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    • 1. 发明授权
    • Information reading apparatus for radiation image
    • 辐射图像信息读取装置
    • US4806757A
    • 1989-02-21
    • US924735
    • 1986-10-30
    • Tsuyoshi KanoTetsuhiko TakahashiKenichi OkajimaKenji UmetaniSaburo AtakaHisatake YokouchiRyuichi Suzuki
    • Tsuyoshi KanoTetsuhiko TakahashiKenichi OkajimaKenji UmetaniSaburo AtakaHisatake YokouchiRyuichi Suzuki
    • C09K11/61G01T1/29G21K4/00G02B26/10
    • C09K11/616G01T1/2012G01T1/2014G21K4/00
    • When the laser-stimulable phosphor plate of an information reading apparatus for radiation image is constituted of CsI as the base and 0.0003 to 0.03% in atomic ratio of Na, the output signal of the information reading apparatus can be increased and the decay time thereof can be shortened. When output signals are produced by detecting fluorescence emitted from a fluoroscopic plate disposed in confrontation with the laser-stimulable phosphor plate, there is provided an information reading apparatus for radiation image having an improved S/N ratio and a high efficiency of taking in laser-stimulated luminescence. Further, instead of Na or together with Na, there may be added at least one element selected from the group consisting of Li, K, Rb, Cu, Au, Be, Mg, Ca, Sr, Ba, Zn, Cd, Hg, B, Al, Ga, In, Tl, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Si, Ti, Zr, Ge, Sn, Pb, As, Sb, and Bi. In this case, the total content of these elements is set to be 0.00001 to 1% in atomic ratio.
    • 当用于放射线图像的信息读取装置的激光可刺激的磷光体板以CsI为基准,以Na原子比为0.0003〜0.03%时,信息读取装置的输出信号可以增加,其衰减时间可以 缩短。 当通过检测由与激光可激发的荧光体板对置设置的荧光检查板发出的荧光而产生输出信号时,提供了一种具有改善的S / N比和具有高激光吸收能力的高效率的放射线图像的信息读取装置, 刺激发光。 此外,代替Na或与Na一起,可以添加至少一种选自Li,K,Rb,Cu,Au,Be,Mg,Ca,Sr,Ba,Zn,Cd,Hg, B,Al,Ga,In,Tl,Sc,Y,La,Ce,Pr,Nd,Sm,Eu,Gd,Tb,Dy,Ho,Er,Tm,Yb,Lu,Si,Ti,Zr,Ge, Sn,Pb,As,Sb和Bi。 在这种情况下,这些元素的总含量以原子比设定为0.00001〜1%。
    • 3. 发明授权
    • Apparatus for automated classification of white blood cells
    • 白细胞自动分类装置
    • US4175859A
    • 1979-11-27
    • US815824
    • 1977-07-14
    • Akihide HashizumeRyuichi SuzukiHisatake YokouchiHideyuki HoriuchiShinji Yamamoto
    • Akihide HashizumeRyuichi SuzukiHisatake YokouchiHideyuki HoriuchiShinji Yamamoto
    • G01N33/48G01N15/14G01N21/25G06K9/00G06T1/00G01N33/16
    • G01N15/1468G06K9/00127G01N21/25
    • An apparatus for automated classification of white blood cells comprising photo-electric converter means whereby the green and blue lights passing through the blood smear are converted into the respective electric signals, a first means for detecting the zone where the nucleus of white blood cell is present at a certain threshold level determined by the maximum and minimum values of the electric signal corresponding to green color, a second means for discriminating between the nucleus of white blood cell obtained from said first means and the granules and cytoplasm of white blood cell at a certain threshold level determined according to said electric signal corresponding to green color, a third means for discriminating between said cytoplasm and the back-ground at the threshold value determined on the basis of said electric signal corresponding to green color and obtained by adding a certain value to the average density on the back-ground, and a fourth means for discriminating between said nucleus and the red blood cells at a certain threshold level determined on the basis of said electric signal corresponding to blue color.
    • 一种用于白细胞自动分类的装置,包括光电转换器装置,由此将穿过血液涂片的绿色和蓝色光转换成相应的电信号,第一种用于检测存在白细胞核的区域的装置 在由与绿色对应的电信号的最大值和最小值确定的某个阈值水平上,第二装置,用于鉴别从所述第一装置获得的白细胞的核与特定的白细胞的颗粒和细胞质 根据对应于绿色的所述电信号确定的阈值电平;第三装置,用于基于所述与绿色相对应的电信号确定的阈值来区分所述细胞质和背景,并通过将特定值加到 背景上的平均密度,以及用于区分的第四装置 所述细胞核和红细胞在基于对应于蓝色的所述电信号确定的某个阈值水平。
    • 7. 发明授权
    • Flow imaging method using an MRI apparatus
    • 使用MRI装置的流动成像方法
    • US5221898A
    • 1993-06-22
    • US798907
    • 1991-11-27
    • Kenji TakiguchiHidemi ShionoEtsuji YamamotoRyuichi Suzuki
    • Kenji TakiguchiHidemi ShionoEtsuji YamamotoRyuichi Suzuki
    • G01R33/561G01R33/563
    • G01R33/56308G01R33/5616G01R33/56316
    • This invention relates to a ultra-high speed nuclear magnetic resonance fluid imaging method for selectively reconstructing projected images of a fluid from an echo train generated by the use of a readout gradient magnetic field which inverses periodically. A pulse-like encoding gradient magnetic field is used in combination with a readout gradient magnetic field which inverses periodically, so as to generate an echo train containing alternately echoes whose phase change of magnetization due to a flow is emphasized and echoes whose phase change of magnetization due to the flow is corrected, and subjected sequentially to phase encoding. A data train containing only the echoes whose phase change of magnetization due to the flow is emphasized and a data train containing only the echoes whose phase change of magnetization due to the flow is corrected are formed from sampling data of these echoes, respectively, and two images are then obtained by subjecting them individually to two-dimensional Fourier transform. Both of these images are then subtracted.
    • 本发明涉及一种超高速核磁共振流体成像方法,用于从通过使用周期性反转的读出梯度磁场产生的回波序列中选择性地重构流体的投影图像。 脉冲式编码梯度磁场与周期性反转的读出梯度磁场结合使用,以便生成包含交替回波的回波串,该回波串被强调由于流动引起的磁化相位变化,并且回波其磁化相位变化 由于流程被校正,并且顺序地进行相位编码。 仅包含其中由于流动引起的磁化相位变化的回波的数据列被分别由这些回波的采样数据分别形成,并且仅包含校正由流动引起的磁化相位变化的回波的数据列分别形成 然后通过对它们进行二维傅立叶变换而获得图像。 然后将这两个图像相减。
    • 8. 发明授权
    • Method and apparatus for classifying white blood cells
    • 白细胞分类方法及装置
    • US4850024A
    • 1989-07-18
    • US720013
    • 1985-04-04
    • Jun MotoikeAkihide HashizumeRyuichi Suzuki
    • Jun MotoikeAkihide HashizumeRyuichi Suzuki
    • G01N33/48G01N15/14G01N33/49G06K9/00G06Q50/22G06Q50/24G06T1/00
    • G06K9/00127G01N15/1468G01N15/1475
    • An apparatus for classifying leukocytes comprises a sample image preprocessing unit which modifies the pattern of the nucleus of each of predetermined number of leukocytes extracted from the image of a blood sample, a unit for analyzing each of the processed nucleus patterns and broadly classifying each of the leukocytes into a typical or quasi-typical band form neutrophil, a typical or quasi-typical segmented neutrophil, or other neutrophil in an intermixture domain or a leukocyte other than a neutrophil, and a unit for calculating sample estimation indexes from the numbers of typical and quasi-typical neutrophils and the total number of neutrophils, classifying each of the neutrophils in the intermixture domain into a band form or a segmented neutrophil in accordance with the estimation indexes, and adding the numbers of intermixed band form and segmented neutrophils to the numbers of typical or quasi-typical band form and segmented neutrophils, respectively.
    • 用于分类白细胞的装置包括样本图像预处理单元,其对从血液样本的图像提取的预定数量的白细胞中的每一个白细胞的核的图案进行修改,分析每个经处理的核图案的单元,并且对 白细胞成为典型或准典型的带状中性粒细胞,典型或准典型的分段嗜中性粒细胞,或混合结构域中的其他嗜中性粒细胞或嗜中性粒细胞以外的白细胞,以及用于从典型和准 准典型嗜中性粒细胞和嗜中性粒细胞总数,根据估计指标将混合结构域中的每个嗜中性粒细胞分类为带状或分段嗜中性粒细胞,并将混合带形式和分段嗜中性粒细胞数加到 典型或准典型的带状和分段嗜中性粒细胞。