminal disease, which considers a significant reduction in radiation exposure and contrast medium volume compared ...
    • Computational assessment of stomach tumor volume from multi-slice computerized tomography images in presence of type 2 cancer [version 2; referees: 1 approved, 1 not approved] 

      Chacón, Gerardo; Rodríguez, Johel E.; Bermúdez, Valmore; Vera, Miguel; Hernández, Juan Diego; Vargas, Sandra; Pardo, Aldo; Lameda, Carlos; Madriz, Delia; Bravo, Antonio J. (F1000 Research Ltda., 2018-07)
      Background: The multi–slice computerized tomography (MSCT) is a medical imaging modality that has been used to determine the size and location of the stomach cancer. Additionally, MSCT is considered the best modality for ...
    • Reconstrucción 3-D del Ventrículo Izquierdo de Corazón Humano a partir de Angiocardiografía Rotacional por Rayos X Usando Conectores Difusos 

      Gerardo Chacón, José; Rodríguez, Johel; Vera, Miguel; Madriz, Delia; Bravo, Antonio (Latin American and Caribbean Consortium of Engineering Institutions, LACCEI, 2019-07)
      En este trabajo, se propone un método de reconstrucción tri-dimensional aproximada del ventrículo izquierdo de corazón humano. El método realiza la reconstrucción a partir de la información asociada a los niveles de ...
    • Resonancia magnética en cardiología 

      Bravo, Antonio J.; Vera, Miguel; Madriz, Delia; Contreras-Velásquez, Julio; Vera, María; Chacón, José; Wilches-Durán, Sandra; Graterol-Rivas, Modesto; Riaño-Wilches, Daniela; Rojas, Joselyn; Bermúdez, Valmore (Cooperativa servicios y suministros 212518 RS, 2017)
      El principio de la resonancia magnética nuclear basado en la utilización de ondas de radio frecuencia y campos magnéticos es el fundamento del proceso de generación de imágenes tridimensionales por resonancia magnética. ...
    • A score function as quality measure for cardiac image enhancement techniques assessment 

      Chacón, Gerardo; Rodríguez, Johel E.; Bermúdez, Valmore; Flórez, Anderson; Del Mar, Atilio; Pardo, Aldo; Lameda, Carlos; Madriz, Delia; Bravo, Antonio J. (Sociedad Latinoamericana de Hipertensión, 2019)
      A score function useful as a quantitative measure of the performance of the medical image enhancement techniques is reported in this paper. The measure proposed is based on merging of full–reference and blind–reference ...