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    • 10. 发明申请
    • IMAGE DIAGNOSTIC DEVICE AND IMAGE ASSESSMENT METHOD
    • 图像诊断装置和图像评估方法
    • US20140219539A1
    • 2014-08-07
    • US14342087
    • 2012-06-26
    • Hideki Yoshikawa
    • Hideki Yoshikawa
    • G06T7/00
    • G06T7/0012A61B5/055A61B5/489A61B6/481A61B6/504A61B8/06A61B8/481G01R33/5601G01R33/5635G06K2009/00932G06K2209/05G06T7/0016G06T2207/10016G06T2207/10081G06T2207/10088G06T2207/10132G06T2207/30104
    • Provided is an image diagnostic device with which the start and end of the in-flow of a contrast medium are automatically assessed. An image diagnostic device assesses the start and end times of the in-flow of a contrast medium into organs in a lifeform which is a subject. The image diagnostic device comprises: an input unit (11) which receives an input of a signal from a contrast medium which is acquired from such as an image acquisition unit (22); a luminosity evaluation unit (13) which creates a luminosity curve that denotes a change over time in signal strength; a function evaluation unit (14) which approximates the luminosity curve with an S-shaped function and creates a model function; an assessment unit (12), further comprising a circulation evaluation unit (15) which uses a tangent line at an inflection point of the model function and assesses the start and end of the in-flow of the contrast medium; and a display unit (19) which displays the result which is evaluated with the assessment unit (12). The present invention allows automatically assessing the start and end times of the in-flow of the contrast medium.
    • 提供了一种图像诊断装置,其中自动评估造影剂的流入的开始和结束。 图像诊断装置评估作为受试者的生命方式中造影剂进入器官的流入的开始和结束时间。 图像诊断装置包括:输入单元(11),其从诸如图像获取单元(22)等获取的造影剂接收信号的输入; 光度评估单元(13),其产生指示信号强度随时间变化的亮度曲线; 函数评估单元(14),其用S形函数近似亮度曲线并产生模型函数; 评估单元(12),还包括循环评估单元(15),其在所述模型函数的拐点处使用切线,并且评估所述造影剂的流入的开始和结束; 以及显示单元(19),其显示由评估单元(12)评估的结果。 本发明允许自动评估造影剂的流入的开始和结束时间。