Radiation image recording and read-out apparatus
    1.
    发明授权
    Radiation image recording and read-out apparatus 失效
    辐射图像记录和读出装置

    公开(公告)号:US4774409A

    公开(公告)日:1988-09-27

    申请号:US787099

    申请日:1985-10-15

    IPC分类号: G01T1/29 G03B42/02 G03C5/16

    CPC分类号: G03B42/02 G01T1/2012

    摘要: In a radiation image recording and read-out apparatus, stimulable phosphor sheets are circulated along a predetermined circulation path through an image recording section for recording a radiation image of an object on the stimulable phosphor sheet by exposing the stimulable phosphor sheet to radiation through the object, an image read-out section including a stimulating ray source which is disposed in the circulation path and emits stimulating rays for scanning the stimulable phosphor sheet and a photoelectric converter which receives light emitted from the stimulable phosphor sheet to obtain an image signal and an erasing section for releasing residual radiation energy in the stimulable phosphor sheet before the stimulable phosphor sheet is returned to the image recording section. A cleaning sheet having thereon an adhesive material layer is transferred along the circulation path.

    摘要翻译: 在放射线图像记录和读出装置中,可刺激的荧光体片通过图像记录部分沿着预定的循环路径循环,该图像记录部分通过将可刺激的荧光体片暴露于穿过物体的辐射来记录被刺激的荧光体片上的物体的放射线图像 图像读出部,其包括设置在循环路径中并且发射用于扫描可刺激的荧光体片的刺激光线的刺激射线源;以及光电转换器,其接收从可刺激的荧光体片发射的光以获得图像信号和擦除 在可刺激的磷光体片返回到图像记录部分之前,释放可刺激的荧光体片中的剩余辐射能量的部分。 其上具有粘合剂层的清洁片沿循环路径传送。

    Radiation image read-out apparatus including selective stimulating ray
reflection preventing means
    2.
    发明授权
    Radiation image read-out apparatus including selective stimulating ray reflection preventing means 失效
    包括选择性刺激射线反射防止装置的放射图像读出装置

    公开(公告)号:US4680473A

    公开(公告)日:1987-07-14

    申请号:US710255

    申请日:1985-03-11

    IPC分类号: G01T1/29 G01T1/105

    CPC分类号: G01T1/2014

    摘要: A radiation image read-out apparatus comprises an optical system for scanning a stimulable phosphor sheet carrying a radiation image stored therein by stimulating rays, a light guide member for guiding light emitted by the stimulable phosphor sheet upon exposure to stimulating rays, a light guiding mirror for reflecting the emitted light to the light guide member, and a photoelectric converter for detecting the light guided by the light guide member. The light guiding mirror is provided with a reflection plane which reflects the light emitted by the stimulable phosphor sheet and which does not reflect stimulating rays. Or, a filter for absorbing the stimulating rays reflected by the stimulable phosphor sheet and transmitting the light emitted by the stimulable phosphor sheet is positioned between the scanned portion of the stimulable phosphor sheet and the light guiding mirror.

    摘要翻译: 放射线图像读出装置包括:光学系统,用于通过刺激光线扫描携带其中存储的放射线图像的可刺激的荧光体片;导光部件,用于在暴露于刺激光线时引导由可刺激的荧光体片发射的光;导光镜 用于将发射的光反射到导光构件,以及光电转换器,用于检测由导光构件引导的光。 导光镜设置有反射由可刺激的荧光体片发射的光并且不反射刺激光线的反射平面。 或者,用于吸收由可刺激的荧光体片反射的刺激光线并透射由可刺激的荧光体片发射的光的滤光器位于可刺激的荧光体片的扫描部分和导光镜之间。

    Radiation image read-out apparatus
    3.
    发明授权
    Radiation image read-out apparatus 失效
    辐射图像读出装置

    公开(公告)号:US4818880A

    公开(公告)日:1989-04-04

    申请号:US710209

    申请日:1985-03-11

    IPC分类号: G01T1/29 G01N23/04 G03C5/16

    CPC分类号: G01T1/2014

    摘要: A radiation image read-out apparatus comprises an optical system for scanning a stimulable phosphor sheet carrying a radiation image stored therein by stimulating rays, a light guide member for guiding light emitted by the stimulable phosphor sheet upon exposure to stimulating rays, and a photoelectric converter for detecting the guided light. A film for preventing reflection of stimulating rays is closely contacted with a light input face of the light guide member. Or, a filter for absorbing the stimulating rays reflected by the stimulable phosphor sheet and transmitting the light emitted by the stimulable phosphor sheet is positioned between the stimulating ray incidence point on the stimulable phosphor sheet and the light input face of the light guide member.

    摘要翻译: 一种放射线图像读取装置,包括:用于通过刺激光线扫描携带其中存储的放射线图像的可刺激的荧光体片的光学系统;用于在暴露于刺激光线时引导由可刺激的荧光体片发射的光的导光部件;以及光电转换器 用于检测导光。 用于防止刺激光线反射的胶片与导光部件的光输入面紧密接触。 或者,用于吸收可刺激的荧光体片反射的刺激光线并透射由可刺激的荧光体片发射的光的滤光器位于可刺激的荧光体片材上的刺激射线入射点与导光部件的光输入面之间。

    Method for detecting prospective abnormal patterns
    5.
    发明授权
    Method for detecting prospective abnormal patterns 失效
    检测预期异常模式的方法

    公开(公告)号:US5714764A

    公开(公告)日:1998-02-03

    申请号:US730024

    申请日:1996-10-11

    CPC分类号: G01N23/043

    摘要: A stimulable phosphor sheet, on which a radiation image of an object has been stored, is exposed to stimulating rays, which cause the stimulable phosphor sheet to emit light in proportion to the amount of energy stored thereon during its exposure to radiation. The emitted light is detected by a photoelectric read-out device, and an image signal representing the radiation image is thereby obtained. Threshold value processing is carried out in accordance with the obtained image signal, and a prospective abnormal pattern is thereby detected from the radiation image. A predetermined threshold value, which is used in the threshold value processing for detecting the prospective abnormal pattern, is set to be a small value as the amount of change in the image signal corresponding to the region in the vicinity of the prospective abnormal pattern becomes large.

    摘要翻译: 在其上已经存储有物体的放射线图像的可刺激的荧光体片材暴露于刺激光线,这使得可刺激的荧光体片材在其暴露于辐射期间与其上存储的能量的量成比例地发光。 由光电读出装置检测发光,从而获得表示放射线图像的图像信号。 根据获得的图像信号进行阈值处理,从而从放射线图像检测出预期的异常图案。 随着与预期异常图案附近的区域对应的图像信号的变化量变大,用于检测预期异常图案的阈值处理中使用的预定阈值被设置为小的值 。

    Image read-out apparatus
    6.
    发明授权
    Image read-out apparatus 失效
    图像读出装置

    公开(公告)号:US5526139A

    公开(公告)日:1996-06-11

    申请号:US593924

    申请日:1990-10-05

    CPC分类号: H04N1/2179

    摘要: An image read-out apparatus comprises an image read-out section provided with a read-out device for detecting image signals representing images from recording media, on which the images have been recorded, and an input device, with which information about the kinds of the images is entered. The image read-out apparatus also comprises a first image signal storing section provided with a first storage device, which stores the image signals regardless of the kinds of the images. At least a single second image signal storing section is located which is provided with a second storage device for selectively storing only the image signals corresponding to a specific kind among the plurality of the kinds.

    摘要翻译: 图像读出装置包括:图像读出部,具有读出装置,用于检测表示从记录有图像的记录介质的图像的图像信号;以及输入装置, 输入图像。 图像读出装置还包括具有第一存储装置的第一图像信号存储部分,其存储图像信号,而不管图像的种类。 至少单个第二图像信号存储部分被设置有第二存储装置,用于仅选择性地仅存储多种类型中对应于特定种类的图像信号。

    Radiation image diagnostic apparatus
    7.
    发明授权
    Radiation image diagnostic apparatus 失效
    辐射图像诊断仪

    公开(公告)号:US5086392A

    公开(公告)日:1992-02-04

    申请号:US260349

    申请日:1988-10-20

    IPC分类号: H04N1/21

    摘要: A radiation image diagnostic apparatus comprises a reader for obtaining a radiation image signal representing a radiation image of an object from a recording medium, an ID information input device for entry of ID information on the object, and a storage device for storing past radiation image signals and ID information corresponding thereto. A retrieval device retrieves a radiation image signal for comparison, which is of the same object as the object of the radiation image signal related to diagnosis obtained by the reader and which has been obtained prior to the radiation image signal related to diagnosis, from the past radiation image signals stored in the storage device based on the ID information entered from the ID information input device. A display device displays the radiation image related to diagnosis which the radiation image signal related to diagnosis represents and a radiation image for comparison which the retrieved radiation image signal for comparison represents side by side so that they are viewed simultaneously.

    摘要翻译: 放射线图像诊断装置包括:读取器,用于获得表示来自记录介质的物体的放射线图像的放射线图像信号; ID信息输入装置,用于输入关于物体的ID信息;以及存储装置,用于存储过去的放射线图像信号 和与其对应的ID信息。 检索装置检索用于比较的放射线图像信号,该辐射图像信号与从读取器获得的与诊断相关的诊断相关的放射线图像信号的对象与来自过去的与诊断有关的放射线图像信号之前获得的物体相同 基于从ID信息输入装置输入的ID信息,存储在存储装置中的放射线图像信号。 显示装置显示与诊断相关的放射线图像信号相关的与诊断相关的放射线图像和用于比较的所检索的放射线图像信号并排地表示的放射线图像,以便它们被同时观看。

    Radiation image read-out method
    8.
    发明授权
    Radiation image read-out method 失效
    辐射图像读出方法

    公开(公告)号:US4943723A

    公开(公告)日:1990-07-24

    申请号:US217022

    申请日:1988-07-11

    IPC分类号: G01T1/29 G03C5/16

    CPC分类号: G03C5/16 G01T1/2014

    摘要: In a radiation image read-out method wherein preliminary read-out is conducted prior to final read-out for adjusting final read-out conditions and/or image processing conditions for a plurality of stimulable phosphor sheets carrying a radiation image of the same object recorded thereon by combination image recording, the preliminary read-out and the final read-out are conducted only for the first stimulable phosphor sheet which is first subjected to the image read-out, and only the final read-out is conducted for the other stimulable phosphor sheets by use of the read-out conditions and/or image processing conditions adjusted on the basis of the image input information obtained by the preliminary read-out of the first stimulable phosphor sheet.

    摘要翻译: 在放射线图像读出方法中,其中在最终读出之前进行初步读出以调整用于记录的多个可刺激的磷光体片的相对物体的最终读出条件和/或图像处理条件 通过组合图像记录在其上进行初步读出和最终读出,仅针对首先进行图像读出的第一可激发荧光粉片,并且仅针对另一个可刺激的荧光体进行最终读出 通过使用基于通过初步读出第一可激发荧光体片获得的图像输入信息调整的读出条件和/或图像处理条件来生成荧光体片。

    Method of adjusting radiation image read-out conditions
    9.
    发明授权
    Method of adjusting radiation image read-out conditions 失效
    调整辐射图像读出条件的方法

    公开(公告)号:US4931644A

    公开(公告)日:1990-06-05

    申请号:US164654

    申请日:1988-03-07

    IPC分类号: G01T1/29 G03C5/16 H04N5/30

    CPC分类号: G03C5/16 G01T1/2014 H04N5/30

    摘要: In a method of adjusting read-out conditions for a radiation image stored on a stimulable phosphor sheet by limiting the radiation exposure field, digital image signals at respective positions on the stimulable phosphor sheet for detected on the basis of image information obtained by preliminary read-out. The digital image signals are subjected to a differentiation processing, and the radiation exposure field on the stimulable phosphor sheet is detected by use of the differentiated values obtained thereby. The read-out conditions in final read-out are adjusted on the basis of the image information obtained within the detected radiation exposure field by the preliminary read-out.

    Radiation image read-out method and apparatus
    10.
    发明授权
    Radiation image read-out method and apparatus 失效
    辐射图像读出方法和装置

    公开(公告)号:US4877958A

    公开(公告)日:1989-10-31

    申请号:US138753

    申请日:1987-12-29

    CPC分类号: G01T1/2014 H04N1/40056

    摘要: In a radiation image read-out method and apparatus, a stimulable phosphor sheet carrying a radiation image stored thereon is exposed to stimulating rays which cause the stimulable phosphor sheet to emit light in proportion to the stored radiation energy, and the emitted light is photoelectrically detected by use of a light detection device to obtain image signals for use in reproduction of a visible image. Light detection ranges of the light detection device suitable for image recording conditions are stored in conformity with the respective image recording conditions in a memory. In the course of detection of the light emitted by the stimulable phosphor sheet, the image recording conditions with respect to the stimulable phosphor sheet on which image read-out is to be carried out are designated, the light detection range corresponding to the designated image recording conditions is read from the memory, and is set in the light detection device. Preliminary read-out is not used.

    摘要翻译: 在放射线图像读取方法和装置中,将存储在其上的放射线图像的可刺激的荧光体片暴露于刺激的射线,使得可激发的荧光体片材与存储的辐射能量成比例地发光,并且发射的光被光电检测 通过使用光检测装置获得用于再现可见图像的图像信号。 适合于图像记录条件的光检测装置的光检测范围与存储器中的相应图像记录条件一致。 在由可刺激的荧光体片发射的光的检测过程中,指定相对于要进行图像读出的可激发荧光粉片的图像记录条件,对应于指定图像记录的光检测范围 从存储器读取条件,并设置在光检测装置中。 初步读取不被使用。