Segmentation for a medical virtual environment is a process of image diagnosis. It should be performed by clinical doctors, otherwise the data may be meaningless for using clinical purposes. At the National Cancer Center, in Japan, we have recently developed interactive, editable real-time volume rendering software (VolMed), based on Volren-6 software, with the ability to interactively edit the 3D images of a patient's virtual cancer and virtual organs, in a virtual environment. Doctors can see proposed solutions to clinical problems as 3D images, using real-time volume rendering. We conclude that interactive editing is very important for clinical use, and also decreases the time required to create the virtual cancer images used for surgical simulation, pre-surgical planning and 3D invasion diagnoses.
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