Abstract: Movies of volume rendered medical images, that give an impression of the anatomy, become more and more important, because this type of visualization comes close to reality. However it is time consuming to compose these movies, if another path than geometrical primitives (like a circle) is preferred. Besides this it is virtually impossible to reproduce comparable complex, manually composed, fly-paths. The proposed apparatus focuses on volume rendered movies of whole heart MR scans. It solves the problems mentioned above, by automatically deriving a fly-path from the segmentation data of the coronary arteries. A method, computer-readable medium and use are also provided.

Abstract: A method of visualization of a multi-dimensional dataset of data-elements involves a rendering process in which a display-value and an opacity value are assigned to individual data-elements. One or several control sets are defined comprising respective datavalues, display-values and opacity values related according to the transfer function and for individual control set(s) the opacity value is adjustable independently of the opacity values of other control set(s). The individually and independently adjustable control sets enable the user to adjust the transfer function in a very intuitive way.

Abstract: A method for creating a preset map for the visualization of an image dataset is provided. The method comprises dynamically adapting the preset map based on image dataset properties resulting in an adapted preset map. The method may be used for identifying the gray value similarity between the volume that the preset was created for and the volume to which the preset is supplied. This similarity measure is used to adapt the preset. As a result comparable 3D images, including structure and color, are created. An apparatus and a computer-readable medium are also provided.

Abstract: A method of relating medical data image viewing planes to each other is provided. The method comprises defining at least two non-orthogonal two-dimensional (2D) image viewing planes in at least one three-dimensional (3D) medical image data set, and linking said 2D image viewing planes with a fixed relation to each other, such that when a first of said 2D image viewing planes is altered, the remaining 2D image viewing planes are automatically changed by said fixed relation with reference to said first 2D image viewing plane.

Abstract: A method for visualization and inspection of elongated curved structures is disclosed. According to an embodiment improved inspection of elongated three dimensional (3D) curved structures such as blood vessels in a 3D medical image is disclosed. Rendering is performed such that it results in the visualization of a (3D) curved cutplane of said curved elongated structure. The advantages of this method are for instance that the cutplane information is interpreted easily in relation to the three-dimensional shape and surroundings of the elongated object, without distortions, and that cutplanes along more than one structure can be visualized and examined together at the same time, without interpretation problems for diagnosis and therapy of anomalies in e.g. the blood vessels.

Abstract: Movies of volume rendered medical images, that give an impression of the anatomy, become more and more important, because this type of visualization comes close to reality. However it is time consuming to compose these movies, if another path than geometrical primitives (like a circle) is preferred. Besides this it is virtually impossible to reproduce comparable complex, manually composed, fly-paths. The proposed apparatus focuses on volume rendered movies of whole heart MR scans. It solves the problems mentioned above, by automatically deriving a fly-path from the segmentation data of the coronary arteries. A method, computer-readable medium and use are also provided.

Abstract: A method for visualization and inspection of elongated curved structures is disclosed. According to an embodiment improved inspection of elongated three dimensional (3D) curved structures such as blood vessels in a 3D medical image is disclosed. Rendering is performed such that it results in the visualization of a (3D) curved cutplane of said curved elongated structure. The advantages of this method are for instance that the cutplane information is interpreted easily in relation to the three-dimensional shape and surroundings of the elongated object, without distortions, and that cutplanes along more than one structure can be visualized and examined together at the same time, without interpretation problems for diagnosis and therapy of anomalies in e.g. the blood vessels.

Abstract: A method for creating a preset map for the visualization of an image dataset is provided. The method comprises dynamically adapting the preset map based on image dataset properties resulting in an adapted preset map. The method may be used for identifying the gray value similarity between the volume that the preset was created for and the volume to which the preset is supplied. This similarity measure is used to adapt the preset. As a result comparable 3D images, including structure and color, are created. An apparatus and a computer-readable medium are also provided.

Abstract: A method for use in scale-based visualization of an image dataset is provided. The method comprises identifying a first set of voxels of the image dataset, wherein the voxels of the first set of voxels comprises gray values that are statistically frequently present in the image dataset, identifying a second set of voxels, wherein the voxels of the second set of voxels comprises gray values that are not statistically frequently present in the image dataset, and calculating a scale based on the first set of voxels and the second set of voxels using a transfer function, wherein the transfer function is non-linear. The method offers high manipulation accuracy where required within a limited amount of display space, by changing the linear interaction scale into a non-linear scale. Important image/volume gray values are given a higher percentage of interaction space on the available display space than other less important gray values.

Abstract: A method of relating medical data image viewing planes to each other is provided. The method comprises defining at least two non-orthogonal two-dimensional (2D) image viewing planes in at least one three-dimensional (3D) medical image data set, and linking said 2D image viewing planes with a fixed relation to each other, such that when a first of said 2D image viewing planes is altered, the remaining 2D image viewing planes are automatically changed by said fixed relation with reference to said first 2D image viewing plane.

Abstract: A method of visualization of a multi-dimensional dataset of data-elements involves a rendering process in which a display-value and an opacity value are assigned to individual data-elements. One or several control sets are defined comprising respective datavalues, display-values and opacity values related according to the transfer function and for individual control set(s) the opacity value is adjustable independently of the opacity values of other control set(s). The individually and independently adjustable control sets enable the user to adjust the transfer function in a very intuitive way.

Abstract: A method of visualization of a multi-dimensional dataset of data-elements involves rendering process in which a display-value and an opacity value are assigned to individual data-elements. The display-values are determined on the basis of a histogram of the data-values of the multi-dimensional dataset. The histogram being is displayed in combination with a separate distribution of display-values.

Abstract: A method of creating a segmentation of a volume of interest in an object data set is described, which object data set is formatted into object data slices, in which at least two object data slices each contain a contour line defining the portion of the volume of interest present in that object data slice as a region of interest. The method comprises the steps of calculating at least one surface which cuts through each of the at least two regions of interest, defining two curves on each of said surface which intersect with the contour lines, arranging for those curves to define the portion of the volume of interest present in said surface, calculating on each of the remaining object data slices a contour line which includes those points on the curves which intersect with that object data slice. A computer program and work station are also described.

Abstract: The invention relates to a workstation provided with an interface for the processing of sets of diagnostic images. The diagnostic images may have been generated by various diagnostic imaging modalities such as X-ray, CT, MRI, ultrasound etc. Various image processing applications can be applied to each set of diagnostic images. For each set of diagnostic images there is formed a representative pictorial (small image showing coarse details only) is formed and displayed. Furthermore, a set of attributes is assigned to the respective sets of images. Such attributes determine the image processing applications that are feasible for the set of diagnostic images at issue. The applicable image processing applications are displayed together with each pictorial. Preferably, the combinations of applicable image processing applications and the pictorial are displayed in a tab-page structure which corresponds to the workflow in the relevant hospital department.