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1.发明申请公开(公告)号：US20220383494A1
公开(公告)日：2022-12-01
申请号：US17883698
申请日：2022-08-09
Applicant: Canon Medical Systems Corporation
Inventor： Yiemeng HOI , Joseph Manak , Kazumasa Arakita , Jingwu Yao , James Begelman , Victor Gorin
Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires image data including image data of a blood vessel of a subject. The processing circuitry performs analysis related to the blood vessel by using the image data, and specifies a region of interest in the blood vessel based on a result of the analysis. The processing circuitry performs fluid analysis on a region other than the region of interest at a first accuracy, and performs fluid analysis on the region of interest at a second accuracy that is higher than the first accuracy.
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公开(公告)号：US20190139272A1
公开(公告)日：2019-05-09
申请号：US16179751
申请日：2018-11-02
Inventor： Xiaochuan Pan , Zheng Zhang , Dan Xia , Yu-Bing Chang , Jingwu Yao , Joseph Manak
Abstract: An apparatus and method are provided for computed tomography (CT) imaging to reduce artifacts due to objects outside the field of view (FOV) of a reconstructed image. The artifacts are suppressed by using an iterative reconstruction method to minimize a cost function that includes a de-emphasis operator. The de-emphasis operator operates in the data domain, and minimizes the contributions of data inconsistencies arising from attenuation due to objects outside the FOV. This can be achieved by penalizing images that manifest indicia of artifacts due to outside objects especially those outside objects have high-attenuation densities and minimizing components of the data inconsistency likely attributable to the outside object.
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Patent Agency Ranking
3.发明授权公开(公告)号：US11450001B2
公开(公告)日：2022-09-20
申请号：US16845402
申请日：2020-04-10
Applicant: CANON MEDICAL SYSTEMS CORPORATION
Inventor： Yiemeng Hoi , Joseph Manak , Kazumasa Arakita , Jingwu Yao , James Begelman , Victor Gorin
Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires image data including image data of a blood vessel of a subject. The processing circuitry performs analysis related to the blood vessel by using the image data, and specifies a region of interest in the blood vessel based on a result of the analysis. The processing circuitry performs fluid analysis on a region other than the region of interest at a first accuracy, and performs fluid analysis on the region of interest at a second accuracy that is higher than the first accuracy.
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公开(公告)号：US10789738B2
公开(公告)日：2020-09-29
申请号：US16179751
申请日：2018-11-02
Inventor： Xiaochuan Pan , Zheng Zhang , Dan Xia , Yu-Bing Chang , Jingwu Yao , Joseph Manak
Abstract: An apparatus and method are provided for computed tomography (CT) imaging to reduce artifacts due to objects outside the field of view (FOV) of a reconstructed image. The artifacts are suppressed by using an iterative reconstruction method to minimize a cost function that includes a de-emphasis operator. The de-emphasis operator operates in the data domain, and minimizes the contributions of data inconsistencies arising from attenuation due to objects outside the FOV. This can be achieved by penalizing images that manifest indicia of artifacts due to outside objects especially those outside objects have high-attenuation densities and minimizing components of the data inconsistency likely attributable to the outside object.
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5.发明授权公开(公告)号：US10650522B2
公开(公告)日：2020-05-12
申请号：US16411796
申请日：2019-05-14
Applicant: Canon Medical Systems Corporation
Inventor： Yiemeng Hoi , Joseph Manak , Kazumasa Arakita , Jingwu Yao , James Begelman , Victor Gorin
Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires image data including image data of a blood vessel of a subject. The processing circuitry performs analysis related to the blood vessel by using the image data, and specifies a region of interest in the blood vessel based on a result of the analysis. The processing circuitry performs fluid analysis on a region other than the region of interest at a first accuracy, and performs fluid analysis on the region of interest at a second accuracy that is higher than the first accuracy.
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6.发明申请公开(公告)号：US20190266729A1
公开(公告)日：2019-08-29
申请号：US16411796
申请日：2019-05-14
Applicant: Canon Medical Systems Corporation
Inventor： Yiemeng Hoi , Joseph Manak , Kazumasa Arakita , Jingwu Yao , James Begelman , Victor Gorin
Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires image data including image data of a blood vessel of a subject. The processing circuitry performs analysis related to the blood vessel by using the image data, and specifies a region of interest in the blood vessel based on a result of the analysis. The processing circuitry performs fluid analysis on a region other than the region of interest at a first accuracy, and performs fluid analysis on the region of interest at a second accuracy that is higher than the first accuracy.
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7.发明授权公开(公告)号：US12165326B2
公开(公告)日：2024-12-10
申请号：US17883698
申请日：2022-08-09
Applicant: Canon Medical Systems Corporation
Inventor： Yiemeng Hoi , Joseph Manak , Kazumasa Arakita , Jingwu Yao , James Begelman , Victor Gorin
Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires image data including image data of a blood vessel of a subject. The processing circuitry performs analysis related to the blood vessel by using the image data, and specifies a region of interest in the blood vessel based on a result of the analysis. The processing circuitry performs fluid analysis on a region other than the region of interest at a first accuracy, and performs fluid analysis on the region of interest at a second accuracy that is higher than the first accuracy.
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