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    • 23. 发明授权
    • 통신 및 전력 상황에 기반한 적응적 의료 영상 전송 장치 및 방법
    • 基于通信和功率情况的自适应医学图像传输设备和方法
    • KR101691025B1
    • 2016-12-29
    • KR1020150086791
    • 2015-06-18
    • 서강대학교산학협력단
    • 송태경이영남강지운
    • A61B8/00A61B8/08G06F19/00
    • 통신및 전력상황에기반한적응적의료영상전송장치및 방법에관한것으로, 영상송신장치가의료영상을전송하는방법은, 프로브(probe)를이용하여의료영상데이터를획득하고, 영상송신장치와영상수신장치간의통신상태또는전력상태중 적어도하나를평가하고, 평가결과에따라결정된복원파라미터에따라의료영상데이터로부터제 1 의료영상을복원하고, 복원된제 1 의료영상을인코딩하여압축데이터를생성하며, 생성된압축데이터를영상수신장치에전송함으로써영상수신장치로하여금압축데이터로부터후처리된제 2 의료영상을생성하도록유도한다.
    • 基于通信和电力情况的自适应医学图像传输设备和方法以及通过视频传输设备传输医学图像的方法技术领域本发明涉及基于通信和电力情况的自适应医学图像传输设备和方法, 评估设备之间的通信状态或功率状态中的至少一个,根据根据评估结果确定的恢复参数从医学图像数据恢复第一医学图像,对恢复的第一医学图像进行编码以生成压缩数据, 并且将生成的压缩数据发送到图像接收装置,从而引导图像接收装置从压缩数据生成后处理的第二医学图像。
    • 26. 发明公开
    • 광음향 영상 생성 방법 및 장치
    • 制作光电影像的装置及方法
    • KR1020150109667A
    • 2015-10-02
    • KR1020140032731
    • 2014-03-20
    • 서강대학교산학협력단
    • 장진호송태경유양모강지운
    • A61B8/00A61B8/14G06T7/60
    • 횡방향해상도가개선된광음향영상생성방법및 장치가제공된다. 광음향영상생성방법은제1 광인가부에서인가된광에대응하여대상체에서발생되는제1 광음향신호를수신하여제1 광음향영상을생성하는단계, 제2 광인가부에서인가된광에대응하여대상체에서발생되는제2 광음향신호를수신하여제2 광음향영상을생성하는단계및 상기제1 광음향영상및 제2 광음향영상간의상호상관도를계산하여상관도영상을생성하는단계를포함한다.
    • 公开了一种用于产生具有改进的横向分辨率的光声图像的方法和装置。 用于产生光声图像的方法包括以下步骤:通过响应于由第一光施加单元施加的光接收从物体产生的第一光声信号来产生第一光声图像; 通过响应于由第二光施加单元施加的光接收从物体产生的第二光声信号来产生第二光声图像; 以及通过计算所述第一光声图像和所述第二光声图像之间的相互关系来生成相关图像。
    • 28. 发明公开
    • 초음파 속도를 추정하는 방법, 이를 이용한 초음파 영상 촬영 방법 및 장치
    • 用于估计超声波速度的方法,使用其估计速度进行超声波成像的方法和装置
    • KR1020140014601A
    • 2014-02-06
    • KR1020120081022
    • 2012-07-25
    • 서강대학교산학협력단
    • 유양모진성민강지운장진호송태경
    • A61B8/14G01S15/58G01S15/89
    • Disclosed are a method for estimating the speed of ultrasonic waves, a method and an apparatus for photographing an ultrasonic image using the same. According to one embodiment, the method for estimating the speed of ultrasonic waves includes obtaining ultrasonic waves of a total medium by using reference speed, classifying each medium layer by distinguishing the boundary of the medium layers of the medium from the obtained image, selecting at least two regions of interest (ROI) from different medium layers which are adjacent to each other among the classified medium layers, and obtaining the different speed of the ultrasonic waves in each medium layer by using the wave and depth of the ultrasonic waves in a selected ROI. [Reference numerals] (310) Obtain an ultrasonic image relative to total medium by using one reference speed; (320) Classify each medium layer by distinguishing the boundary of the medium layers of the medium from the obtained image; (330) Select at least two regions of interest(ROI) from different medium layers which are adjacent to each other among the classified medium layers, and obtain the different speed of the ultrasonic waves in each medium layer by using the wave and depth of the ultrasonic waves in a selected ROI; (340) Emit the ultrasonic waves corresponding to each medium layer by using the obtained different ultrasonic waves speed and obtain the ultrasonic image by accessing the beam reflected from the medium; (AA) Start; (BB) End
    • 公开了一种用于估计超声波速度的方法,使用其的超声波图像拍摄方法和装置。 根据一个实施例,用于估计超声波速度的方法包括通过使用参考速度获得总介质的超声波,通过将所述介质的介质层的边界与所获得的图像区分开来对每个介质层进行分类,至少选择 在分类的介质层中彼此相邻的来自不同介质层的两个感兴趣区域(ROI),并且通过使用所选择的ROI中的超声波的波和深度来获得每个介质层中的超声波的不同速度 。 (附图标记)(310)通过使用一个基准速度获得相对于总介质的超声波图像; (320)通过将介质的介质层的边界与所获得的图像区分开来对每个介质层进行分类; (330)从分类介质层中彼此相邻的不同介质层选择至少两个感兴趣区域(ROI),并通过使用波形和深度来获得每个介质层中超声波的速度不同 所选ROI中的超声波; (340)通过使用所获得的不同超声波速度发射对应于每个介质层的超声波,并通过访问从介质反射的光束获得超声波图像; (AA)开始; (BB)结束
    • 30. 发明授权
    • 측방향 공간 주파수 특성 기반 최적 초음파 속도 추정 장치 및 방법
    • 基于横向空间频率分析的声速校正方法和装置
    • KR101298936B1
    • 2013-08-23
    • KR1020120028857
    • 2012-03-21
    • 서강대학교산학협력단
    • 장진호강지운유양모송태경배수아
    • A61B8/00G01S15/58G01S15/89G01S1/72
    • PURPOSE: A device and a method of estimating a lateral spatial frequency characteristics based optimal ultrasound speed provide an image with improved spatial resolution, contrast, and a low noise level by estimating the optimal ultrasound speed to be used for image restoration. CONSTITUTION: An ultrasound speed estimating device includes an envelope detection part (200) detecting an envelope from in-phase components and quadrature components of beam focusing in a specific ultrasound speed; a kernel part (210) outputting the size of a lateral spatial frequency added along an axis direction of an image from the envelope by lateral frequency; and a focusing calculation part (220) calculating the focusing corresponding to the specific ultrasound speed by adding the lateral frequency outputted from the kernel part. The ultrasound speed estimating device estimates an ultrasound speed corresponding to the largest focusing as an optimal ultrasound speed after calculating the focusing of multiple ultrasound speeds selected in a predetermined ultrasound speed section. [Reference numerals] (200) Envelope detection part; (210) Kernel part; (213) Normalization part; (220) Focusing calculation part; (230) Interpolation part; (240) Smoothing part; (250) Speed estimation part; (AA) Beam-focused I/Q data
    • 目的:基于最佳超声速度估计横向空间频率特性的装置和方法通过估计用于图像恢复的最佳超声速度来提供具有改善的空间分辨率,对比度和低噪声水平的图像。 构成:超声波速度估计装置包括:包络检测部(200),以特定的超声速度检测来自同步成分和束聚焦的正交成分的包络线; 核心部分(210),其通过横向频率从所述包络输出沿着图像的轴线方向附加的横向空间频率的大小; 以及聚焦计算部(220),通过将从核部分输出的横向频率相加来计算与特定超声速度对应的聚焦。 超声波速度估计装置在计算了在预定超声速度部分中选择的多个超声速度的聚焦之后,将与最大聚焦对应的超声波速度估计为最佳超声速度。 (附图标记)(200)包络检测部; (210)内核部分; (213)规范化部分; (220)聚焦计算部分; (230)插补部分; (240)平滑部分; (250)速度估计部; (AA)光束I / Q数据