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1. 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。

2. 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。

3. 发明授权

US07844083B2 Method for acquiring personal identification data, personal identification method, apparatus for acquiring personal identification data, and personal identification apparatus 有权
标题翻译：用于获取个人识别数据的方法，个人识别方法，用于获取个人识别数据的装置和个人识别装置
公开(公告)号：US07844083B2
公开(公告)日：2010-11-30
申请号：US11646349
申请日：2006-12-28
申请人： Hitoshi Fujii , Naoki Konishi
发明人： Hitoshi Fujii , Naoki Konishi
IPC分类号： G06K9/00
CPC分类号： G06K9/00114 , G06K9/00906
摘要： The present invention provides a method for acquiring personal identification data by extracting a ridge-and-recess pattern corresponding to a fingerprint or a knuckle joint and lines on a palm by utilizing characteristics by which subcutaneous bloodstream distribution is spatially modulated by the ridge-and-recess pattern on the surface when measuring a subcutaneous bloodstream distribution based on a bloodstream measuring technology utilizing laser scattering, and by acquiring the same as personal identification data based on living body information, and the same method for acquiring personal identification data includes the steps of: irradiating a laser beam onto at least a part of a fingertip surface or a palm; imaging reflection light from subcutaneous blood vessel layers at an irradiation spot to which a laser beam is irradiated by receiving the same on an image sensor as laser speckles; calculating a change ratio of a light-receiving amount at respective pixels of the laser speckles; preparing a two-dimensional bloodstream map of the irradiation spot based on the numerical values obtained in the step of calculating a change ratio of a light-receiving amount; and storing a ridge-and-recess pattern of the irradiation spot appearing in the two-dimensional bloodstream map as personal identification data.
摘要翻译：本发明提供了一种用于通过利用皮下血流分布由脊 - - 间隙空间调制的特征提取与指纹或指节关节相对应的脊凹凹部图案和手掌上的线来获取个人识别数据的方法，基于使用激光散射的血流测量技术测量皮下血流分布，并且通过基于生物体信息获取个人识别数据，并且获取个人识别数据的相同方法包括以下步骤：将激光束照射到指尖表面或手掌的至少一部分上; 通过在激光散斑的图像传感器上照射激光束的照射点处的皮下血管层成像反射光; 计算激光散斑的各个像素处的光接收量的变化率; 基于在计算受光量的变化率的步骤中获得的数值，准备照射点的二维血流图; 并存储出现在二维血流图中的照射点的脊凹凹部图案作为个人识别数据。

4. 发明申请

US20090202113A1 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设备利用激光照射的眼睛血液流量测量
公开(公告)号：US20090202113A1
公开(公告)日：2009-08-13
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
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。

5. 发明申请

US20100168585A1 PERSONAL AUTHENTICATION METHOD AND PERSONAL AUTHENTICATION DEVICE UTILIZING FINGER-TIP BLOOD FLOW MEASUREMENT BY LASER LIGHT 有权
标题翻译：个人认证方法和使用激光照射手指血液流量测量的个人认证装置
公开(公告)号：US20100168585A1
公开(公告)日：2010-07-01
申请号：US12280035
申请日：2007-01-09
申请人： Hitoshi Fujii , Naoki Konishi
发明人： Hitoshi Fujii , Naoki Konishi
IPC分类号： A61B5/117
CPC分类号： A61B5/1172 , A61B5/0261 , G06K9/00033 , G06K9/00899
摘要： A personal authentication method is provided that includes imaging, on an image sensor as a laser speckle using an optical system, light reflected from a blood vessel layer in subcutaneous and internal tissues when a laser beam is expanded and made to irradiate a finger pad, 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 a finger pad blood flow map as a two-dimensional map of the numerical values, and comparison-checking the blood flow map against pre-registered data of individuals, wherein using a near-infrared laser beam or using this in combination with a visible laser beam, comparison-checking against pre-registered data of individuals is carried out using a pattern reflecting a fingerprint occurring within the finger pad blood flow map obtained from reflected light and, observed superimposed thereon, an internal tissue blood flow distribution pattern, and there is also provided a device used for the method.
摘要翻译：提供一种个人认证方法，其包括在激光束被扩张并使其照射指垫时，使用光学系统在作为激光散斑的图像传感器上成像从皮肤组织和内部组织中的血管层反射的光，计算表示对于激光散斑的每个像素接收的光量相对于时间的变化率的量，获得作为数值的二维图的手指垫血流图，并且对血液进行比较检查流程图与个人的预先注册的数据相对应，其中使用近红外激光束或将其与可见激光束组合使用，使用反映在内部发生的指纹的图案进行与个人的预先登记数据的比较检查从反射光获得的指垫血流图，并且在其上重叠观察内部组织血流分布模式，并且还存在pr 淘汰了一种用于该方法的装置。

6. 发明授权

US07597443B2 Wide viewing angle ocular fundus blood flow imaging device 有权
标题翻译：宽视角眼底血流成像装置
公开(公告)号：US07597443B2
公开(公告)日：2009-10-06
申请号：US11666606
申请日：2005-10-27
申请人： Hitoshi Fujii , Naoki Konishi
发明人： Hitoshi Fujii , Naoki Konishi
IPC分类号： A61B3/10 , A61B3/14
CPC分类号： A61B3/0091 , A61B3/1233
摘要： Provided is a wide viewing angle ocular fundus blood flow imaging device in which the measurement field of view is enlarged and which includes a projection system that turns a laser beam into a rectangular spot on the ocular fundus, an observation system that images the rectangular spot on an image sensor placed on the corresponding image plane, an observation optical system for carrying out positioning of the laser spot, and a mechanism for monitoring the movement of an ocular fundus blood vessel image.
摘要翻译：提供了一种宽视角眼底血流成像装置，其中测量视野被放大并且包括将激光束转换成眼底上的矩形斑点的投影系统，将矩形斑点成像的观察系统放置在对应的图像平面上的图像传感器，用于执行激光光斑定位的观察光学系统，以及用于监视眼底血管图像的移动的机构。

7. 发明授权

US07817256B2 Personal authentication method and personal authentication device utilizing finger-tip blood flow measurement by laser light 有权
标题翻译：使用通过激光进行指尖血流测量的个人认证方法和个人认证装置
公开(公告)号：US07817256B2
公开(公告)日：2010-10-19
申请号：US12280035
申请日：2007-01-09
申请人： Hitoshi Fujii , Naoki Konishi
发明人： Hitoshi Fujii , Naoki Konishi
IPC分类号： G06K9/74
CPC分类号： A61B5/1172 , A61B5/0261 , G06K9/00033 , G06K9/00899
摘要： A personal authentication method is provided that includes imaging, on an image sensor as a laser speckle using an optical system, light reflected from a blood vessel layer in subcutaneous and internal tissues when a laser beam is expanded and made to irradiate a finger pad, 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 a finger pad blood flow map as a two-dimensional map of the numerical values, and comparison-checking the blood flow map against pre-registered data of individuals, wherein using a near-infrared laser beam or using this in combination with a visible laser beam, comparison-checking against pre-registered data of individuals is carried out using a pattern reflecting a fingerprint occurring within the finger pad blood flow map obtained from reflected light and, observed superimposed thereon, an internal tissue blood flow distribution pattern, and there is also provided a device used for the method.
摘要翻译：提供一种个人认证方法，其包括在激光束被扩张并使其照射指垫时，使用光学系统在作为激光散斑的图像传感器上成像从皮肤组织和内部组织中的血管层反射的光，计算表示对于激光散斑的每个像素接收的光量相对于时间的变化率的量，获得作为数值的二维图的手指垫血流图，并且对血液进行比较检查流程图与个人的预先注册的数据相对应，其中使用近红外激光束或将其与可见激光束组合使用，使用反映在内部发生的指纹的图案进行与个人的预先登记数据的比较检查从反射光获得的指垫血流图，并且在其上重叠观察内部组织血流分布模式，并且还存在pr 淘汰了一种用于该方法的装置。

8. 发明申请

US20070291226A1 Wide Viewing Angle Ocular Fundus Blood Flow Imaging Device 有权
标题翻译：宽视角眼底血流成像装置
公开(公告)号：US20070291226A1
公开(公告)日：2007-12-20
申请号：US11666606
申请日：2005-10-27
申请人： Hitoshi Fujii , Naoki Konishi
发明人： Hitoshi Fujii , Naoki Konishi
IPC分类号： A61B3/12
CPC分类号： A61B3/0091 , A61B3/1233
摘要： With regard to a conventionally known ocular fundus blood flow imaging device, that is, a device in which the ocular fundus is irradiated with an expanded laser beam, light reflected from the ocular fundus is imaged on a 2-dimensional image sensor as a laser speckle, and a change over time of the laser speckle generated on the image plane is measured for each pixel to thus display an image as a blood flow map, a wide viewing angle ocular fundus blood flow imaging device in which the measurement field of view is enlarged includes a projection system that turns a laser beam into a rectangular spot on the ocular fundus, and an observation system that images the rectangular spot on an image sensor placed on the corresponding image plane. It is a clinically excellent and user-friendly wide viewing angle ocular fundus blood flow imaging device that is obtained by improving the conventional device in various aspects by incorporating an observation optical system for carrying out positioning of the laser spot, a mechanism for monitoring the movement of an ocular fundus blood vessel image, etc.
摘要翻译：关于常规已知的眼底血流成像装置，即其中用扩大的激光束照射眼底的装置，将从眼底反射的光成像为二维图像传感器作为激光散斑并且对于每个像素测量在像平面上产生的激光散斑的随时间变化，从而显示作为血流图的图像，其中测量视野被放大的宽视角眼底血流成像装置包括将激光束转换成眼底上的矩形斑点的投影系统，以及将放置在相应图像平面上的图像传感器上的矩形斑点成像的观察系统。它是一种临床上优秀且用户友好的广视角眼底血流成像装置，其通过结合用于执行激光点定位的观察光学系统在各个方面改进常规装置而获得，用于监视运动的机构眼底血管图像等

9. 发明申请

US20070177772A1 Method for acquiring personal identification data, personal identification method, apparatus for acquiring personal identification data, and personal identification apparatus 有权
标题翻译：用于获取个人识别数据的方法，个人识别方法，用于获取个人识别数据的装置和个人识别装置
公开(公告)号：US20070177772A1
公开(公告)日：2007-08-02
申请号：US11646349
申请日：2006-12-28
申请人： Hitoshi Fujii , Naoki Konishi
发明人： Hitoshi Fujii , Naoki Konishi
IPC分类号： G06K9/00
CPC分类号： G06K9/00114 , G06K9/00906
摘要： The present invention provides a method for acquiring personal identification data by extracting a ridge-and-recess pattern corresponding to a fingerprint or a knuckle joint and lines on a palm by utilizing characteristics by which subcutaneous bloodstream distribution is spatially modulated by the ridge-and-recess pattern on the surface when measuring a subcutaneous bloodstream distribution based on a bloodstream measuring technology utilizing laser scattering, and by acquiring the same as personal identification data based on living body information, and the same method for acquiring personal identification data includes the steps of: irradiating a laser beam onto at least a part of a fingertip surface or a palm; imaging reflection light from subcutaneous blood vessel layers at an irradiation spot to which a laser beam is irradiated by receiving the same on an image sensor as laser speckles; calculating a change ratio of a light-receiving amount at respective pixels of the laser speckles; preparing a two-dimensional bloodstream map of the irradiation spot based on the numerical values obtained in the step of calculating a change ratio of a light-receiving amount; and storing a ridge-and-recess pattern of the irradiation spot appearing in the two-dimensional bloodstream map as personal identification data.
摘要翻译：本发明提供了一种用于通过利用皮下血流分布由脊 - - 间隙空间调制的特征提取与指纹或指节关节相对应的脊凹凹部图案和手掌上的线来获取个人识别数据的方法，基于使用激光散射的血流测量技术测量皮下血流分布，并且通过基于生物体信息获取个人识别数据，并且获取个人识别数据的相同方法包括以下步骤：将激光束照射到指尖表面或手掌的至少一部分上; 通过在激光散斑的图像传感器上照射激光束的照射点处的皮下血管层成像反射光; 计算激光散斑的各个像素处的光接收量的变化率; 基于在计算受光量的变化率的步骤中获得的数值，准备照射点的二维血流图; 并存储出现在二维血流图中的照射点的脊凹凹部图案作为个人识别数据。

10. 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。

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