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Fast volumetric registration method for tumor follow-up in pulmonary CT exams
Silva, JS; Cancela, J; Teixeira, LAn oncological patient may go through several tomographic acquisitions during a period of time, needing an appropriate registration. We propose an automatic volumetric intrapatient registration method for tumor follow-up in pulmonary CT exams. The performance of our method is evaluated and compared with other registration methods based on optimization techniques. We also compared the metrics behavior to inspect...
Quantitative evaluation of a pulmonary contour segmentation algorithm in X-ray ...
Sousa-Santos, B; Ferreira, C; Silva, JS; Teixeira, LRATIONALE AND OBJECTIVES: Pulmonary contour extraction from thoracic x-ray computed tomography images is a mandatory preprocessing step in many automated or semiautomated analysis tasks. This study was conducted to quantitatively assess the performance of a method for pulmonary contour extraction and region identification. MATERIALS AND METHODS: The automatically extracted contours were statistically compared w...
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