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1. 发明授权

US11610346B2 Image reconstruction using machine learning regularizers 有权
公开(公告)号：US11610346B2
公开(公告)日：2023-03-21
申请号：US16649918
申请日：2018-09-24
申请人： nView medical Inc.
发明人： Cristian Atria , Nisha Ramesh , Dimitri Yatsenko
IPC分类号： G06T11/00 , G06N20/00 , G06N3/08 , G06T7/00
摘要： A system and method for reconstructing an image of a target object using an iterative reconstruction technique can include a machine learning model as a regularization filter (100). An image data set for a target object generated using an imaging modality can be received, and an image of the target object can be reconstructed using an iterative reconstruction technique that includes a machine learning model as a regularization filter (100) used in part to reconstruct the image of the target object. The machine learning model can be trained prior to receiving the image data using learning datasets that have image data associated with the target object, where the learning datasets providing objective data for training the machine learning model, and the machine learning model can be included in the iterative reconstruction technique to introduce the object features into the image of the target object being reconstructed.

2. 发明申请

US20210073999A1 SYSTEMS AND METHODS FOR X-RAY TOMOSYNTHESIS IMAGE RECONSTRUCTION 有权
公开(公告)号：US20210073999A1
公开(公告)日：2021-03-11
申请号：US17100097
申请日：2020-11-20
申请人： nView medical Inc.
发明人： Cristian Atria , Arvidas B. Cheryauka , Lisa M. Last
IPC分类号： G06T7/11 , G06T11/00 , A61B6/03
摘要： Imaging systems comprising x-ray image reconstruction systems combined with optical imaging and/or tracking systems. In some embodiments, the imaging system may comprise an x-ray image reconstruction system configured to generate three-dimensional image data of at least an internal portion of a target object under a surface of the target object and a three-dimensional optical imaging system configured to reconstruct an image of at least a portion of the surface of the target object by generating surface three-dimensional image data. The three-dimensional optical imaging system may be registered to the x-ray tomosynthesis image reconstruction system such that three-dimensional image data from the x-ray tomosynthesis image reconstruction system and three-dimensional image data from the three-dimensional optical imaging system may be used as a constraint to improve image quality of an image of the target object.

3. 发明授权

US12062177B2 Systems and methods for x-ray tomosynthesis image reconstruction 有权
公开(公告)号：US12062177B2
公开(公告)日：2024-08-13
申请号：US17100097
申请日：2020-11-20
申请人： nView medical Inc.
发明人： Cristian Atria , Arvidas B. Cheryauka , Lisa M. Last
IPC分类号： G06T7/11 , A61B6/03 , G06T11/00
CPC分类号： G06T7/11 , A61B6/032 , G06T11/006 , G06T2200/04
摘要： Imaging systems comprising x-ray image reconstruction systems combined with optical imaging and/or tracking systems. In some embodiments, the imaging system may comprise an x-ray image reconstruction system configured to generate three-dimensional image data of at least an internal portion of a target object under a surface of the target object and a three-dimensional optical imaging system configured to reconstruct an image of at least a portion of the surface of the target object by generating surface three-dimensional image data. The three-dimensional optical imaging system may be registered to the x-ray tomosynthesis image reconstruction system such that three-dimensional image data from the x-ray tomosynthesis image reconstruction system and three-dimensional image data from the three-dimensional optical imaging system may be used as a constraint to improve image quality of an image of the target object.

4. 发明申请

US20170265820A1 IMAGING SYSTEMS AND RELATED APPARATUS AND METHODS 审中-公开
公开(公告)号：US20170265820A1
公开(公告)日：2017-09-21
申请号：US14198390
申请日：2014-03-05
申请人： NVIEW MEDICAL INC.
发明人： Cristian Atria
IPC分类号： A61B6/03
CPC分类号： A61B6/032 , A61B5/0073 , A61B6/022 , A61B6/025 , A61B6/027 , A61B6/4007 , A61B6/4014 , A61B6/486 , A61B6/503 , A61B6/504 , A61B6/5205 , G06T2211/428
摘要： Imaging systems and methods for rapidly generating reconstruction image data of an object while allowing access to the object during imaging. In some embodiments, the system may comprise at least one radiation source that moves along a path, which path may be defined by an enclosed gantry, and emits radiation toward at least one radiation detector. The radiation source(s) and the radiation detector may be positioned such that at least a portion of an object, such as a portion of a patient's anatomy, can be positioned in between the plurality of radiation sources and the radiation detector to facilitate generation of the reconstruction image data.

5. 发明公开

US20230310114A1 Surgical Navigation System with Distributed Patient Reference Tracking 审中-公开
公开(公告)号：US20230310114A1
公开(公告)日：2023-10-05
申请号：US18168839
申请日：2023-02-14
申请人： nView medical Inc.
发明人： Cristian Atria , Luke Newmeyer , Lisa Last , Keith Nelson
IPC分类号： A61B90/00 , A61B34/20
CPC分类号： A61B90/39 , A61B34/20 , A61B2034/2046 , A61B2090/3916 , A61B2090/3983
摘要： A non-rigid anatomy reference system can include reference markers that are rigidly attachable to separate bodies of rigid tissue connected through flexible tissue in a region of a patient forming a marker array. A tracking system can acquire movement data of the reference markers as a function of time and position. A processor can be configured to: receive the movement data, where an individual reference marker has a first number of degrees of freedom less than 6 and a second reference marker having a second number of degrees of freedom; track the marker array as a whole with a total number of degrees of freedom greater than the first and the second number; and produce an updated image of the region of the patient to maintain registration to a prior image of the region and the tracked movement of the reference markers via the function.

6. 发明申请

US20200090384A1 MULTI-SCALE IMAGE RECONSTRUCTION OF THREE-DIMENSIONAL OBJECTS 审中-公开
公开(公告)号：US20200090384A1
公开(公告)日：2020-03-19
申请号：US16572479
申请日：2019-09-16
申请人： nView medical Inc.
发明人： Cristian Atria , Devi Ayyagari , Justina Wunderlich
IPC分类号： G06T11/00 , G06T7/00 , B25J9/16
摘要： A technology for reconstructing an image of a three-dimensional object. In one example, a projection image dataset can be obtained from an imaging data detector and a reduced image dataset that has a lower quantity of data as compared to a quantity of data of the projection image dataset can be generated from the projection image dataset. An image remainder dataset can be generated to indicate an image difference between the projection image dataset and the reduced image dataset. A first scale image reconstruction of the three-dimensional object can be generated using the reconstruction technique and the reduced image dataset, and a second scale image reconstruction of the three-dimensional object can be generated using the iterative reconstruction technique and the image remainder dataset. In another example, a first scale image reconstruction of the three-dimensional object can be generated using a low-resolution reconstruction technique, and a second scale image reconstruction of the three-dimensional object can be generated by from an image dataset that compares the projection imaging dataset with the virtual projection of the first low-resolution reconstruction. A multi-scale image reconstruction of the three-dimensional object can be generated using a reconstruction technique and the first scale image reconstruction and the second scale image reconstruction.

7. 发明公开

US20230316601A9 ACCELERATED IMAGE RECONSTRUCTION SYSTEMS 有权
公开(公告)号：US20230316601A9
公开(公告)日：2023-10-05
申请号：US17963927
申请日：2022-10-11
申请人： nView medical Inc.
发明人： Jared Green , Mark Elliott , Cristian Atria
IPC分类号： G06T11/00
CPC分类号： G06T11/008 , G06T11/006 , G06T2211/412 , G06T2211/424 , G06T2210/41
摘要： The present technology relates to an imaging system. The imaging system can comprise at least one processor configured to apply a projection precomputation algorithm and an x-ray tomography image reconstruction system. The projection precomputation algorithm can be configured to: generate a projection operator matrix that can be used to calculate a plurality of voxels from a plurality of projection measurements before the plurality of projection measurements is acquired and store the projection operator matrix in memory. The projection operator matrix can be at least one of: a compressed matrix, a multi-iteration projection operator matrix, and a combination thereof. The x-ray tomography image reconstruction system can be configured to apply the projection operator matrix to generate a reconstructed three-dimensional image of at least an internal portion of a selected object under a surface of the selected object when the plurality of projection measurements is acquired.

8. 发明申请

US20170200271A1 SYSTEMS AND METHODS FOR IMAGE RECONSTRUCTION 审中-公开
公开(公告)号：US20170200271A1
公开(公告)日：2017-07-13
申请号：US15469301
申请日：2017-03-24
申请人： NVIEW MEDICAL INC.
发明人： Cristian Atria , Arvidas B. Cheryauka , Lisa M. Last
IPC分类号： G06T7/00 , G06T7/11 , G06T11/00
CPC分类号： G06T7/11 , G06T11/006 , G06T2200/04
摘要： Imaging systems comprising x-ray image reconstruction systems combined with optical imaging and/or tracking systems. In some embodiments, the imaging system may comprise an x-ray image reconstruction system configured to generate three-dimensional image data of at least an internal portion of a target object under a surface of the target object and a three-dimensional optical imaging system configured to reconstruct an image of at least a portion of the surface of the target object by generating surface three-dimensional image data. The three-dimensional optical imaging system may be registered to the x-ray tomosynthesis image reconstruction system such that three-dimensional image data from the x-ray tomosynthesis image reconstruction system and three-dimensional image data from the three-dimensional optical imaging system may be used as a constraint to improve image quality of an image of the target object.

9. 发明申请

US20230110437A1 ACCELERATED IMAGE RECONSTRUCTION SYSTEMS 有权
公开(公告)号：US20230110437A1
公开(公告)日：2023-04-13
申请号：US17963927
申请日：2022-10-11
申请人： nView medical Inc.
发明人： Jared Green , Mark Elliott , Cristian Atria
IPC分类号： G06T11/00
摘要： The present technology relates to an imaging system. The imaging system can comprise at least one processor configured to apply a projection precomputation algorithm and an x-ray tomography image reconstruction system. The projection precomputation algorithm can be configured to: generate a projection operator matrix that can be used to calculate a plurality of voxels from a plurality of projection measurements before the plurality of projection measurements is acquired and store the projection operator matrix in memory. The projection operator matrix can be at least one of: a compressed matrix, a multi-iteration projection operator matrix, and a combination thereof. The x-ray tomography image reconstruction system can be configured to apply the projection operator matrix to generate a reconstructed three-dimensional image of at least an internal portion of a selected object under a surface of the selected object when the plurality of projection measurements is acquired.

10. 发明授权

US11244481B2 Multi-scale image reconstruction of three-dimensional objects 有权
公开(公告)号：US11244481B2
公开(公告)日：2022-02-08
申请号：US16572479
申请日：2019-09-16
申请人： nView medical Inc.
发明人： Cristian Atria , Devi Ayyagari , Justina Wunderlich
IPC分类号： G06K9/00 , G06T11/00 , G06T7/00 , B25J9/16
摘要： A technology for reconstructing an image of a three-dimensional object. In one example, a projection image dataset can be obtained from an imaging data detector and a reduced image dataset that has a lower quantity of data as compared to a quantity of data of the projection image dataset can be generated from the projection image dataset. An image remainder dataset can be generated to indicate an image difference between the projection image dataset and the reduced image dataset. A first scale image reconstruction of the three-dimensional object can be generated using the reconstruction technique and the reduced image dataset, and a second scale image reconstruction of the three-dimensional object can be generated using the iterative reconstruction technique and the image remainder dataset. In another example, a first scale image reconstruction of the three-dimensional object can be generated using a low-resolution reconstruction technique, and a second scale image reconstruction of the three-dimensional object can be generated by from an image dataset that compares the projection imaging dataset with the virtual projection of the first low-resolution reconstruction. A multi-scale image reconstruction of the three-dimensional object can be generated using a reconstruction technique and the first scale image reconstruction and the second scale image reconstruction.

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