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1. 发明公开

EP3278737A1 ULTRASONIC OBSERVATION APPARATUS, OPERATING METHOD OF ULTRASONIC OBSERVATION APPARATUS, AND OPERATING PROGRAM FOR ULTRASONIC OBSERVATION APPARATUS 审中-公开
标题翻译：超声波观测装置，超声波观测装置的操作方法以及超声波观测装置的操作程序
公开(公告)号：EP3278737A1
公开(公告)日：2018-02-07
申请号：EP15887766.2
申请日：2015-12-02
申请人： OLYMPUS CORPORATION
发明人： NAKATSUJI, Tomohiro
IPC分类号： A61B8/14 , A61B8/12
CPC分类号： A61B8/5269 , A61B8/12 , A61B8/14 , A61B8/461 , A61B8/5207
摘要： An ultrasound observation apparatus according to the present invention includes: a frequency analyzing unit that calculates a plurality of frequency spectra by analyzing a frequency of a signal generated based on an echo signal; a feature calculating unit that calculates feature of each of the plurality of frequency spectra, for each of three attenuation rate candidate values, calculates corrected features of the plurality of frequency spectra, and calculates a statistical dispersion of the corrected feature for each of the attenuation rate candidate values, then, generates a quadratic function based on the dispersion, and sets an attenuation rate candidate value for which the statistical dispersion in the quadratic function is minimum as an optimal attenuation rate; and a feature image data generating unit that generates feature image data displaying the corrected feature based on the optimal attenuation rate together with an ultrasound image.
摘要翻译：根据本发明的超声波观测设备包括：频率分析单元，其通过分析基于回波信号产生的信号的频率来计算多个频谱; 特征量计算单元，针对所述三个衰减率候选值中的每一个，计算所述多个频谱中的每个频谱的特征，计算所述多个频谱的校正特征，并且计算所述校正特征对于每个衰减率的统计分布候选值然后基于色散生成二次函数，并且将二次函数中的统计色散最小的衰减率候选值设置为最优衰减率; 以及特征图像数据生成单元，该特征图像数据生成单元与超声图像一起生成基于最优衰减率显示校正特征的特征图像数据。

2. 发明公开

EP3366220A1 ULTRASONIC OBSERVATION APPARATUS, OPERATION METHOD FOR ULTRASONIC OBSERVATION APPARATUS, AND OPERATION PROGRAM FOR ULTRASONIC OBSERVATION APPARATUS 审中-公开
公开(公告)号：EP3366220A1
公开(公告)日：2018-08-29
申请号：EP16857383.0
申请日：2016-10-14
申请人： Olympus Corporation
发明人： NAKATSUJI, Tomohiro
IPC分类号： A61B8/08
CPC分类号： A61B8/461 , A61B8/08 , A61B8/12 , A61B8/48 , A61B8/5207 , A61B8/5269 , G01S7/52033 , G01S7/52036 , G01S7/52042 , G01S7/52071 , G06F3/04845
摘要： An ultrasound observation apparatus according to the present invention includes: a feature calculation unit that calculates a plurality of features on the basis of an ultrasound signal; a feature image data generation unit that generates feature image data in which features of a display target to be displayed together with an ultrasound image are colorized with a predetermined display specification in association with visual information among the plurality of features calculated by the feature calculation unit; and a display specification setting unit that sets the display specification of the feature of the display target on the basis of other feature other than the feature of the display target.

3. 发明公开

EP3238631A1 ULTRASONIC OBSERVATION DEVICE, OPERATION METHOD FOR ULTRASONIC OBSERVATION DEVICE, AND OPERATION PROGRAM FOR ULTRASONIC OBSERVATION DEVICE 审中-公开
标题翻译：超声波观察装置，超声波观察装置的操作方法以及超声波观察装置的操作程序
公开(公告)号：EP3238631A1
公开(公告)日：2017-11-01
申请号：EP15872417.9
申请日：2015-10-07
申请人： OLYMPUS CORPORATION
发明人： NAKATSUJI, Tomohiro
IPC分类号： A61B8/08
CPC分类号： A61B8/5207 , A61B8/08 , A61B8/0891 , A61B8/12 , A61B8/4444 , A61B8/4483 , A61B8/5246 , A61B8/5269 , A61B8/5284 , A61B8/54 , G06T7/00
摘要： An ultrasound observation apparatus according to the present invention includes a frequency analysis unit for analyzing a frequency of an ultrasound signal thereby to calculate a plurality of frequency spectra depending on a reception depth and a reception direction of the ultrasound signal, a frequency band setting unit for setting a frequency band used for calculating a feature of each frequency spectrum calculated by the frequency analysis unit by use of parameters associated with a frequency spectrum in each of a plurality of candidate bands with mutually different bandwidths, a feature calculation unit for calculating a feature of each frequency spectrum based on the frequency band set by the frequency band setting unit, and a feature image data generation unit for generating feature image data displaying the information on the feature calculated by the feature calculation unit.
摘要翻译：根据本发明的超声波观测设备包括：频率分析单元，用于分析超声信号的频率，从而计算取决于超声信号的接收深度和接收方向的多个频谱;频带设置单元，用于特征计算单元，用于计算由频率分析单元计算的每个频谱的特征的频带，该频带通过使用与频带互不相同的多个候选频带中的每个频带中的频谱相关联的参数;特征计算单元，基于由频带设定单元设定的频带的各频谱;以及特征图像数据生成单元，用于生成特征图像数据，所述特征图像数据显示由特征计算单元计算的关于特征的信息。

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