Variable adaptive threshold segmentation method for obtaining reference values of air cut-to-cut in computed tomography imaging studies (Machine-translation by Google Translate, not legally binding)

摘要

Segmentation method by variable adaptive threshold to obtain reference values of the air cut to cut in image studies by computerized tomography comprising the following stages: acquire images (d.101) of computed tomography, manage the images (d.102) ) acquired and postprocessed (d.103) the acquired images, where the post-processing stage comprises the following phases: obtaining a filtered image (d.30) of the computed tomography images by applying a median filter; obtain a segmented image (d.31) by applying a conventional segmentation algorithm; obtain an air reference threshold value (d.32) of a final image for each cut, where the final image is a result of multiplying pixel by pixel the segmented image (9) by the filtered image (8), where the value of the air reference threshold (7) is calculated by the equation umbralaire = μ 2 σ. (Machine-translation by Google Translate, not legally binding)