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Combined emission/absorption and reflection/transmission volume rendering is able to display poorly segmented structures from 3-d medical image sequences. Visual cues such as shading and colour let the user distinguish structures in the 3-d display that are incompletely extracted by threshold segmentation. In order to be truly helpful, analysed information… (More)
In a model-based approach, MR images were used to build a database of individual eye models. In order to store the features of the specific eye morphology in an extensible, structured and Internet-accessible database, an appropriate XML structure was implemented. A document type definition was developed that managed the data of the correlated feature space… (More)
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Proton therapy has the potential for high-precision radiotherapy of retinal tumors. However, the standardized eye models currently used do not fully account for the patient's individual anatomy. To better exploit the data provided by MR images, a model-based approach was used based on a database of eye models. A face recognition algorithm was advanced to… (More)
In this article a new segmentation approach is described that is based on case-based reasoning and a combination of various established image processing concepts described in the current literature. Previously segmented data sets are used as anatomical models that represent the cases, called reference models. They describe the expected surface shape and… (More)