Advanced 3D image processing techniques for liver and hepatic tumor location and volumetry

Stephane Chemouny; Henri Joyeux; Bruno Masson; Frederic Borne; Marc Jaeger; Olivier Monga

doi:10.1117/12.348633

21 May 1999 Advanced 3D image processing techniques for liver and hepatic tumor location and volumetry

Stephane Chemouny, Henri Joyeux, Bruno Masson, Frederic Borne, Marc Jaeger, Olivier Monga

Proceedings Volume 3661, Medical Imaging 1999: Image Processing; (1999) https://doi.org/10.1117/12.348633
Event: Medical Imaging '99, 1999, San Diego, CA, United States

Abstract

To assist radiologists and physicians in diagnosing, and in treatment planning and evaluating in liver oncology, we have developed a fast and accurate segmentation of the liver and its lesions within CT-scan exams. The first step of our method is to reduce spatial resolution of CT images. This will have two effects: obtain near isotropic 3D data space and drastically decrease computational time for further processing. On a second step a 3D non-linear `edge- preserving' smoothing filtering is performed throughout the entire exam. On a third step the 3D regions coming out from the second step are homogeneous enough to allow a quite simple segmentation process, based on morphological operations, under supervisor control, ending up with accurate 3D regions of interest (ROI) of the liver and all the hepatic tumors. On a fourth step the ROIs are eventually set back into the original images, features like volume and location are immediately computed and displayed. The segmentation we get is as precise as a manual one but is much faster.

Citation Download Citation

Stephane Chemouny, Henri Joyeux, Bruno Masson, Frederic Borne, Marc Jaeger, and Olivier Monga "Advanced 3D image processing techniques for liver and hepatic tumor location and volumetry", Proc. SPIE 3661, Medical Imaging 1999: Image Processing, (21 May 1999); https://doi.org/10.1117/12.348633

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