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公开(公告)号：KR101245536B1
公开(公告)日：2013-03-21
申请号：KR1020110109117
申请日：2011-10-25
Applicant: 한국전기연구원
Abstract: PURPOSE: A streak artifact suppressing method in a low density photography phase CT image reconfiguration is provided to obtain a clear CT image, by photographing and calculating a projection image of an object from various angles by using X-ray. CONSTITUTION: A sonogram is obtained from a CT image(S110). A high-strength area of reconfigured image is calculated by using a back projection FBP(Filtered Back Projection)(S130). A sinogram data of the high-strength area is calculated by the calculation(S140). A compound image is generated based on a compression sensing CS(Compressed Sensing)(S180). A final image is generated as the compound image is used as an initial guess of the CT image(S190). [Reference numerals] (S110) Obtaining a sinogram g^Acq; (S120) Reconfiguring an image using FBP(f^FBP) from the sinogram g^Acq; (S130) Calculating a high-strength area f^Bone from the f^FBP; (S140) Calculating sinogram data g^Bone by projecting the high-strength area f^Bone; (S150) Excluding component caused by the high-strength area by deducting the sinogram data g^Bone from the sinogram g^Acq; (S160) Obtaining the deducted sinogram g^Soft; (S170) Reconfiguring soft tissue image f^Soft through compressed sensing CS, f^Soft=CS_TV(g^Soft, λ:0.005, λ_s:=0.99,k:=40. flnit:=0; (S180) Generating a compound image f^Sum by adding the high-strength area f^Bone and the soft tissue image, f^Soft, f^Sum=f^Bone-f^Soft; (S190) Generating a final image f^Final through compressed sensing CS of the sinogram g^Acq using the compound image f^Sum as an initial estimation value of a CT image
Abstract translation: 目的：提供低密度摄影相CT图像重新配置中的条纹伪影抑制方法，通过使用X射线从各种角度拍摄和计算物体的投影图像，以获得清晰的CT图像。 构成：从CT图像获得声像图（S110）。 通过使用反投影FBP（过滤后投影）（S130）计算重构图像的高强度区域。 通过计算来计算高强度区域的正弦图数据（S140）。 基于压缩感测CS（压缩感知）生成复合图像（S180）。 当复合图像被用作CT图像的初始猜测时，产生最终图像（S190）。 [参考数字]（S110）获得正弦图g ^ Acq; （S120）使用FBI（f ^ FBP）从正弦图g ^ Acq重新配置图像; （S130）从f ^ FBP计算高强度区域f ^ Bone; （S140）计算正弦图数据g ^通过投影高强度区域的骨头f ^ Bone; （S150）通过从正弦图g ^ Acq中扣除正弦图数据g ^ Bone来排除由高强度区域引起的分量; （S160）获得扣除的正弦图g ^ Soft; （S170）通过压缩感测CS重新配置软组织图像f ^ Soft通过压缩感测CS，f ^ Soft = CS_TV（g ^ Soft，λ：0.005，λ_s= = 0.99，k：= 40，flnit：= 0;（S180） 图像f ^通过加上高强度区域f ^ Bone和软组织图像来求和，f ^ Soft，f ^ Sum = f ^ Bone-f ^ Soft;（S190）生成最终图像f ^通过压缩感测CS 的正弦图g ^ Acq，使用复合图像f ^ Sum作为CT图像的初始估计值
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公开(公告)号：KR101174404B1
公开(公告)日：2012-08-17
申请号：KR1020100045886
申请日：2010-05-17
Applicant: 한국전기연구원
Abstract: 본발명은열전도성및 전기전도성이뛰어난디지털얀(digital yarn)이내부에포함되도록스텐트를구성하여, 디지털얀이유도가열시스템에의해무선으로에너지를공급받아발열함으로써내강의병변부위에열을가하여신생조직및 내강조직을괴사시켜내강의협착을방지하여확장시킬수 있을뿐만아니라, 혈전을유도하여폐쇄를가능하게하는무선발열스텐트에관한것이다. 본발명의일면에따른무선발열스텐트는, 인체의내강의병변에맞닿아밀착되는, 원통형의그물망형태로직조된외부지지체및 상기외부지지체의내부에고정된내부발열체를포함하고, 상기내부발열체는외부의발진장치에서발생하는전자기파를받아발열할수 있다.
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Patent Agency Ranking
公开(公告)号：KR1020110126292A
公开(公告)日：2011-11-23
申请号：KR1020100045886
申请日：2010-05-17
Applicant: 한국전기연구원
CPC classification number: A61F2/07 , A61F2210/00 , A61F2250/0043 , A61F2250/0058 , A61F2310/00011 , H05B6/02
Abstract: PURPOSE: A wireless pyrogenic stent for extending and closing a blood vessel is provided to generate heat with an induction heating method by supplying energy to a digital yarn through a wireless electromagnetic wave. CONSTITUTION: A stent(21) includes an outer support(31) and an inner heating element(32). The outer support is woven with a cylindrical net and is closely adhered to the lesion of cavity of a human body. The diameter of the outer support is reduced by an external force. The inner heating element is fixed to the inside of the outer support and is formed with a digital yarn by coating the inner metal with bio compatibility materials.
Abstract translation: 目的：提供用于延伸和闭合血管的无线致热支架，以通过无线电磁波向数字纱线提供能量，通过感应加热方法产生热量。 构成：支架（21）包括外部支撑件（31）和内部加热元件（32）。 外部支撑件由圆柱形网织造，并且紧密地附着在人体的空腔损伤处。 通过外力减小外支撑件的直径。 内部加热元件固定在外部支撑件的内部，并通过用生物相容性材料涂覆内部金属而形成数字纱线。
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4.发明公开자동 초기화를 기반으로 흉곽 변형 정도의 평가 인덱스 계산을 자동화한 ＣＴ 영상 분석의 자동화 방법，장치 및 기록매체 失效CT图像自动分析方法，自动计算基于自动化初始化的壁面缺陷定量评估指标的装置和记录介质
公开(公告)号：KR1020110090213A
公开(公告)日：2011-08-10
申请号：KR1020100009870
申请日：2010-02-03
Applicant: 한국전기연구원
IPC: A61B6/03
CPC classification number: A61B6/032 , A61B6/52 , G06T7/136 , G06T2207/10081
Abstract: PURPOSE: An automation method of CT image analysis and recording medium and apparatus thereof are provided to automatically extract inside boundary of a chest by applying image processing method and by making automation of initialization process. CONSTITUTION: An array unit horizontally array chest CT image based on boundary information about a lung(S320). A storage unit stores the boundary information of each site including the lung based on the chest CT image(S330). An edge map generating unit creates an edge map based on the boundary information of each site obtaining from the chest CT image(S340). A GVF field generating unit creates a GVF field corresponding to the edge map. A analysis unit calculates one or more indexes about chest transformation degree by analyzing inside boundary of the chest based on a curve fitting method(S390).
Abstract translation: 目的：提供CT图像分析和记录介质及其装置的自动化方法，通过应用图像处理方法和自动化初始化过程自动提取胸部边界。 构成：基于肺周边信息的阵列单元水平排列胸部CT图像（S320）。 存储单元基于胸部CT图像存储包括肺的每个位置的边界信息（S330）。 边缘图生成单元基于从胸部CT图像获取的各个站点的边界信息，生成边缘图（S340）。 GVF场产生单元创建对应于边缘图的GVF场。 分析单元通过基于曲线拟合方法分析胸部的内部边界来计算关于胸部变形度的一个或多个指标（S390）。
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公开(公告)号：KR1020120015164A
公开(公告)日：2012-02-21
申请号：KR1020100077446
申请日：2010-08-11
Applicant: 한국전기연구원
IPC: H05B3/34
CPC classification number: H05B3/347 , H05B3/0071 , H05B3/14 , H05B3/145
Abstract: PURPOSE: A wireless pyrogenic textile using a digital yarn is provided to remove dust mites in clothes and bedclothes by receiving energy from an induction heating system in wireless and increasing temperature over the survival temperature of the dust mites. CONSTITUTION: A digital yarn receives electromagnetic waves from an external generator and generates heat. The generator maintains the temperature of the digital yarn by controlling current and voltage. The digital yarn is a closed loop. The digital yarn has a skin compatible material therein and also includes a chemical solution for the dust mites.
Abstract translation: 目的：提供使用数字纱线的无线热解纺织品，以无线方式接收来自感应加热系统的能量，并在尘螨的存活温度下升高温度，以除去衣服和床上的尘螨。 构成：数字纱线接收来自外部发电机的电磁波，产生热量。 发电机通过控制电流和电压来维持数字纱线的温度。 数字纱线是闭环的。 数字纱线具有与皮肤相容的材料，并且还包括用于尘螨的化学溶液。
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公开(公告)号：KR101245533B1
公开(公告)日：2013-03-21
申请号：KR1020100077446
申请日：2010-08-11
Applicant: 한국전기연구원
IPC: H05B3/34
Abstract: 본 발명은 옷이나 침구류 등에 서식하는 집 먼지 진드기 등의 작은 벌레들을 손쉽게 퇴치하기 위하여 벌레들의 생존 온도 이상으로 발열시킬 수 있는 열선으로서 디지털 얀(digital yarn)을 이용하여 옷이나 침구류 등의 섬유를 직조하되, 댁내에 설치되는 유도 가열 시스템으로부터 무선으로 에너지를 공급받아 발열할 수 있도록 디지털 얀을 이용하는 무선 발열 섬유에 관한 것이다.
본 발명의 일면에 따른 외부의 발진 장치로부터 무선으로 에너지를 받아 발열하는 무선 발열 섬유는, 내부의 금속을 집먼지 진드기 회피 물질이 첨가된 피부 적합성 재질로 피복한 디지털 얀이 경사와 위사로 이용되어 직조된 직물 구조를 포함하고, 상기 직물 구조를 구성하는 디지털 얀이 외부의 상기 발진 장치에서 발생된 전자기파를 받아 발열하도록 구성된 것을 특징으로 한다.-
7.发明授权자동 초기화를 기반으로 흉곽 변형 정도의 평가 인덱스 계산을 자동화한 ＣＴ 영상 분석의 자동화 방법，장치 및 기록매체 失效CT图像自动分析方法，仪器和可记录介质，用于自动计算基于自动化初始化的胸壁畸变定量评估指标
公开(公告)号：KR101097457B1
公开(公告)日：2011-12-23
申请号：KR1020100009870
申请日：2010-02-03
Applicant: 한국전기연구원
IPC: A61B6/03
Abstract: 본발명은다양한영상처리기법을적용하여영상분할을위한초기화과정을완전자동화하여, CT(Computed Tomography: 컴퓨터단층촬영) 영상으로부터흉곽의내부경계정보를자동으로추출하고이로부터오목가슴환자의흉곽의변형정도를평가하는인덱스들을자동으로계산하는 CT 영상분석의자동화방법, 장치및 기록매체에관한것이다. 본발명의일면에따른 CT 영상분석의자동화방법은, CT 영상분석수단을이용해흉부 CT 영상에기초하여대상환자의흉곽의변형정도를분석하기위한 CT 영상분석의자동화방법으로서, 상기흉부 CT 영상을수신하는단계, 상기흉부 CT 영상에서폐에대한경계정보에기초하여상기흉부 CT 영상을수평정렬하는단계, 상기수평정렬된상기흉부 CT 영상에기초하여상기폐를포함한각 부위(장기및 조직)의경계정보를저장하는단계, 상기흉부 CT영상으로부터획득된각 부위(장기및 조직)의경계정보에기초하여에지맵을생성하는단계, 상기에지맵에대응되는 GVF 필드를생성하는단계, 상기경계정보에기초하여좌측과우측의폐와뼈(흉골, 늑골, 척추)에대한경계사이를연결하는초기윤곽선을추출하여상기폐와뼈에대한경계에연결된초기윤곽선을설정하는단계, 상기 GVF 필드에따라상기폐에대한경계에연결된초기윤곽선이상기에지맵에따른내부흉곽경계까지근사적으로찾아가도록영상분할알고리즘인 ACM을사용하여흉곽내부경계를추출하는단계, 및 Curve Fitting Method를기반으로상기흉곽내부경계를분석하여흉곽변형정도에대한하나이상의인덱스를계산하는단계를포함한다.
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