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公开(公告)号：US20180061067A1
公开(公告)日：2018-03-01
申请号：US15381510
申请日：2016-12-16
Applicant: General Electric Company
Inventor： Dejun Wang , Yanling Qu
CPC classification number: G06T7/35 , G06K9/6269 , G06K9/66 , G06T7/344 , G06T7/70 , G06T2207/10116 , G06T2207/20081 , G06T2207/30008
Abstract: This disclosure presents an image processing method and related X-ray imaging device The method comprises: calculating a relative displacement between two first images that are already in auto registration as a first displacement vector; calculating a difference between position information fed back by a position sensor on the X-ray imaging device when imaging exposure is performed on the two first images respectively as a second displacement vector; calculating a first error of the first displacement vector relative to the second displacement vector; calculating a registration level corresponding to the first error in accordance with a pre-stored training model which is a mathematical distribution model of second errors between a plurality of third displacement vectors and a plurality of corresponding fourth displacement vectors; and labeling the registration level on the two first images that are already in auto registration.
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Patent Agency Ranking
公开(公告)号：US10217201B2
公开(公告)日：2019-02-26
申请号：US15360569
申请日：2016-11-23
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Ming Yan , Kun Tao , Dejun Wang
Abstract: An image processing method comprises: identifying a weak edge comprising a plurality of weak edge pixels and a strong edge comprising a plurality of strong edge pixels in an input image; filtering at least a part of said input image to obtain a smoothed image, during which said weak edge in said input image is filtered with a first filter and said strong edge in said input image is filtered with a second filter having a smoothness less than that of said first filter; acquiring edge information of said input image based on said input image and said smoothed image; and generating an output image based on said edge information and said smoothed image. The present invention further relates to an image processing system and an imaging system.
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公开(公告)号：US20200237332A1
公开(公告)日：2020-07-30
申请号：US16256843
申请日：2019-01-24
Applicant: General Electric Company
Inventor： Dejun Wang , Srikrishnan V , Gireesha Rao , Katelyn Rose Nye , Nasir Ahmed Desai , Arun Kumar Chandrashekarappa , Huanzhong Li
Abstract: Various methods and systems are provided for x-ray imaging. In one embodiment, a method for an image pasting examination comprises acquiring, via an optical camera and/or depth camera, image data of a subject, controlling an x-ray source and an x-ray detector according to the image data to acquire a plurality of x-ray images of the subject, and stitching the plurality of x-ray images into a single x-ray image. In this way, optimal exposure techniques may be used for individual acquisitions in an image pasting examination such that the optimal dose is utilized, stitching quality is improved, and registration failures are avoided.
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公开(公告)号：US11751833B2
公开(公告)日：2023-09-12
申请号：US16982709
申请日：2019-03-22
Applicant: General Electric Company , Buer Qi , Dejun Wang , Wei Zhao , Huanzhong Li
Inventor： Buer Qi , Dejun Wang , Wei Zhao , Huanzhong Li
CPC classification number: A61B6/5205 , G06T7/0012 , G21K1/025
Abstract: A training method (10) and system for a collimator border detection method. The training method (10) comprises the following steps: obtaining an original image acquired by an X-ray imaging system and a processed image obtained after processing the original image (11); determining on the basis of the processed image whether the processed image is a valid image (12); and extracting coordinates of a collimator border of a valid processed image, putting into a training pool the extracted coordinates of the collimator border and the original image corresponding to the valid processed image, and when the number of valid original images in the training pool reaches a preset threshold value, starting the training of the collimator border detection method (13).
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公开(公告)号：US10089747B2
公开(公告)日：2018-10-02
申请号：US15381510
申请日：2016-12-16
Applicant: General Electric Company
Inventor： Dejun Wang , Yanling Qu
Abstract: This disclosure presents an image processing method and related X-ray imaging device The method comprises: calculating a relative displacement between two first images that are already in auto registration as a first displacement vector; calculating a difference between position information fed back by a position sensor on the X-ray imaging device when imaging exposure is performed on the two first images respectively as a second displacement vector; calculating a first error of the first displacement vector relative to the second displacement vector; calculating a registration level corresponding to the first error in accordance with a pre-stored training model which is a mathematical distribution model of second errors between a plurality of third displacement vectors and a plurality of corresponding fourth displacement vectors; and labeling the registration level on the two first images that are already in auto registration.
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公开(公告)号：US20170178303A1
公开(公告)日：2017-06-22
申请号：US15360569
申请日：2016-11-23
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Ming Yan , Kun Tao , Dejun Wang
CPC classification number: G06T5/20 , A61B6/00 , G06T5/002 , G06T5/50 , G06T7/0012 , G06T11/60 , G06T2207/10024 , G06T2207/10081 , G06T2207/10116 , G06T2207/20024 , G06T2207/20221 , G06T2207/20224
Abstract: An image processing method comprises: identifying a weak edge comprising a plurality of weak edge pixels and a strong edge comprising a plurality of strong edge pixels in an input image; filtering at least a part of said input image to obtain a smoothed image, during which said weak edge in said input image is filtered with a first filter and said strong edge in said input image is filtered with a second filter having a smoothness less than that of said first filter; acquiring edge information of said input image based on said input image and said smoothed image; and generating an output image based on said edge information and said smoothed image. The present invention further relates to an image processing system and an imaging system.
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