SELECTING TRANSFER FUNCTIONS FOR DISPLAYING MEDICAL IMAGES
System and related method to visualize image data. The system comprises an input port (IN) for receiving i) image data comprising a range of intensity values converted from signals acquired by an imaging apparatus in respect of an imaged object, and ii) a definition of a first transfer function conf...
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Main Authors | , , , |
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Format | Patent |
Language | English French German |
Published |
04.12.2019
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Online Access | Get full text |
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Abstract | System and related method to visualize image data. The system comprises an input port (IN) for receiving i) image data comprising a range of intensity values converted from signals acquired by an imaging apparatus in respect of an imaged object, and ii) a definition of a first transfer function configured to map a data interval within said range of said intensity values to an image interval of image values. A transition region identifier (TRI) identifies from among intensity values outside said data interval, one or more transition intensity values representative of a transition in composition and/or configuration of said object or of a transition in respect of a physical property in relation to said object. A transfer function generator (TFG) generates for said intensity values outside said data interval a second transfer function. The second transfer function is non-linear and has a respective gradient that is locally maximal around said transition intensity values. A renderer (RD) then renders, on a display unit (MT), a visualization of at least a part of said image data based on the two transfer functions. |
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AbstractList | System and related method to visualize image data. The system comprises an input port (IN) for receiving i) image data comprising a range of intensity values converted from signals acquired by an imaging apparatus in respect of an imaged object, and ii) a definition of a first transfer function configured to map a data interval within said range of said intensity values to an image interval of image values. A transition region identifier (TRI) identifies from among intensity values outside said data interval, one or more transition intensity values representative of a transition in composition and/or configuration of said object or of a transition in respect of a physical property in relation to said object. A transfer function generator (TFG) generates for said intensity values outside said data interval a second transfer function. The second transfer function is non-linear and has a respective gradient that is locally maximal around said transition intensity values. A renderer (RD) then renders, on a display unit (MT), a visualization of at least a part of said image data based on the two transfer functions. |
Author | FRANZ, Astrid Ruth WIEMKER, Rafael SCHADEWALDT, Nicole BYSTROV, Daniel |
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Discipline | Medicine Chemistry Sciences Physics |
DocumentTitleAlternate | AUSWAHL VON ÜBERTRAGUNGSFUNKTIONEN ZUR ANZEIGE VON MEDIZINISCHEN BILDERN SÉLECTION DE FONCTIONS DE TRANSFERT POUR AFFICHER DES IMAGES MÉDICALES |
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Snippet | System and related method to visualize image data. The system comprises an input port (IN) for receiving i) image data comprising a range of intensity values... |
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SubjectTerms | CALCULATING COMPUTING COUNTING IMAGE DATA PROCESSING OR GENERATION, IN GENERAL PHYSICS |
Title | SELECTING TRANSFER FUNCTIONS FOR DISPLAYING MEDICAL IMAGES |
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