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11.发明授权公开(公告)号：US12014497B2
公开(公告)日：2024-06-18
申请号：US17596907
申请日：2019-10-04
发明人： Inki Hong , Ziad Burbar , Paul Schleyer
CPC分类号： G06T7/0012 , G06T7/38 , G06T2200/04 , G06T2200/24 , G06T2207/10081 , G06T2207/10088 , G06T2207/10104 , G06T2207/10108 , G06T2207/10116 , G06T2207/10132
摘要： Disclosed herein are novel techniques that address blurriness in medical images resulting from motion of a rigid body, such as a patient, relative to the medical scanning equipment by using a motion-correction algorithm for 3D medical images using to two-dimensional projections.
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公开(公告)号：US12014491B2
公开(公告)日：2024-06-18
申请号：US17271651
申请日：2019-08-28
申请人： TECHNION RESEARCH & DEVELOPMENT FOUNDATION LIMITED , NEW YORK SOCIETY FOR THE RELIEF OF THE RUPTURED AND CRIPPLED, MAINTAINING THE HOSPITAL FOR SPECIAL SURGERY
CPC分类号： G06T7/0012 , A61B6/4411 , A61B6/527 , G06T7/246 , G06T7/38 , G06T11/006 , G06T2207/10028 , G06T2207/10084 , G06T2207/20201 , G06T2207/30012 , G06T2211/408
摘要： A method comprising: receiving a radiographic image dataset representing a sequential radiographic scan of a region of a human subject; receiving three-dimensional (3D) image data representing an optical scan of a surface of said region, wherein said 3D image data is performed simultaneously with said sequential radiographic scan; estimating a time-dependent motion of said subject during said acquisition, relative to a specified position, based, at least in part, on said 3D image data; and using said estimating to determine corrections for said radiographic image dataset, based, at least in part, on a known transformation between corresponding coordinate systems of said radiographic image dataset and said 3D image data.
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13.发明授权公开(公告)号：US11995834B2
公开(公告)日：2024-05-28
申请号：US18165510
申请日：2023-02-07
CPC分类号： G06T7/0016 , G06T7/13 , G06T7/181 , G06T7/38 , G06T2207/10016 , G06T2207/10116 , G06T2207/20076 , G06T2207/20081 , G06T2207/20084 , G06T2207/20212 , G06T2207/30101
摘要： One or more example embodiments of the present invention relates to a method for the automated determination of examination results in an image sequence from multiple chronologically consecutive frames, the method comprising determining diagnostic candidates in the form of contiguous image regions in the individual frames for a predefined diagnostic finding; and for a number of the diagnostic candidates, determining which candidate image regions in other frames correspond to the particular diagnostic candidate, determining whether the candidate image regions of the particular diagnostic candidate in the other frames overlap with other diagnostic candidates, generating a graph containing the determined diagnostic candidates of the frames as nodes and the determined overlaps as edges, and generating communities from nodes connected via edges.
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公开(公告)号：US11972618B2
公开(公告)日：2024-04-30
申请号：US17246409
申请日：2021-04-30
申请人： Mashgin Inc.
发明人： Abhinai Srivastava , Mukul Dhankhar
IPC分类号： G06V20/64 , G06N3/04 , G06T7/00 , G06T7/38 , G06T7/557 , G06T7/593 , G06T7/62 , G06V10/145 , G06V10/764 , G06V10/80 , G06V10/82
CPC分类号： G06V20/64 , G06N3/04 , G06T7/38 , G06T7/557 , G06T7/593 , G06T7/62 , G06T7/97 , G06V10/145 , G06V10/764 , G06V10/809 , G06V10/82
摘要： The method for item recognition can include: optionally calibrating a sampling system, determining visual data using the sampling system, determining a point cloud, determining region masks based on the point cloud, generating a surface reconstruction for each item, generating image segments for each item based on the surface reconstruction, and determining a class identifier for each item using the respective image segments.
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公开(公告)号：US11948372B2
公开(公告)日：2024-04-02
申请号：US18038839
申请日：2020-11-27
发明人： Hyeongsung Cho , Hiroshi Satoh
IPC分类号： G06V20/56 , G06T3/40 , G06T3/4053 , G06T7/215 , G06T7/38 , G06V10/24 , G06V10/25 , G06V20/58
CPC分类号： G06V20/588 , G06T3/4053 , G06T7/215 , G06T7/38 , G06V10/24 , G06V10/25 , G06V20/582 , G06V20/584
摘要： A vehicle assist device includes a camera that captures the surroundings of a host vehicle at different times, and a controller that processes the plurality of images captured at different times by the camera. The controller extracts a stationary object region, which is a region corresponding to a stationary object, from each of a plurality of images captured at different times, aligns the plurality of images based on the movement amount of the stationary object in the image in the stationary object region, performs super-resolution processing using the plurality of aligned images to generate a super-resolution image that exceeds the resolution of the image captured by the camera, and recognizes a road structure based on the super-resolution image.
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公开(公告)号：US20240085448A1
公开(公告)日：2024-03-14
申请号：US18263583
申请日：2022-03-22
发明人： Xiaolin ZHANG , Lei WANG , Dongdong YANG , Hong LIANG , Jiamao LI
CPC分类号： G01P3/68 , G06T7/248 , G06T7/292 , G06T7/337 , G06T7/38 , G06T2207/10016 , G06T2207/10048
摘要： The present invention provides a speed measurement method and apparatus using a plurality of cameras. The speed measurement method includes: S1: calibrating positions of the respective cameras in a camera group, which are on a mobile platform at fixed relative positions; S2: obtaining a sequence of synchronized images from the respective cameras in the camera group, and recording time stamps thereof; and S3: performing a registration on the images captured by the respective cameras in the camera group and, if a registration result of two of the images is greater than a first threshold, calculating a position transformation matrix for the two images, and then calculating a position transformation matrix for the mobile platform based on the positional relationships between the cameras that captured the two images, and finally calculating a speed information of the mobile platform based on the position transformation matrix and an interval between times when the two images were captured. Calculating a speed of the mobile platform through registration of images captured by different cameras can overcome the problem with single camera-based speed measurement that the distance between locations where successive images are captured conflict with a degree of coincidence of the images and enables the obtainment of high-accuracy moving speed information.
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公开(公告)号：US11883222B2
公开(公告)日：2024-01-30
申请号：US17426624
申请日：2020-01-29
CPC分类号： A61B6/507 , A61B6/027 , A61B6/032 , A61B6/504 , A61B6/5205 , G06T7/38 , G06T11/003 , G06T11/008 , G06T2207/10081 , G06T2207/20081 , G06T2207/30016 , G06T2207/30104
摘要： Various methods and systems are described for obtaining at least one CTA perfusion functional map from Time Resolved Helical CTA (TRH-CTA) image data. At least one processor may be configured to preprocess the TRH-CTA helical image data to generate preprocessed TRH-CTA helical image data; generate time density curve data for a plurality of voxels from the preprocessed TRH-CTA helical image data for an axial imaging slice, where the time density curve data comprise intensity values for different phases of the preprocessed TRH-CTA helical image data arranged sequentially in time; generate at least one perfusion functional map for the axial imaging slice by at least one of: (1) applying at least one mapping function to different phases of the time density curve data corresponding to the axial imaging slice; (2) applying a deconvolution method to the time density curve data; and (3) applying a non-deconvolution method to the time density curve data; and perform spatial filtering on the perfusion functional map. A display may be used to display at least one filtered perfusion functional map.
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公开(公告)号：US11880973B2
公开(公告)日：2024-01-23
申请号：US17673711
申请日：2022-02-16
IPC分类号： G06T7/11 , G06T7/00 , A61C7/08 , A61C7/00 , G06T7/38 , G06T7/32 , G06T17/20 , G06T5/00 , G06T7/136 , B33Y80/00
CPC分类号： G06T7/0012 , A61C7/002 , A61C7/08 , G06T5/002 , G06T7/11 , G06T7/136 , G06T7/32 , G06T7/38 , G06T17/205 , B33Y80/00 , G06T2207/20081 , G06T2207/20084 , G06T2207/20182 , G06T2207/30036
摘要： Multiple techniques for detecting defects in customized dental appliances are disclosed. In one technique, processing logic obtains one or more images of a customized dental appliance, obtains a digital model associated with the customized dental appliance, and identifies an area of the one or more images that comprises a representation of the customized dental appliance. Processing logic then registers the one or more images to the digital model, compares the area of the one or more images of the customized dental appliance with the digital model of the customized dental appliance, determines a difference between the area of the one or more images that comprises the representation of the customized dental appliance and the digital model of the customized dental appliance at a region, and determines whether the difference satisfies a defect criterion.
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公开(公告)号：US20240020989A1
公开(公告)日：2024-01-18
申请号：US18038839
申请日：2020-11-27
发明人： Hyeongsung CHO , Hiroshi SATOH
CPC分类号： G06V20/588 , G06V10/24 , G06T7/38 , G06T7/215 , G06V10/25 , G06V20/582 , G06V20/584 , B60W30/12 , G05D1/021
摘要： A vehicle assist device includes a camera that captures the surroundings of a host vehicle at different times, and a controller that processes the plurality of images captured at different times by the camera. The controller extracts a stationary object region, which is a region corresponding to a stationary object, from each of a plurality of images captured at different times, aligns the plurality of images based on the movement amount of the stationary object in the image in the stationary object region, performs super-resolution processing using the plurality of aligned images to generate a super-resolution image that exceeds the resolution of the image captured by the camera, and recognizes a road structure based on the super-resolution image.
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公开(公告)号：US11836920B2
公开(公告)日：2023-12-05
申请号：US17206059
申请日：2021-03-18
发明人： Christoph Hauger , Stefan Saur , Gerald Panitz
CPC分类号： G06T7/0014 , A61N1/3606 , G06T7/38 , G16H30/40 , G06T2207/10 , G06T2207/20081 , G06T2207/30016 , G06T2207/30104
摘要： An apparatus for classifying a brain tissue area as functional or non-functional by a stimulation of the brain includes a receiver unit for receiving information about a performed stimulation, a recording device for recording images that represent the brain tissue area, a detection unit for detecting a change in perfusion in the brain tissue area, and a classification unit configured to determine with the information whether there is a correlation between the performed stimulation and the detected change in perfusion, and to classify the brain tissue area as functional or as non-functional. The recording device is an endomicroscope for recording endomicroscopic images of the brain tissue area with a spatial resolution better than 20 μm and a frame rate of at least 0.4 frames per second. The detection unit is configured to detect a change in perfusion based on the positions of certain tissue structures in the recorded images.
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