The main data set viewer presents the user with controls for navigating the data set (either by section number or by sliding within the full body image) and a view of the selected cross sectional image. The section image can be arbitrarily scaled.
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The data set browser provides the user with an interface for generating arbitrary slices through the data as well as volume rendered reconstructions. The volume rendering interface aims to be non-technical, allowing the user to think in terms of the desired image and not in terms of the volume rendering parameters. Specifically, the user specifies anatomical structures as being of primary or secondary interest. The system renders primary structure as completely opaque. Secondary structure is rendered semi-transparent with the degree of transparency automatically computed to ensure that the primary structure remains visible.
The main data set viewer presents the user with controls for navigating the data set (either by section number or by sliding within the full body image) and a view of the selected cross sectional image. The section image can be arbitrarily scaled.
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Users work with the data set by constructing a collection of segmentation documents. These documents each describe a tissue type or the physical extent of an individual organ. Organs are segmented using a "staining" tool which allows the user to selectively propagate a digital "stain" over a region. The "stain" is adaptive and naturally respects boundaries in the data set.
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Segmentation documents can be arbitrarily combined to produce requests for 3D image reconstructions. The images are produced using the volume rendering technique of ray-casting. The reconstructed images use the natural color of the data set and incorporate diffuse and specular highlights of high opacity material. The system will produce single images, stereo pair images or short movies
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