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公开(公告)号：US10939885B2
公开(公告)日：2021-03-09
申请号：US16469396
申请日：2017-12-14
Applicant: KONINKLIJKE PHILIPS N.V.
Inventor： Laurence Rouet , Raoul Florent
Abstract: The present invention relates to visualizing vascular structures. In order to provide further improved digital subtraction angiography, a device (10) for visualizing vascular structures is provided that comprises a data provision unit (12), a data processing module (14), and an output unit (16). The data provision unit is configured to provide a first sequence of non-contrast X-ray images of a region of interest of a patient for use as raw X-ray mask images. The data provision unit is also configured to provide a second sequence of contrast X-ray images of the region of interest of a patient for use as raw X-ray live-images. The processing unit is configured to perform a first spatial subtraction for the first sequence of non-contrast X-ray images resulting in a first sequence of spatial-subtracted mask images. The processing unit is also configured to perform a second spatial subtraction for the second sequence of contrast X-ray images resulting in a second sequence of spatial-subtracted X-ray live-images. The processing unit is further configured to perform a temporal subtraction by subtracting the spatial-subtracted mask images from the spatial-subtracted X-ray live-images resulting in a sequence of spatial-temporal subtracted X-ray live-images. The output unit is configured to output the sequence of spatial-temporal subtracted X-ray live-images.
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公开(公告)号：US11877893B2
公开(公告)日：2024-01-23
申请号：US16975766
申请日：2019-02-25
Applicant: KONINKLIJKE PHILIPS N.V.
Inventor： Laurence Rouet , Cecile Dufour , Robert Randall Entrekin , Gary Cheng-How Ng
CPC classification number: A61B8/466 , A61B8/06 , A61B8/085 , A61B8/0891 , A61B8/463 , A61B8/469 , A61B8/483 , A61B8/5207
Abstract: A method and processing system for providing a three-dimensional, 3D, ultrasound image along with an additional ultrasound acquisition. A location of the additional ultrasound acquisition with respect to the three-dimensional ultrasound image is determined or obtained. After obtaining the 3D ultrasound image and the additional ultrasound acquisition, initial display data is for display of only the 3D ultrasound image. In response to a user input, second display data is generated for displaying both the 3D ultrasound image and the additional ultrasound acquisition. The display of the additional ultrasound acquisition is based on the location of the additional ultrasound acquisition with respect to the three-dimensional ultrasound image.
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公开(公告)号：US20230360224A1
公开(公告)日：2023-11-09
申请号：US17923016
申请日：2021-04-28
Applicant: KONINKLIJKE PHILIPS N.V.
Inventor： Laurence Rouet , Haithem Boussaid , Caroline Denise Francoise Raynaud , Cybele Ciofolo-Veit
CPC classification number: G06T7/149 , G06T7/0012 , G06T2207/10136
Abstract: A method for segmenting a target anatomy in ultrasound data. Scan-converted ultrasound data is obtained within a scan-converted space in the Cartesian coordinate system. The scan-converted ultrasound data is transformed to de-scanned ultrasound data within a de-scanned space in the Toroidal coordinate system. The de-scanned ultrasound data is an estimate of the ultrasound data as obtained by an original acquisition procedure. A segmentation of a target anatomy can thus be performed on the ultrasound data in the de-scanned space The resulting segmentation data can then be re-scanned back to the Cartesian coordinate system for display with the ultrasound data.
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公开(公告)号：US20230021018A1
公开(公告)日：2023-01-19
申请号：US17785161
申请日：2020-12-08
Applicant: KONINKLIJKE PHILIPS N.V.
Inventor： Cybele Ciofolo-Veit , Laurence Rouet , Caroline Denise Francoise Raynaud , Thierry Lefevre
Abstract: The invention provides a method for performing an assessment of a placenta. The method includes obtaining a 3D ultrasound image of a uterus (210) and segmenting the placenta (220). A 3D rendering (200) of the uterus is then generated, wherein the generating includes: identifying a position of the placenta within the uterus with respect to an anatomical structure such as the cervix (250); obtaining anatomical reference data relating to a potential risk associated with the position of the placenta within the uterus; and comparing the position of the placenta and the anatomical reference data. A 3D rendering of the uterus is generated that comprises a 3D rendering of the placenta, marked with an indicator that is altered based on the comparison of the position of the placenta and the anatomical reference data. The appearance of the indicator may vary according to e.g. risk type/severity.
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公开(公告)号：US20210345987A1
公开(公告)日：2021-11-11
申请号：US17282899
申请日：2019-09-29
Applicant: KONINKLIJKE PHILIPS N.V.
Inventor： Cybèle Ciofolo-Veit , Thierry Lefevre , Caroline Denise Francoise Raynaud , Laurence Rouet
Abstract: The invention provides an ultrasound imaging method for determining complementary views of interest based on an anomalous feature identified in a region of interest of an ultrasound image. The method includes obtaining an ultrasound image of a region of interest of a subject and identifying an anomalous feature within said region. The identified anomalous feature may then be used to determine one or more available complementary ultrasound images of interest of the subject. The one or more available complementary ultrasound images may then be displayed to a user and the complementary ultrasound views to be reviewed may then be selected by the user from the displayed available complementary ultrasound images.
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Patent Agency Ranking
公开(公告)号：US20210298717A1
公开(公告)日：2021-09-30
申请号：US17259294
申请日：2019-07-01
Applicant: KONINKLIJKE PHILIPS N.V.
Inventor： Laurence Rouet , Caroline Denise Raynaud
Abstract: The invention provides a method for estimating the weight of a fetus. A plurality of different three dimensional ultrasound images of an imaging region are acquired, wherein the plurality of different three dimensional ultrasound images comprise: a head image; an abdominal image; and a femur image. Each of the plurality of different three dimensional ultrasound images undergoes segmentation and the fetal weight estimation is performed based on the resulting segmentations.
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公开(公告)号：US20200234435A1
公开(公告)日：2020-07-23
申请号：US16630919
申请日：2018-07-12
Applicant: KONINKLIJKE PHILIPS N.V.
Inventor： Caroline Denise Francoise Raynaud , Laurence Rouet , Cybèle Ciofolo-Veit , Thierry Lefevre , David Nigel Roundhill
Abstract: A computer implemented method is provided for processing a 3D fetal ultrasound image. A 3D fetal ultrasound image is obtained (either acquired or received from memory), and the spine is detected within the image. This enables a first reference axis to be defined. A second reference axis is defined perpendicular to the first reference axis, and the 3D fetal ultrasound image is updated (e.g. rotated in 3D space) using the first and second reference axes and an up/down (elevation) orientation detection. This provides a normalization of the orientation of the image, so that a machine learning approach is better able to identify landmarks within new images.
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公开(公告)号：US20250127484A1
公开(公告)日：2025-04-24
申请号：US18722122
申请日：2022-12-17
Applicant: KONINKLIJKE PHILIPS N.V.
Inventor： Laurence Rouet , Hernan Guillermo Morales Varela , Maria Nicole Antonuccio , Alexandre This
Abstract: A method and system are provided for determining hemodynamic biomarkers of aortic abdominal aneurysms. A geometry of the aorta is obtained and at least three ultrasound Doppler planes are obtained. One of the Doppler planes captures the aorta's main axis and the other two Doppler planes capture two different cross sections of the aorta. A three dimensional, 3D, velocity field within the aorta is then derived, as well as a 3D relative pressure field within the aorta, using the at least three ultrasound Doppler planes and the aorta geometry. A reference pressure measurement is obtained from the subject and a 3D absolute pressure field within the aorta can then be obtained based on the relative pressure field and the reference pressure measurement to function as a biomarker for aortic abdominal aneurysms.
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公开(公告)号：US12178650B2
公开(公告)日：2024-12-31
申请号：US17285379
申请日：2019-10-14
Applicant: KONINKLIJKE PHILIPS N.V.
Inventor： Laurence Rouet , Cybèle Ciofolo-Veit , Thierry Lefevre , Caroline Denise Francoise Raynaud , Cristian Lorenz , Tobias Klinder , Nicole Schadewaldt , Alexander Schmidt-Richberg
Abstract: The invention provides a method for guiding the acquisition of an ultrasound image. A 3D ultrasound image is acquired by an ultrasound probe at a first position and an anatomical structure is identified within the 3D ultrasound image. A target imaging plane is estimated based on the identified anatomical structure and it is determined whether the target imaging plane is present within the 3D ultrasound image. If the target imaging plane is present, a displacement between a central plane of the 3D ultrasound image and the target plane is determined. If the displacement is below a predetermined threshold, the target imaging plane is extracted and if the displacement is above the predetermined threshold, an instruction to acquire a 3D ultrasound image with the ultrasound probe at a second position, different from the first position, is generated based on the displacement. The invention further provides a method for estimating a target imaging plane. A central plane of a 3D ultrasound image is obtained, wherein the central plane contains at least part of an anatomical structure and abounding box is generated around the anatomical structure. The bounding box is divided into a grid having a plurality of grid points and, for each grid point; an offset is estimated between the central plane and the target imaging plane. Finally, coordinates of the target imaging plane are estimated based on the offset for each grid point of the bounding box.
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公开(公告)号：US20230401719A1
公开(公告)日：2023-12-14
申请号：US18035188
申请日：2021-11-03
Applicant: KONINKLIJKE PHILIPS N.V.
Inventor： Antoine Olivier , Caroline Denise Francoise Raynaud , Cybele Ciofolo-Veit , Laurence Rouet
CPC classification number: G06T7/11 , G06T7/0012 , G06T7/60 , G06T2207/10132 , G06T2207/30044 , G06T2207/30168
Abstract: A method of analyzing an ultrasound image involves assessing the quality of the image in terms of which features of interest have been identified in the image and assessing a segmentation quality relating to the quality of a segmentation of the image. The two quality assessments are combined to derive and output an overall quality assessment for biometry measurements obtained from the image.
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