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1. 发明授权

US08462995B2 Method of authenticating individual and apparatus of authenticating individual used for the same 有权
标题翻译：认证个人身份认证方法和使用的个人认证方法
公开(公告)号：US08462995B2
公开(公告)日：2013-06-11
申请号：US12936469
申请日：2009-03-31
申请人： Hitoshi Fujii , Kenji Okamoto
发明人： Hitoshi Fujii , Kenji Okamoto
IPC分类号： G06K9/62
CPC分类号： G06F21/32 , A61B3/1225 , A61B5/0261 , A61B5/117 , G06K9/00604 , G06K9/00919 , G06K2009/00932
摘要： Individual authentication method and apparatus therefor, wherein at least one information out of an eyeground blood vessel image information obtained by an optical means, eyeground blood flow distribution image information obtained by using a laser, and information relating to the change over time thereof is compared and collated with personal information registered in advance, and at least the one information out of the eyeground blood vessel image information, the eyeground blood flow distribution image information, and the information relating to the change over time thereof within a measurement field of view obtained in a direction of a line of sight fixed by a fixation target registered in advance is compared and collated with the personal information registered in advance. The fixation target for fixing the direction of the line of sight may be selected from a plurality of fixation points, such as a part of a character string, a part of a still image, or a part of a moving picture, and has an information of which of them to fixedly view registered in advance. An improved technology for further reinforcing the individual authentication method using measurement of an eyeground blood vessel pattern or an eyeground blood flow distribution is provided.
摘要翻译：个人认证方法及其装置，其中通过光学装置获得的眼底血管图像信息中的至少一个信息，使用激光获得的眼底血流分布图像信息和与其随时间变化相关的信息进行比较，以及与预先登记的个人信息进行整理，并且至少在眼底血管图像信息，眼底血流分布图像信息和与其在时间上的变化相关的信息中的一个信息在获得的测量视野内将由预先登记的固定目标固定的视线的方向与预先登记的个人信息进行比较和整理。用于固定视线方向的固定目标可以从诸如字符串的一部分，静止图像的一部分或运动图像的一部分的多个固定点中选择，并且具有信息其中哪一个固定地提前注册。提供了一种用于进一步加强使用眼底血管图案或眼底血流分布的测量的个体认证方法的改进技术。

2. 发明授权

US08494228B2 Personal authentication method using subcutaneous bloodstream measurement and personal authentication device 有权
标题翻译：使用皮下血流测量和个人认证装置的个人认证方法
公开(公告)号：US08494228B2
公开(公告)日：2013-07-23
申请号：US12936142
申请日：2009-03-23
申请人： Hitoshi Fujii , Kenji Okamoto
发明人： Hitoshi Fujii , Kenji Okamoto
IPC分类号： G06K9/62
CPC分类号： G06K9/00033 , A61B5/0261 , A61B5/117 , A61B5/489 , A61B5/6826 , A61B5/6838 , G06F21/32 , G06K2009/00932 , G07C9/00158
摘要： In a personal authentication method using the subcutaneous bloodstream measurement where an expanded laser beam is irradiated onto a finger pad, light reflected from a subcutaneous blood vessel layer is imaged on an image sensor as a laser speckle using an optical system, a quantity that represents the rate of change with respect to time of the amount of light received for each pixel of the laser speckle is calculated, the values are used as a two-dimensional map to obtain a map showing the bloodstream of the finger pad, and the bloodstream map is comparison-checked against pre-registered data of individuals, the laser speckle is imaged on the image sensor using a region separate from a region irradiated by the laser beam as an observation region of the image sensor. A device for use in the method is also provided. Relating to a method and device for authentication using, e.g., a finger print pattern on the basis of the laser speckle, an improved technique capable of extracting, e.g., the finger print pattern accurately is provided.
摘要翻译：在使用将扩大的激光束照射到指垫上的皮下血流测量的个人认证方法中，从皮下血管层反射的光作为激光散斑使用光学系统成像在图像传感器上，数量表示计算相对于激光散斑的每个像素接收的光的时间的变化率，将这些值用作二维图，以获得示出手指的血流的图，并且血流图是与个人的预先注册数据进行比较检查，使用与由激光束照射的区域分开的区域作为图像传感器的观察区域，在图像传感器上成像激光散斑。还提供了一种用于该方法的装置。关于使用例如基于激光散斑的指纹图案进行认证的方法和装置，提供了能够精确地提取例如指纹图案的改进技术。

3. 发明申请

US20110319775A1 BLOOD FLOW IMAGE DIAGNOSING DEVICE 有权
标题翻译：血流图像诊断装置
公开(公告)号：US20110319775A1
公开(公告)日：2011-12-29
申请号：US13254754
申请日：2010-04-20
申请人： Hitoshi Fujii , Kenji Okamoto , Noriyoshi Takahashi , Hiroyuki Ishihara
发明人： Hitoshi Fujii , Kenji Okamoto , Noriyoshi Takahashi , Hiroyuki Ishihara
IPC分类号： A61B5/02
CPC分类号： A61B5/0261 , A61B3/1233 , A61B5/02007 , A61B5/489 , G06F19/00
摘要： The present invention provides a blood flow image diagnosis device comprising: a laser beam irradiation system that irradiates an observation region of a body tissue with a laser beam; a light receiving system having a light receiver including a large number of pixels that detects reflected light from the observation region of the body tissue; an image capture section that continuously captures a plurality of images for a specified time that is one or more cardiac beats on the basis of a signal from the light receiver; an image storage section that stores the plurality of images; an arithmetic section that calculates a blood flow rate in the body tissue from the time variation of the output signal of each pixel corresponding to the plurality of the stored images; and a display section that displays the two-dimensional distribution of the calculation result as a blood flow map; wherein the blood flow image diagnosis device has a function for analyzing the blood flow map, the arithmetic section has a function that separates a blood flow of a blood vessel observed in a surface layer in the observation region of the body tissue from a peripheral background blood flow on the basis of a plurality of blood flow map data for a time that is one or more cardiac beats, and the display section has a function that distinguishably displays each blood flow on a blood flow map. The blood flow image diagnosis device has an additional function for diagnosing blood flow images as compared to a conventional device.
摘要翻译：本发明提供一种血流图像诊断装置，包括：激光束照射系统，其用激光束照射身体组织的观察区域; 光接收系统，其具有包含大量像素的光接收器，所述多个像素检测来自所述身体组织的观察区域的反射光; 图像捕获部，其基于来自所述光接收器的信号连续捕获指定时间内的多个图像，所述指定时间是一个或多个心跳; 存储多个图像的图像存储部; 运算部，其根据与所述多个所存储的图像对应的各像素的输出信号的时间变化来计算所述人体组织中的血流量; 以及显示部，其将计算结果的二维分布显示为血流图; 其特征在于，所述血流图像诊断装置具有分析血流图的功能，所述运算部具有将身体组织的观察区域中的表层中观察到的血管的血流与周边背景血液分离的功能基于多个血流图数据流动一次或多次心跳，并且显示部具有可区分地显示血流图上的每个血流的功能。与常规装置相比，血流图像诊断装置具有用于诊断血流图像的附加功能。

4. 发明申请

US20110033091A1 METHOD OF AUTHENTICATING INDIVIDUAL AND APPARATUS OF AUTHENTICATING INDIVIDUAL USED FOR THE SAME 有权
标题翻译：授权个人及其使用个人身份的方法
公开(公告)号：US20110033091A1
公开(公告)日：2011-02-10
申请号：US12936469
申请日：2009-03-31
申请人： Hitoshi Fujii , Kenji Okamoto
发明人： Hitoshi Fujii , Kenji Okamoto
IPC分类号： G06K9/00
CPC分类号： G06F21/32 , A61B3/1225 , A61B5/0261 , A61B5/117 , G06K9/00604 , G06K9/00919 , G06K2009/00932
摘要： Individual authentication method and apparatus therefor, wherein at least one information out of an eyeground blood vessel image information obtained by an optical means, eyeground blood flow distribution image information obtained by using a laser, and information relating to the change over time thereof is compared and collated with personal information registered in advance, and at least the one information out of the eyeground blood vessel image information, the eyeground blood flow distribution image information, and the information relating to the change over time thereof within a measurement field of view obtained in a direction of a line of sight fixed by a fixation target registered in advance is compared and collated with the personal information registered in advance. The fixation target for fixing the direction of the line of sight may be selected from a plurality of fixation points, such as a part of a character string, a part of a still image, or a part of a moving picture, and has an information of which of them to fixedly view registered in advance. An improved technology for further reinforcing the individual authentication method using measurement of an eyeground blood vessel pattern or an eyeground blood flow distribution is provided.
摘要翻译：个人认证方法及其装置，其中通过光学装置获得的眼底血管图像信息中的至少一个信息，使用激光获得的眼底血流分布图像信息和与其随时间变化相关的信息进行比较，以及与预先登记的个人信息进行整理，以及至少在眼部血管图像信息，眼底血流分布图像信息中的一个信息，以及与在其中获得的测量视野内的随时间的变化相关的信息将由预先登记的固定目标固定的视线的方向与预先登记的个人信息进行比较和整理。用于固定视线方向的固定目标可以从诸如字符串的一部分，静止图像的一部分或运动图像的一部分的多个固定点中选择，并且具有信息其中哪一个固定地提前注册。提供了一种用于进一步加强使用眼底血管图案或眼底血流分布的测量的个体认证方法的改进技术。

5. 发明申请

US20110026783A1 PERSONAL AUTHENTICATION METHOD USING SUBCUTANEOUS BLOODSTREAM MEASUREMENT AND PERSONAL AUTHENTICATION DEVICE 有权
标题翻译：个人认证方法使用血液透析测量和个人认证设备
公开(公告)号：US20110026783A1
公开(公告)日：2011-02-03
申请号：US12936142
申请日：2009-03-23
申请人： Hitoshi Fujii , Kenji Okamoto
发明人： Hitoshi Fujii , Kenji Okamoto
IPC分类号： G06K9/00
CPC分类号： G06K9/00033 , A61B5/0261 , A61B5/117 , A61B5/489 , A61B5/6826 , A61B5/6838 , G06F21/32 , G06K2009/00932 , G07C9/00158
摘要： In a personal authentication method using the subcutaneous bloodstream measurement where an expanded laser beam is irradiated onto a finger pad, light reflected from a subcutaneous blood vessel layer is imaged on an image sensor as a laser speckle using an optical system, a quantity that represents the rate of change with respect to time of the amount of light received for each pixel of the laser speckle is calculated, the values are used as a two-dimensional map to obtain a map showing the bloodstream of the finger pad, and the bloodstream map is comparison-checked against pre-registered data of individuals, the laser speckle is imaged on the image sensor using a region separate from a region irradiated by the laser beam as an observation region of the image sensor. A device for use in the method is also provided. Relating to a method and device for authentication using, e.g., a finger print pattern on the basis of the laser speckle, an improved technique capable of extracting, e.g., the finger print pattern accurately is provided.
摘要翻译：在使用将扩大的激光束照射到指垫上的皮下血流测量的个人认证方法中，从皮下血管层反射的光作为激光散斑使用光学系统成像在图像传感器上，数量表示计算相对于激光散斑的每个像素接收的光的时间的变化率，将这些值用作二维图，以获得示出手指的血流的图，并且血流图是与个人的预先注册数据进行比较检查，使用与由激光束照射的区域分开的区域作为图像传感器的观察区域，在图像传感器上成像激光散斑。还提供了一种用于该方法的装置。关于使用例如基于激光散斑的指纹图案进行认证的方法和装置，提供了能够精确地提取例如指纹图案的改进技术。

6. 发明授权

US09028421B2 Blood flow image diagnosing device 有权
标题翻译：血流图像诊断装置
公开(公告)号：US09028421B2
公开(公告)日：2015-05-12
申请号：US13254754
申请日：2010-04-20
申请人： Hitoshi Fujii , Kenji Okamoto , Noriyoshi Takahashi , Hiroyuki Ishihara
发明人： Hitoshi Fujii , Kenji Okamoto , Noriyoshi Takahashi , Hiroyuki Ishihara
IPC分类号： A61B5/02 , A61B5/026 , A61B3/12 , A61B5/00
CPC分类号： A61B5/0261 , A61B3/1233 , A61B5/02007 , A61B5/489 , G06F19/00
摘要： A blood flow image diagnosis device which diagnoses a blood flow map by separating, on the basis of a plurality of blood flow maps covering a specified time including one or more cardiac beats, a blood flow of a surface layer blood vessel observed in a surface layer in an observation region of a body tissue from a background blood flow of a peripheral background region. The device distinguishably displays a first blood flow map of the surface layer blood vessel and a second blood flow map of the background blood flow. The device calculates and compares information on a blood flow including blood flow value, blood flow waveform, or blood vessel diameter in the first and second blood flow maps, and displays the calculated information.
摘要翻译：一种血流图像诊断装置，其通过基于包含一个以上的心律的规定时间的多个血流图分离诊断血流图，在表层中观察到的表层血管的血流量在来自外周背景区域的背景血流的身体组织的观察区域中。所述装置可区分地显示表层血管的第一血流图和背景血流的第二血流图。该装置计算和比较第一和第二血流图中包括血流量值，血流波形或血管直径的血流信息，并显示所计算的信息。

7. 发明申请

US20100056936A1 BLOOD FLOW RATE IMAGING DEVICE 审中-公开
标题翻译：血液流量成像装置
公开(公告)号：US20100056936A1
公开(公告)日：2010-03-04
申请号：US12517017
申请日：2007-11-28
申请人： Hitoshi Fujii , Kenji Okamoto , Kimihiko Fujisawa
发明人： Hitoshi Fujii , Kenji Okamoto , Kimihiko Fujisawa
IPC分类号： A61B5/0265
CPC分类号： A61B3/1241 , G01F1/00 , G01F1/704 , G01P5/001 , G01P5/26
摘要： Provided is a blood flow rate imaging device that can automatically distinguish an artery and a vein from a blood flow rate obtained on a time series blood flow map. A blood flow rate imaging device of the present invention includes a laser beam irradiation system (1) that irradiates a laser beam to a biological tissue that has a blood cell, a light receiving system (2) that has a light receiver (5) including many pixels that detect reflected light from the biological tissue, an image capture section (12) that continuously captures a plurality of images for a predetermined time of one or more cardiac beats on the basis of signal from the light receiver (5), an image storage section (15) that stores a plurality of images, and an arithmetic section (16) that calculates a blood flow rate within a biological tissue from the time variation of the output signal of each pixel corresponding to a plurality of stored images, wherein the above arithmetic section has a detecting section that detects an artery and a vein from a plurality of images of the above one or more cardiac beats and displays an arterial pulse part and a venous pulse part on the blood flow map.
摘要翻译：提供一种能够自动区分动脉和静脉的血流量成像装置与在时间序列血流图上获得的血流量。本发明的血液流量成像装置包括将激光束照射到具有血细胞的生物体组织的激光束照射系统（1），具有光接收器（5）的光接收系统（2）检测来自生物组织的反射光的许多像素，基于来自光接收器（5）的信号，在一个或多个心跳节拍的预定时间内连续捕获多个图像的图像捕获部分（12），图像存储多个图像的存储部（15），以及从与多个存储图像对应的每个像素的输出信号的时间变化计算生物组织内的血流量的运算部（16），其中，上述运算部具有检测部，其从上述一个或多个心跳的多个图像中检测动脉和静脉，并且在血液中显示动脉脉冲部和静脉脉搏部 w地图。

8. 发明授权

US08285003B2 Personal authentication method and personal authentication device utilizing ocular fundus blood flow measurement by laser light 有权
标题翻译：个人认证方法和个人认证装置，利用激光进行眼底血流测量
公开(公告)号：US08285003B2
公开(公告)日：2012-10-09
申请号：US12303461
申请日：2007-05-28
申请人： Hitoshi Fujii , Naoki Konishi
发明人： Hitoshi Fujii , Naoki Konishi
IPC分类号： G06K9/00 , A61B5/00 , A61B5/02
CPC分类号： A61B3/1233 , A61B3/117 , G06F21/32 , G06K9/00597 , G07C9/00158
摘要： A personal authentication method comprising imaging, on an image sensor as a laser speckle using an optical system, light reflected from retinal blood vessels of the ocular fundus and a blood vessel layer in ocular fundus internal tissue when a laser beam is expanded and made to irradiate the ocular fundus, calculating a quantity that represents the rate of change with respect to time of the amount of light received for each pixel of the laser speckle, obtaining an ocular fundus blood flow map as a two-dimensional map of the numerical values of the quantity, and comparison-checking against pre-registered personal data utilizing at least one, observed in the blood flow map, of blood flow distribution data, a pattern reflecting the course of retinal blood vessels, a pattern reflecting the course of blood vessels in ocular fundus internal tissue observed superimposed thereon, and data on changes thereof over time, and a device therefor. In accordance with the method and device of the present invention utilizing the ocular fundus blood flow rate map, a personal authentication method and device can be obtained that have remarkably higher accuracy than conventional methods and devices.
摘要翻译：一种个人认证方法，其特征在于，在使用光学系统的作为激光散斑的图像传感器上，当激光束被扩张并照射时，将眼底的视网膜血管反射的光和眼底内部组织中的血管层成像眼底，计算表示相对于激光斑点的每个像素接收的光的时间的变化率的量，获得眼底血流图作为二维图的数值的二维图数量和对照预先登记的个人数据的比较，利用血流图中观察到的至少一个血流分布数据，反映视网膜血管过程的图案，反映眼睛血管过程的图案观察到的眼底内部组织叠加在其上，以及随时间变化的数据及其装置。根据利用眼底血流速度图的本发明的方法和装置，可以获得与常规方法和装置相比具有非常高的精度的个人认证方法和装置。

9. 发明申请

US20080049580A1 Optical pickup device 审中-公开
标题翻译：光学拾取装置
公开(公告)号：US20080049580A1
公开(公告)日：2008-02-28
申请号：US11892423
申请日：2007-08-22
申请人： Mika Hamaoka , Hitoshi Fujii , Kenji Nagashima
发明人： Mika Hamaoka , Hitoshi Fujii , Kenji Nagashima
IPC分类号： G11B7/00
CPC分类号： G11B7/1275 , G11B7/1353 , G11B7/1376 , G11B7/1378 , G11B7/13922 , G11B2007/0006
摘要： An optical pickup device includes a plurality of light sources for emitting light beams having different wavelengths; an objective lens for focusing the light beams emitted from the light sources on a recording surface of an optical recording medium; and a photo detector for receiving the light beams reflected from the recording surface. The light beams emitted from the light sources include a first light beam and a second light beam having wavelengths different from each other, the first light beam is incident on the objective lens with a finite system, and the second light beam is incident on the objective lens with an infinite system, paths through which the reflected light of the first light beam and the second light beam reach the photo detector are common to each other, and a hologram element for compensating a focal position in an optical axis direction of one of the first light beam and the second light beam is disposed at a position through which only the reflected light beams pass and which is in front of the photo detector.
摘要翻译：光拾取装置包括用于发射具有不同波长的光束的多个光源; 用于将从光源发射的光束聚焦在光学记录介质的记录表面上的物镜; 以及用于接收从记录表面反射的光束的光电检测器。从光源发射的光束包括具有彼此不同波长的第一光束和第二光束，第一光束以有限的系统入射到物镜上，并且第二光束入射到物镜上具有无限系统的透镜，第一光束和第二光束的反射光到达光电检测器的路径是共同的，以及全息元件，用于补偿光源中的一个的光轴方向上的焦点位置第一光束和第二光束设置在只有反射光束通过的位置，并且位于光检测器的前面。

10. 发明申请

US20070263906A1 Personal Identification Method by Subcutaneous Bloodstream Measurement and Personal Identification Device 审中-公开
标题翻译：通过皮下血流测量和个人识别装置的个人识别方法
公开(公告)号：US20070263906A1
公开(公告)日：2007-11-15
申请号：US10596975
申请日：2005-05-31
申请人： Hitoshi Fujii , Naoki Konishi
发明人： Hitoshi Fujii , Naoki Konishi
IPC分类号： G06K9/00
CPC分类号： A61B5/0261 , A61B5/1172 , G06K9/00033
摘要： The personal identification method through the measurement of subcutaneous bloodstream comprising: (1) a step of expanding and irradiating a laser beam to a finger pad and focusing light reflected from a blood vessel layer under skin onto an image sensor plane as laser speckles by using an optical system; (2) a step of determining an amount representing the rate of time variation of the amount of received light at each pixel of the laser speckles, for example, a mean rate of time variation or the reciprocal of the variation of the received light amount which is integrated in accordance with an exposure time of the image sensor, and setting the numerical value thus achieved as a two-dimensional map to thereby achieve a bloodstream map of the finger pad; and (3) a step of comparing a fingerprint pattern appearing as the bloodstream map with preregistered personal data for identification.
摘要翻译：通过测量皮下血流的个人识别方法，包括：（1）将激光束扩展并照射到手指垫并将从皮肤下的血管层反射的光聚焦到图像传感器平面上作为激光斑点的步骤，光学系统; （2）确定表示激光散斑的每个像素处的接收光量的时间变化率的量的步骤，例如平均时间变化率或接收光量的变化的倒数，根据图像传感器的曝光时间进行积分，并将由此获得的数值设置为二维图，从而实现指垫的血流图; 和（3）将出现为血流图的指纹图案与预先登记的个人数据进行比较以进行识别的步骤。

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