采用选择性滤波增强光声层析测量对象的成像质量

2018/01/31   下载量： 1 次

方案摘要

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应用领域 医疗/卫生
检测样本 其他
检测项目
参考标准 暂无

采用Ekspla公司NT352-A20-AW型可调谐纳秒激光器作光源，研究了采用选择性滤波增强光声层析测量对象的成像质量的技术路线和实现方法。

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方案详情

Here we developed a real-time photoacoustic tomography (PAT) imaging acquisition device based on the linear
array transducer utilized on ultrasonic devices. Also, we produced a phantom including diverse contrast media and acquired
PAT imaging as the light source wavelength was changing to see if the contrast media reacted. Indocyanine green showed the
highest reaction around the 800-nm band, methylene blue demonstrated the same in the 750-nm band, and gold nanoparticle
showed the same in the 700-nm band. However, in the case of superparamagnetic iron oxide, we observed not reaction within
the wavelength bands used herein to obtain imaging. Moreover, we applied selective filtering to the acquired PAT imaging to
remove noise from around and reinforce the object’s area. Consequentially, we could see the object area in the imaging was
effectively detected and the image noise was removed.

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北京欧兰科技发展有限公司
金牌会员 丨 第17年
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