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公开(公告)号：US10692273B2
公开(公告)日：2020-06-23
申请号：US15610804
申请日：2017-06-01
发明人： Stefan Assmann , Klaus Engel , Kaloian Petkov , Ruth J Soenius , Daphne Yu
摘要： An embodiment suggests a method for visualizing an image data set, in particular a medical image data set, wherein the visualized data set displays a three dimensional arrangement having at least a first object and a second object. The method includes assigning a first set of parameter to the first object; assigning a second set of parameters to the second object; dividing the medical image data set into a first sub-region and a second sub-region; and providing a visualisation of the three dimensional arrangement by a volume rendering method, in particular by a ray-casting method or a photorealistic volumetric path tracing, the first set of parameter being applied to the first sub-region for visualizing the first object and the second set of parameter being applied to the second sub-region for visualizing the second object.
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公开(公告)号：US10172676B2
公开(公告)日：2019-01-08
申请号：US15150607
申请日：2016-05-10
发明人： Olivier Ecabert , Klaus Engel , Tommaso Mansi , Ingmar Voigt
IPC分类号： A61B5/055 , A61B34/10 , A61B90/00 , G06F3/01 , G06F3/03 , G06K9/00 , A61B5/11 , G16H50/50 , G06F19/00 , A61B34/00 , A61B17/00 , A61B34/20 , G06K9/62 , A61B5/00
摘要： A first interface for reading image data of an anatomical region obtained by means of a medical imaging method is provided. A modeling module serves for establishing a volumetric biomechanical structure model of the anatomical region on the basis of the image data. Moreover, provision is made of a tracking module, couplable with a camera, for video-based registration of spatial gestures of a user. Furthermore, a simulation module, based on the biomechanical structure model, serves to assign a registered gesture to a simulated mechanical effect on the anatomical region, simulate a mechanical reaction of the anatomical region to the simulated mechanical effect, and modify the biomechanical structure model in accordance with the simulated mechanical reaction. Moreover, provision is made for a visualization module for the volumetric visualization of the biomechanical structure model.
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公开(公告)号：US10092191B2
公开(公告)日：2018-10-09
申请号：US14598333
申请日：2015-01-16
发明人： Daphne Yu , Klaus Engel
摘要： Interior scan and exterior photos are jointly visualized in medical imaging. One or more cameras are mounted to the internal medical scanner, allowing a photograph to be taken while or in temporal proximity to when the internal region of the patient is scanned. An image associating the exterior photographs with the interior region of the patient is presented to assist in diagnosis. Due to the spatial and temporal proximity, the image may be a visualization formed by combining the photograph and interior scan data.
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公开(公告)号：US20170091982A1
公开(公告)日：2017-03-30
申请号：US14869042
申请日：2015-09-29
发明人： Klaus Engel , Daphne Yu , Gianluca Paladini
CPC分类号： G06T15/08 , G06T15/04 , G06T15/506 , G06T2210/41 , G06T2215/12 , G06T2215/16 , H04N5/2256
摘要： Methods, apparatuses, and systems are provided for live capturing of light map image sequences for image-based lighting of medical data. Patient volume scan data for a target area is received over time by a processor. Lighting environment data for the target area is captured over time by a camera. The camera transmits the lighting environment data to the processor over time. The processor lights the patient volume scan data with the lighting environment data into lighted volume data over time. The processor renders an image of the lighted volume data over time.
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公开(公告)号：US11017584B2
公开(公告)日：2021-05-25
申请号：US16638967
申请日：2018-07-30
发明人： Johannes Binder , Klaus Engel
摘要： A method is for visualizing an image data set, the image data set displaying a three-dimensional arrangement including at least a first object and a second object. The method includes providing a three dimensional image data set including first voxels assigned to the first object and second voxels assigned to the second object; identifying first voxels of the three-dimensional image data set; determining a set of parameters for volume rendering, the set of parameters determined including a subset of parameters and a focusing parameter; identifying primary rays impacting on the first object and identifying secondary rays missing the first object; and performing the volume rendering using the subset of parameters determined, for visualizing the first object and the second object. The focusing parameter used for the primary rays in the volume rendering is different from the focusing parameter used for the secondary rays in the volume rendering.
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公开(公告)号：US10354438B2
公开(公告)日：2019-07-16
申请号：US14843347
申请日：2015-09-02
发明人： Klaus Engel , James Williams
摘要： Functional and anatomical information are combined in medical imaging. The functional information is treated as a light source illuminating surrounding anatomy, not just along a viewing direction. As a result, rendered images of the anatomy include highlighting or visual lighting queues showing locations of biological activity using global illumination.
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公开(公告)号：US20170262598A1
公开(公告)日：2017-09-14
申请号：US15191043
申请日：2016-06-23
发明人： Kaloian Petkov , Shun Miao , Daphne Yu , Bogdan Georgescu , Klaus Engel , Tommaso Mansi , Dorin Comaniciu
CPC分类号： G06F19/345 , G06F19/00 , G06F19/321 , G06K9/6273 , G06K2209/05 , G06N3/0454 , G06T15/005 , G06T15/06 , G06T15/08 , G06T15/506 , G06T2210/41 , G16H50/20
摘要： An artificial intelligence agent is machine trained and used to provide physically-based rendering settings. By using deep learning and/or other machine training, settings of multiple rendering parameters may be provided for consistent imaging even in physically-based rendering.
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8.发明授权公开(公告)号：US09613452B2
公开(公告)日：2017-04-04
申请号：US14641471
申请日：2015-03-09
发明人： Shaohua Kevin Zhou , Klaus Engel
CPC分类号： G06T15/08
摘要： A method and apparatus for volume rendering based 3D image filtering and real-time cinematic volume rendering is disclosed. A set of 2D projection images of the 3D volume is generated using cinematic volume rendering. A reconstructed 3D volume is generated from the set of 2D projection images using an inverse linear volumetric ray tracing operator. The reconstructed 3D volume inherits noise suppression and structure enhancement from the projection images generated using cinematic rendering, and is thus non-linearly filtered. Real-time volume rendering can be performed on the reconstructed 3D volume using volumetric ray tracing, and each projected image of the reconstructed 3D volume is an approximation of a cinematic rendered image of the original volume.
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公开(公告)号：US12118657B2
公开(公告)日：2024-10-15
申请号：US17388123
申请日：2021-07-29
发明人： Klaus Engel
摘要： A computer-implemented method is for visualization of a three-dimensional object represented by volume data for a user in the form of a two-dimensional visualization image including a plurality of visualization pixels. In an embodiment, the method includes: providing an image synthesis algorithm designed for visualization of the three-dimensional object by mapping the volume data onto the visualization pixels; detecting an instantaneous viewing direction of the user; determining a focus area defined as a region of the visualization image, upon which the user focuses based upon the instantaneous viewing direction; adjusting the image synthesis algorithm such that the computing effort required for the mapping for visualization pixels outside of the focus area is lower than for visualization pixels inside of the focus area; and mapping volume data onto the visualization pixels with the adjusted image synthesis algorithm.
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公开(公告)号：US11302069B2
公开(公告)日：2022-04-12
申请号：US17016506
申请日：2020-09-10
发明人： Klaus Engel
IPC分类号： G06T15/83 , G06T7/11 , G06K9/62 , G06T15/06 , G06T15/08 , G06F3/0484 , G06F3/04847
摘要： In one embodiment, a method is for rendering medical volumetric images from received volumetric data, using a cinematic rendering approach, based on a Monte Carlo path tracing algorithm (MCPT). The MCPT algorithm uses at least one microfacet-based bidirectional reflectance distribution function (BRDF) for computing a probability how light is reflected at an implicit surface which is used for shading the implicit surface. In one embodiment, the method includes detecting if a surface scatter event is triggered. If yes, the method includes modifying the computation of a local gradient in the BRDF by perturbing the respective received volumetric data by applying a noise function for simulating a roughness of the implicit surface; and shading the implicit surfaces for rendering the received volumetric data.
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