Liver Visualization for Surgical Planning:
Integrated Visualization of Portal and Hepatic Veins

Image Source: CT images (CTAP) provided by Dr. Nobuyuki Shiraga at Keio University Hospital

Volume Rendering Using Multi-Chanel Tissue Classification Based on 3D Local Intensity Structures
Preprocessing: Manual Segmentation of liver region in each CT image.
Channel 1. Original Image of Portal Vein Phase
Channel 2. 3D Line-Filtered Image of Portal Vein Phase
Channel 3. Original Image of Hepatic Vein Phase
Channel 4. 3D Line-Filtered Image of Hepatic Vein Phase
Channel 5. Image with Roughly Trimmed Tumor Region
(click here for mpeg movie! [330KB])
Portal Vein(white), Hepatic Vein(blue), and Tumor(green)

Note: Liver visualization using conventional tissue classification is done by Johns Hopkins group.

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