Interactive Generation and Modification of Cutaway Illustrations for Polygonal Models
SG '09 Proceedings of the 10th International Symposium on Smart Graphics
Direct volume drilling of internal structures using a 2D pointing device
ACM SIGGRAPH ASIA 2010 Posters
RibbonView: interactive context-preserving cutaways of anatomical surface meshes
ISVC'10 Proceedings of the 6th international conference on Advances in visual computing - Volume Part II
iVolBrush: an intelligent interactive tool for efficient volume selection and editing
Proceedings of the First International Conference on Intelligent Interactive Technologies and Multimedia
Adaptive Cross-sections of Anatomical Models
Computer Graphics Forum
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Internal structures, features, and properties in volumetric datasets are mostly obscured and hidden. In order to reveal and explore them, appropriate tools are required to remove and carve the occluding materials and isolate and extract different regions of interest. We introduce a framework of interactive tools for real-time volume sculpting and segmentation. We utilize a GPU-based point radiation technique as a fundamental building block to create a collection of high-quality volume manipulation tools for direct drilling, lasering, peeling, and cutting/pasting. In addition, we enable interactive parallel region growing segmentation that allows multiple seed planting by direct sketching on different volumetric regions with segmentation results dynamically modified during the process. We use the same point radiation technique to create high-quality real-time feedback of the segmented regions during the seed growing process. We present results obtained from raw and segmented medical volume datasets.