Reduction of moving artifacts caused by breathing in rats for in vivo micro-CT

减少体内显微 CT 大鼠呼吸引起的移动伪影

• 批准号: 22592199
• 负责人: ARAI Yoshinori
• 金额: $ 2.91万
• 依托单位: Nihon University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2010
• 资助国家: 日本
• 起止时间: 2010 至 2012
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22592199/
• 关键词: マイクロ CT; 実験動物; 骨; 歯; 同期; マイクロCT; 再生; 動物実験

This study developed software for the reduction of moving artifacts due to breathing in rats by means of teeth tracking when CT images were taken using in vivo micro-computed tomography (CT).Raw projection data from the CT of teeth in rats were chosen retrospectively, which were then correlated with moving artifacts due to breathing. An m-mode image was reconstructed from the projection data, which was used to calculate motion as a function of position. The projection data were corrected and CT images were reconstructed using the corrected projection data.The artifacts were reduced using this software.

本研究开发了一种用于减少大鼠呼吸运动伪影的软件，通过在体微型计算机断层扫描（CT）获取CT图像时的牙齿跟踪，回顾性地选择大鼠牙齿CT原始投影数据，然后将其与呼吸运动伪影相关联。从投影数据重建m模式图像，其用于计算作为位置的函数的运动。对投影数据进行校正，用校正后的投影数据重建CT图像，减少伪影。

项目成果

実験動物用マイクロCT のおけるmoving artifact の補正

实验动物显微 CT 中移动伪影的校正

• 作者: Tatsuhiro Hidaka;Toshiyuki Nagasawa;Takashi Kado;Kaname Shirai;Yasushi Furuichi;新井嘉 則;新井嘉則;Yoshinori Arai;Yoshinori ARAI;新井嘉則;新井嘉則;新井嘉則;新井 嘉則
• 通讯作者: 新井 嘉則

CBCTによる診断と治療の最先端

使用CBCT的尖端诊断和治疗

• 发表时间: 2011
• 作者: Tatsuhiro Hidaka;Toshiyuki Nagasawa;Takashi Kado;Kaname Shirai;Yasushi Furuichi;新井嘉 則;新井嘉則
• 通讯作者: 新井嘉則

Limited Cone Beam Computed Tomography ?High resolution, Low radiation dose and diagnosis for dentistry-

有限锥形束计算机断层扫描？高分辨率、低辐射剂量和牙科诊断-

• 发表时间: 2010
• 作者: Tatsuhiro Hidaka;Toshiyuki Nagasawa;Takashi Kado;Kaname Shirai;Yasushi Furuichi;新井嘉 則;新井嘉則;Yoshinori Arai
• 通讯作者: Yoshinori Arai

歯科用コーンビームCTの主観的画質評価用基準画像の制作

牙科锥束CT主观图像质量评价参考图像的制作

• 发表时间: 2010
• 作者: Tatsuhiro Hidaka;Toshiyuki Nagasawa;Takashi Kado;Kaname Shirai;Yasushi Furuichi;新井嘉 則;新井嘉則;Yoshinori Arai;Yoshinori ARAI;新井嘉則
• 通讯作者: 新井嘉則

実験動物用マイクロ CT のおける moving artifact の補正 Correction of moving artifact on in vivo micro CT

体内显微CT移动伪影的校正

• 发表时间: 2012
• 作者: Tatsuhiro Hidaka;Toshiyuki Nagasawa;Takashi Kado;Kaname Shirai;Yasushi Furuichi;新井嘉 則
• 通讯作者: 新井嘉 則