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    • 3. 发明申请
    • Transmission imager
    • 传输成像仪
    • US20070189450A1
    • 2007-08-16
    • US10565745
    • 2003-07-22
    • Keisuke NakaiShigeru SasakuraMasayuki Suzuki
    • Keisuke NakaiShigeru SasakuraMasayuki Suzuki
    • G01N23/06G01F1/66
    • G01N23/04
    • It is an object of the present invention to provide a transmission imager which can produce a transmission image from two or more different view points with the use of a simpler arrangement. The transmission imager according to the present invention is provided having a radiation source 2 for radiating radioactive rays from its target 2a, a radiation detector, and a specimen table provided between the target 2 and the radiation detector for having a specimen to be examined placed thereon, wherein the radiation detector is arranged with its detecting surface at the center P extending substantially at a right angle to a reference axis L1 or L2 which extends from the center P to the target 2a. In particular, the transmission imager is characterized in that the radiation detector is a combination of two, first and second, radiation detectors 3 and 4. The first radiation detector 3 is arranged to be moved to and from the target 2a by the action of a driving mechanism and thus positioned further from the target 2a than the second radiation detector 4. The radiation source 2 is specifically arranged in relation to the two, first and second, radiation detectors 3 and 4 so that its target 2a comes at an angle to face a cathode 2b which is disposed closer to the second radiation detector 4.
    • 本发明的目的是提供一种透射成像器,其可以使用更简单的布置从两个或更多个不同的视点产生透射图像。 根据本发明的透射成像器设置有具有辐射源2的辐射源2,用于从其靶2a辐射放射线,辐射检测器和设置在靶2与放射线检测器之间的样本台,用于具有要被检查的样本 其中,辐射检测器被布置成其检测表面在中心P处基本上以与从中心P延伸到目标2a的参考轴线L 1或L 2成直角延伸。 特别地,透射成像仪的特征在于,辐射检测器是两个,第一和第二辐射检测器3和4的组合。 第一辐射检测器3布置成通过驱动机构的作用移动到目标2a和从目标2a移动,并且因此比第二辐射检测器4更远离目标物体2a定位。 辐射源2相对于两个第一和第二辐射检测器3和4被特别布置,使得其目标2a与一个靠近第二辐射探测器4的阴极2b面对。
    • 5. 发明授权
    • Transmission imager
    • 传输成像仪
    • US07397894B2
    • 2008-07-08
    • US10565745
    • 2003-07-22
    • Keisuke NakaiShigeru SasakuraMasayuki Suzuki
    • Keisuke NakaiShigeru SasakuraMasayuki Suzuki
    • H05G1/65G01B1/02
    • G01N23/04
    • It is an object of the present invention to provide a transmission imager which can produce a transmission image from two or more different view points with the use of a simpler arrangement.The transmission imager according to the present invention is provided having a radiation source 2 for radiating radioactive rays from its target 2a, a radiation detector, and a specimen table provided between the target 2 and the radiation detector for having a specimen to be examined placed thereon, wherein the radiation detector is arranged with its detecting surface at the center P extending substantially at a right angle to a reference axis L1 or L2 which extends from the center P to the target 2a. In particular, the transmission imager is characterized in that the radiation detector is a combination of two, first and second, radiation detectors 3 and 4. The first radiation detector 3 is arranged to be moved to and from the target 2a by the action of a driving mechanism and thus positioned further from the target 2a than the second radiation detector 4. The radiation source 2 is specifically arranged in relation to the two, first and second, radiation detectors 3 and 4 so that its target 2a comes at an angle to face a cathode 2b which is disposed closer to the second radiation detector 4.
    • 本发明的目的是提供一种透射成像器,其可以使用更简单的布置从两个或更多个不同的视点产生透射图像。 根据本发明的透射成像器设置有具有辐射源2的辐射源2,用于从其靶2a辐射放射线,辐射检测器和设置在靶2与放射线检测器之间的样本台,用于具有要被检查的样本 其中,辐射检测器被布置成其检测表面在中心P处基本上以与从中心P延伸到目标2a的参考轴线L 1或L 2成直角延伸。 特别地,透射成像仪的特征在于,辐射检测器是两个,第一和第二辐射检测器3和4的组合。 第一辐射检测器3布置成通过驱动机构的作用移动到目标2a和从目标2a移动,并且因此比第二辐射检测器4更远离目标物体2a定位。 辐射源2相对于两个第一和第二辐射检测器3和4被特别布置,使得其目标2a与一个靠近第二辐射探测器4的阴极2b面对。
    • 7. 发明申请
    • Image processing method and image processor
    • 图像处理方法和图像处理器
    • US20050117037A1
    • 2005-06-02
    • US10497729
    • 2002-12-02
    • Keisuke NakaiShigeru SasakuraMasayuki Suzuki
    • Keisuke NakaiShigeru SasakuraMasayuki Suzuki
    • G06T5/00G06T5/20H04N1/401H04N1/409H04N9/64
    • G06T5/20G06T5/005G06T2207/10116G06T2207/30004H04N1/401
    • An image processing method and device for quick supplement. Defective pixels (Da, Db) are detected by the difference between the imaging light in irradiation and that in nonirradiation in advance. The sound pixels surrounding the defective pixels (Da, Db) are related to the defective pixels (Da, Db) and stored in a supplement list as supplement pixels (R1 to R8, R1 to R16). An average pixel density of information on the supplement pixels (R1 to R8, R1 to R16) is determined referring to the supplement list when an image is displayed, and the average pixel density is indicated as the values of the defective pixels (Da, Db) corresponding to the supplement pixels (R1 to R8, R1 to R 16). If the difference between the imaging light in irradiation and that in nonirradiation is below a predetermined threshold, the pixels (Da, Db) are judged to be defective.
    • 一种快速补充的图像处理方法和装置。 有害像素(Da,Db)由照射中的成像光和预激光之间的差异来检测。 围绕不良像素(Da,Db)的声像素与缺陷像素(Da,Db)相关,并作为补充像素(R 1至R 8,R 1至R 16)存储在补充列表中。 当显示图像时,参考补充列表来确定补充像素(R 1至R 8,R 1至R 16)上的信息的平均像素密度,并且将平均像素密度指示为缺陷像素的值 (R 1〜R 8,R 1〜R 16)对应的(Da,Db)。 如果照射中的成像光和非照射中的成像光之间的差低于预定阈值,则判断像素(Da,Db)有缺陷。