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    • 4. 发明授权
    • Radiation image pickup method and apparatus
    • 辐射摄像方法及装置
    • US5307396A
    • 1994-04-26
    • US982781
    • 1992-11-30
    • Hisanori Tsuchino
    • Hisanori Tsuchino
    • A61B6/00G21K1/02G21K5/04G21K5/10
    • A61B6/00G21K1/02G21K5/04
    • In picking up a radiation image, and image is first picked up without adjusting the radiation dose of a radiation beam that scans an irradiation target to thereby acquire information of the dose of radiation transmitted through the irradiation target at the same time the image is picked up. Based on the information of the transmitted dose of radiation, the radiation dose to be controlled is determined, and image pickup is executed again to be superimposed on the initial pickup while controlling the radiation dose according to the determined control dose, whereby the radiation image data is obtained. Further, the image of the case where the radiation dose is not controlled is restored in signal processing of the obtained radiation image data and the data of the radiation control quantity.
    • 在拾取放射线图像时,首先拾取图像而不调整扫描照射目标的辐射束的辐射剂量,从而获取在拍摄图像的同时传输的辐射剂量的信息 。 基于所发射的辐射剂量的信息,确定要控制的辐射剂量,并且根据确定的控制剂量控制辐射剂量,再次执行图像拾取以叠加在初始拾取上,由此辐射图像数据 获得。 此外,在获得的放射线图像数据的信号处理和放射线控制量的数据的信号处理中恢复未控制辐射剂量的情况的图像。
    • 5. 发明授权
    • Radiographical image reading apparatus
    • 放射影像读取装置
    • US5260573A
    • 1993-11-09
    • US012625
    • 1993-03-04
    • Hisanori Tsuchino
    • Hisanori Tsuchino
    • G01T1/29G01N23/04
    • G01T1/2014
    • A radiographical image reader for photoelectrically reading a radiographical image of an object. The image reader comprises a radioactive ray irradiator; a radiographical image converting panel which is a radioactive ray absorbent for absorbing the radioactive ray passed through the object so that a radiographical image information is obtained; a scanner to scan the converting panel with exciting light so that the converting panel is subjected to stimulated emission; a reader to read the stimulated emission of the converting panel so that the radiographical image is obtained; a memory to store at least one of radioactive ray uneven generation information of the irradiator and sensitivity unevenness information of the converting panel; and a processor to compensate the radiographical image information according to at least one of the radioactive ray uneven generation information and the sensitivity unevenness information.
    • 一种用于光电读取对象的放射照相图像的放射图像读取器。 图像读取器包括放射线照射器; 放射线图像转换面板,其是用于吸收穿过物体的放射线的放射线吸收剂,从而获得放射图像信息; 扫描仪,用激发光扫描转换面板,使转换面板受到受激发射; 读取器,读取转换面板的受激发射,从而获得放射图像; 用于存储照射器的放射线不均匀产生信息和转换面板的灵敏度不均匀信息中的至少一个的存储器; 以及处理器,用于根据放射线不均匀发生信息和灵敏度不均匀信息中的至少一个来补偿放射线图像信息。
    • 7. 发明授权
    • Radiographic image detection device and radiographic imaging system
    • 射线照相图像检测装置和放射成像系统
    • US07365337B2
    • 2008-04-29
    • US11225803
    • 2005-09-13
    • Hisanori TsuchinoYasuaki TamakoshiHiromu Ohara
    • Hisanori TsuchinoYasuaki TamakoshiHiromu Ohara
    • G01T1/24
    • G01T1/2018A61B6/4488A61B6/56
    • A radiographic imaging system includes: a plurality of states of operation, a radiographic image detection device that detects irradiated radiation to obtain radiographic image information, a console capable of communicating with the radiographic image detection device, a status memory which stores the information of operation concerning the state of operation after end of charging or replacing the battery; and the radiographic image detection device includes: power supply source having a rechargeable or replaceable battery to supply power to a plurality of units driven by the power, a control unit that stores in the status memory the information of operation, before the end of charging or replacing the battery, and then after the end of charging or replacing of the battery, controls the state of operation of the units driven by the power in response to the information of operation stored in the status memory.
    • 放射线照相成像系统包括:多个操作状态,检测照射的辐射以获得放射线图像信息的放射线照相图像检测装置,能够与放射线照相图像检测装置通信的控制台,存储有关于 充电或更换电池结束后的运行状态; 放射线照相图像检测装置包括:电源,其具有可充电电池或可替换电池,用于向由电力驱动的多个单元供电;控制单元,其在充电结束之前存储在状态存储器中的操作信息; 更换电池,然后在电池充电或更换之后,响应于存储在状态存储器中的操作信息来控制由电源驱动的单元的操作状态。
    • 9. 发明授权
    • Method of compressing a dynamic range for a radiation image
    • 压缩辐射图像的动态范围的方法
    • US5471987A
    • 1995-12-05
    • US215261
    • 1994-03-21
    • Masayuki NakazawaHisanori Tsuchino
    • Masayuki NakazawaHisanori Tsuchino
    • G06T5/20G06F159/00
    • G06T5/004G06T5/20Y10S128/925
    • A dynamic range compression method for a radiation image for obtaining processed image signal carrying an image having a dynamic range that is narrower than that of the original image, by processing original image signal representing an original image based on radiation image information transmitted through an object. The method is for obtaining unsharp mask signal by averaging the original image signal in a predetermined mask area containing each pixel point corresponding to each pixel point and for correcting original image signal by providing a correction value that is a function of the unsharp mask signal to obtain a processed image signal. Weighting is applied corresponding to an absolute value of a signal different between a central pixel and a peripheral pixel both within a mask area in the averaging process for obtaining the unsharp mask signal.
    • 一种放射图像的动态范围压缩方法,用于通过基于通过对象发送的放射线图像信息处理表示原始图像的原始图像信号来获得承载具有比原始图像的动态范围窄的动态范围的图像的处理图像信号。 该方法是通过对包含与每个像素点相对应的每个像素点的预定掩模区域中的原始图像信号进行平均来获得钝化掩模信号,并且通过提供作为钝化掩模信号的函数的校正值来校正原始图像信号,以获得 经处理的图像信号。 对于平均化处理中的掩模区域内的中心像素和周边像素之间的信号的绝对值相对应地进行加权,以获得非锐化掩模信号。