-
公开(公告)号：US20240303927A1
公开(公告)日：2024-09-12
申请号：US18279196
申请日：2022-02-25
申请人： Covidien LP
IPC分类号： G06T17/20 , A61B34/10 , G06V10/26 , G06V10/44 , G06V10/764 , G06V10/774 , G06V10/82 , G06V10/86 , G06V20/50 , G16H50/50
CPC分类号： G06T17/20 , A61B34/10 , G06V10/26 , G06V10/44 , G06V10/764 , G06V10/82 , G06V10/86 , G06V20/50 , G16H50/50 , A61B2034/105 , G06T2200/04 , G06T2200/24 , G06T2210/41 , G06V10/774 , G06V2201/031
摘要： Systems and methods of image processing include a processor in communication with a display and a computer readable recording medium having instructions executed by the processor to read a three-dimensional (3D) image data set from the computer-readable recording medium and automatically generate a tree structure of blood vessels based on patient images of the image data set using a neural network. Manually- and/or semi-automatically-generated 3D models of blood vessels are used to train the neural network. The systems and methods involve segmenting and classifying blood vessels in the 3D image data set using the trained neural network, closing holes, finding roots and endpoints in the segmentation, finding shortest paths between the roots and endpoints, selecting most probable paths, combining most probable paths into directed graphs, solving overlaps between directed graphs, and creating 3D models of blood vessels based on the directed graphs.
-
公开(公告)号：US20240206980A1
公开(公告)日：2024-06-27
申请号：US18288355
申请日：2022-05-19
申请人： Covidien LP
发明人： Ariel Birenbaum , Shaked Pessah , Guy Alexandroni
CPC分类号： A61B34/20 , A61B6/12 , A61B6/4441 , A61B6/487 , A61B6/5258 , G06T7/70 , G06T15/08 , A61B2034/2051 , A61B2090/376 , G06T2207/10016 , G06T2207/10064 , G06T2210/41
摘要： Object detection including receiving a fluoroscopic video including a plurality of fluoroscopic images captured by a fluoroscope rotated about a patient, generating a three-dimensional (3D) volumetric reconstruction from the fluoroscopic images, deleting values in the 3D volumetric reconstruction beyond a region of interest about an object, generating 2D images from a remaining 3D volumetric reconstruction following the deleting of values: detecting the object in the 2D images to determine an initial position of the object, and refining the detected initial position of the object.
-
3.发明授权公开(公告)号：US11992349B2
公开(公告)日：2024-05-28
申请号：US18101032
申请日：2023-01-24
申请人： Covidien LP
CPC分类号： A61B6/12 , A61B6/00 , A61B6/022 , A61B6/463 , A61B6/466 , A61B6/487 , A61B6/5235 , A61B34/20 , A61B2034/2046 , A61B2034/2051 , A61B2034/2065 , A61B2090/367 , A61B2090/3762 , A61B2090/3908 , A61B2090/3966 , A61B2090/3983
摘要： A system for constructing fluoroscopic-based three-dimensional volumetric data of a target area within a patient from two-dimensional fluoroscopic images including a structure of markers, a fluoroscopic imaging device configured to acquire a sequence of images of the target area and of the structure of markers, and a computing device. The computing device is configured to estimate a pose of the fluoroscopic imaging device for at least a plurality of images of the sequence of images based on detection of a possible and most probable projection of the structure of markers as a whole on each image of the plurality of images. The computing device is further configured to construct fluoroscopic-based three-dimensional volumetric data of the target area based on the estimated poses of the fluoroscopic imaging device.
-
4.发明公开公开(公告)号：US20240138783A1
公开(公告)日：2024-05-02
申请号：US18407421
申请日：2024-01-08
申请人： Covidien LP
CPC分类号： A61B6/12 , A61B6/032 , A61B6/466 , A61B6/487 , A61B6/547 , A61B34/20 , A61B90/39 , A61B2034/2051 , A61B2034/2055 , A61B2090/3966
摘要： Imaging systems and methods estimate poses of a fluoroscopic imaging device, which may be used to reconstruct 3D volumetric data of a target area, based on a sequence of fluoroscopic images of a medical device or points, e.g., radiopaque markers, on the medical device captured by performing a fluoroscopic sweep. The systems and methods may identify and track the points along a length of the medical device appearing in the captured fluoroscopic images. The 3D coordinates of the points may be obtained, for example, from electromagnetic sensors or by performing a structure from motion method on the captured fluoroscopic images. In other aspects, a 3D shape of the catheter is determined, then the angle at which the 3D catheter projects onto the 2D catheter in each captured fluoroscopic image is found.
-
公开(公告)号：US20220335690A1
公开(公告)日：2022-10-20
申请号：US17847422
申请日：2022-06-23
申请人： Covidien LP
摘要： A system and method of image processing including a processor in communication with a display and a computer readable recording medium having instructions executed by the processor to read an image data set from the memory, segment the image data set, and skeletonize the segmented image data set. The instructions cause the processor to graph the skeletonized image data set, assign a branch identification (ID) for each branch in the graph, and associate each voxel of the segmented image data set with a branch ID. The instructions cause the processor to generate a three-dimensional (3D) mesh model from the graphed skeletonized image data set, associate each vertex of the 3D mesh model with a branch ID; and display in a user interface the 3D mesh model, and an image of the image data set.
-
公开(公告)号：US11341692B2
公开(公告)日：2022-05-24
申请号：US17089151
申请日：2020-11-04
申请人： Covidien LP
发明人： Oren P. Weingarten , Ron Barak , Evgeni Kopel , Benjamin Greenburg , Efrat Kedmi-Shahar , Dafna Mardix , Ariel Birenbaum , Guy Alexandroni , Eyal Klein
摘要： A system for facilitating identification and marking of a target in a fluoroscopic image of a body region of a patient, the system comprising one or more storage devices having stored thereon instructions for: receiving a CT scan and a fluoroscopic 3D reconstruction of the body region of the patient, wherein the CT scan includes a marking of the target; and generating at least one virtual fluoroscopy image based on the CT scan of the patient, wherein the virtual fluoroscopy image includes the target and the marking of the target, at least one hardware processor configured to execute these instructions, and a display configured to display to a user the virtual fluoroscopy image and the fluoroscopic 3D reconstruction.
-
公开(公告)号：US20210233308A1
公开(公告)日：2021-07-29
申请号：US17108843
申请日：2020-12-01
申请人： Covidien LP
摘要： A system and method of image processing including a processor in communication with a display and a computer readable recording medium having instructions executed by the processor to read an image data set from the memory, segment the image data set, and skeletonize the segmented image data set. The instructions cause the processor to graph the skeletonized image data set, assign a branch identification (ID) for each branch in the graph, and associate each voxel of the segmented image data set with a branch ID. The instructions cause the processor to generate a three-dimensional (3D) mesh model from the graphed skeletonized image data set, associate each vertex of the 3D mesh model with a branch ID; and display in a user interface the 3D mesh model, and an image of the image data set.
-
8.发明授权公开(公告)号：US10702226B2
公开(公告)日：2020-07-07
申请号：US15892053
申请日：2018-02-08
申请人： Covidien LP
摘要： A system for constructing fluoroscopic-based three-dimensional volumetric data of a target area within a patient from two-dimensional fluoroscopic images including a structure of markers, a fluoroscopic imaging device configured to acquire a sequence of images of the target area and of the structure of markers, and a computing device. The computing device is configured to estimate a pose of the fluoroscopic imaging device for at least a plurality of images of the sequence of images based on detection of a possible and most probable projection of the structure of markers as a whole on each image of the plurality of images. The computing device is further configured to construct fluoroscopic-based three-dimensional volumetric data of the target area based on the estimated poses of the fluoroscopic imaging device.
-
公开(公告)号：US11950951B2
公开(公告)日：2024-04-09
申请号：US17575465
申请日：2022-01-13
申请人： Covidien LP
发明人： Guy Alexandroni , Ariel Birenbaum
CPC分类号： A61B6/547 , A61B6/4441 , A61B6/487 , A61B90/39 , A61B2090/3966
摘要： Imaging systems and methods compensate for wigwag movement of a C-arm fluoroscope to refine camera pose estimates. The methods involve computing a primary movement axis from samples of markers in fluoroscopic images of a fluoroscopic sweep of a structure of markers and processing the primary movement axis to obtain a secondary movement axis. The methods further involve aligning two-dimensional samples of each marker with the primary and secondary movement axes to obtain an aligned signal and determining a difference signal for a secondary component of the aligned signal. The difference signal is then converted to a rotation axis translation signal. The method further involves estimating a 3D position of the rotation axis. The estimated pose of the C-arm fluoroscope is then refined to compensate for the wigwag movement using the rotation axis translation signal and the estimated 3D position of the rotation axis.
-
公开(公告)号：US11896414B2
公开(公告)日：2024-02-13
申请号：US17845936
申请日：2022-06-21
申请人： Covidien LP
IPC分类号： G06K9/00 , A61B6/00 , A61B5/055 , A61B34/20 , A61B1/04 , A61B1/00 , G06T7/73 , A61B90/00 , A61B5/06 , G06T7/77 , G06T7/70 , A61B6/03
CPC分类号： A61B6/487 , A61B1/00158 , A61B1/043 , A61B5/055 , A61B5/064 , A61B34/20 , A61B90/36 , A61B90/39 , G06T7/70 , G06T7/73 , G06T7/75 , G06T7/77 , A61B1/0005 , A61B1/042 , A61B6/032 , A61B2034/2051 , A61B2034/2055 , A61B2090/364 , A61B2090/3983 , G06T2207/10016 , G06T2207/10068 , G06T2207/10081 , G06T2207/10088 , G06T2207/10121 , G06T2207/30021 , G06T2207/30208 , G06T2207/30244
摘要： A system and method for constructing fluoroscopic-based three-dimensional volumetric data of a target area within a patient from two-dimensional fluoroscopic images acquired via a fluoroscopic imaging device.
-
-
-
-
-
-
-
-
-
搜索结果
50 条记录 (耗时 0.025 秒)
