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1. 发明授权

US06195460B1 Pattern extraction apparatus 失效
标题翻译：模式提取装置
公开(公告)号：US06195460B1
公开(公告)日：2001-02-27
申请号：US09297537
申请日：1999-04-30
申请人： Koji Kobayashi , Hiroshi Nakajima , Takafumi Aoki , Masayuki Kawamata , Tatsuo Higuchi
发明人： Koji Kobayashi , Hiroshi Nakajima , Takafumi Aoki , Masayuki Kawamata , Tatsuo Higuchi
IPC分类号： G06K946
CPC分类号： G06K9/522
摘要： Collation Fourier image data (FIG. 1D) FB generated by performing the two-dimensional discrete Fourier transform (DFT) for the image data (FIG. 1C) of a collation pattern is synthesized with registration Fourier image data (FIG. 1B) generated by performing the two-dimensional DFT for the image data of a registration pattern. After amplitude suppression processing is performed for the resultant data, two-dimensional DFT is performed. A correlation peak is extracted from a correlation component area which appears in the synthesized Fourier image data (FIG. 1E) for which the two-dimensional DFT has been performed. A predetermined area including this correlation peak is then masked (FIG. 1F). The two-dimensional DFT is performed for the masked synthesized Fourier image data, and amplitude restoration processing is performed for the data. The resultant data is re-synthesized with the registration Fourier image data FA, and the two-dimensional IDFT is performed for the synthesized data. With this processing, image data containing a difference pattern like the one shown in FIG. 1G or a moving pattern can be obtained.
摘要翻译：通过对核对图案的图像数据（图1C）执行二维离散付里叶变换（DFT）生成的核对付里叶图像数据（图1D），由登记付里叶图象数据（图1B）合成，对注册图案的图像数据执行二维DFT。在对所得数据进行幅度压缩处理之后，执行二维DFT。从出现在执行了二维DFT的合成付里叶图像数据（图1E）中的相关分量区域提取相关峰值。然后掩蔽包括该相关峰的预定区域（图1F）。对被掩蔽的合成付里叶图像数据执行二维DFT，并且对数据执行幅度恢复处理。所得到的数据与登记付里叶图象数据FA重新合成，并且对合成数据执行二维IDFT。通过该处理，包含类似于图1所示的差异模式的图像数据。可以获得1G或移动图案。

2. 发明授权

US5915034A Pattern collation apparatus based on spatial frequency characteristics 失效
标题翻译：基于空间频率特征的模式对照装置
公开(公告)号：US5915034A
公开(公告)日：1999-06-22
申请号：US638430
申请日：1996-04-26
申请人： Hiroshi Nakajima , Koji Kobayashi , Masayuki Kawamata , Takafumi Aoki , Tatsuo Higuchi
发明人： Hiroshi Nakajima , Koji Kobayashi , Masayuki Kawamata , Takafumi Aoki , Tatsuo Higuchi
IPC分类号： G06K9/00 , G06K9/62 , G06K9/82
CPC分类号： G06K9/001
摘要： In a pattern processing apparatus, a registration data preparation unit performs two-dimensional discrete Fourier transform of image data of a registration pattern to prepare registration Fourier image data. A collation data preparation unit performs two-dimensional discrete Fourier transform of image data of a collation pattern to prepare collation Fourier image data. A data synthesizing unit synthesizes the registration Fourier image data with the collation Fourier image data, both of which consist of phase and amplitude information, to output first synthesized Fourier image data. An image processing unit performs Fourier transform of the first synthesized Fourier image data to output second synthesized Fourier image data representing intensities of correlation components. A pattern collation unit collates the registration pattern with the collation pattern on the basis of the intensities of the correlation components of pixels in a correlation component area set in the second synthesized Fourier image data. An amplitude suppressing processing unit performs amplitude suppressing processing of one of the registration/collation Fourier image data and the first synthesized Fourier image data to extract only the phase information.
摘要翻译：在图案处理装置中，登记数据准备部对登记图案的图像数据进行二维离散付里叶变换，以准备登记付里叶图象数据。核对数据准备单元对核对图案的图像数据进行二维离散付里叶变换，以制作核对付里叶图象数据。数据合成单元将注册付里叶图像数据与由相位和幅度信息组成的核对付里叶图像数据合成，以输出第一合成付里叶图像数据。图像处理单元执行第一合成付里叶图像数据的付里叶变换以输出表示相关分量的强度的第二合成付里叶图像数据。基于第二合成付里叶图像数据中设定的相关分量区域中的像素的相关分量的强度，模式核对单元将注册模式与核对模式进行核对。幅度抑制处理单元进行登记/核对付里叶图象数据和第一合成付里叶图象数据之一的幅度抑制处理，仅提取相位信息。

3. 发明申请

US20090304266A1 CORRESPONDING POINT SEARCHING METHOD AND THREE-DIMENSIONAL POSITION MEASURING METHOD 有权
标题翻译：相应的点搜索方法和三维位置测量方法
公开(公告)号：US20090304266A1
公开(公告)日：2009-12-10
申请号：US12513846
申请日：2007-11-09
申请人： Takafumi Aoki , Takuma Shibahara , Hiroshi Nakajima , Koji Kobayashi , Atsushi Katsumata
发明人： Takafumi Aoki , Takuma Shibahara , Hiroshi Nakajima , Koji Kobayashi , Atsushi Katsumata
IPC分类号： G06K9/00
CPC分类号： G01C11/06 , G06K9/32 , G06T7/593 , G06T7/97 , G06T2207/30201
摘要： A plurality of images (I, J) of an object (M) when viewed from different viewpoints are taken in. One of the images is set as a standard image (I), and the other image is set as a reference image (J). One-dimensional pixel data strings with a predetermined width (W) are cut out from the standard image (I) and the reference image (J) along epipolar lines (EP1, EP2) calculated from a camera parameter (CPR) and the reference point (p). Calculating a phase-only correlation function from the cut one-dimensional pixel data strings will obtain a correlation peak position (Pa1). A positional shift amount (d) from the correlation peak position (Pa1) is obtained. A search is made for a corresponding point (q) corresponding to the reference point (p) based on this position shift amount (d).
摘要翻译：摄取从不同视点观看的物体（M）的多个图像（I，J）。其中一个图像被设置为标准图像（I），另一个图像被设置为参考图像（J ）。根据从摄像机参数（CPR）和参考点（CPR）计算的沿极线（EP1，EP2）从标准图像（I）和参考图像（J）切出具有预定宽度（W）的一维像素数据串（p）。从切割的一维像素数据串中计算相位相关函数将获得相关峰值位置（Pa1）。从相关峰值位置（Pa1）获得位置偏移量（d）。基于该位置偏移量（d），对与基准点（p）对应的对应点（q）进行搜索。

4. 发明授权

US08355564B2 Corresponding point searching method and three-dimensional position measuring method 有权
标题翻译：对应点搜索方法和三维位置测量方法
公开(公告)号：US08355564B2
公开(公告)日：2013-01-15
申请号：US12513846
申请日：2007-11-09
申请人： Takafumi Aoki , Takuma Shibahara , Hiroshi Nakajima , Koji Kobayashi , Atsushi Katsumata
发明人： Takafumi Aoki , Takuma Shibahara , Hiroshi Nakajima , Koji Kobayashi , Atsushi Katsumata
IPC分类号： G06K9/00
CPC分类号： G01C11/06 , G06K9/32 , G06T7/593 , G06T7/97 , G06T2207/30201
摘要： A plurality of images (I, J) of an object (M) when viewed from different viewpoints are taken in. One of the images is set as a standard image (I), and the other image is set as a reference image (J). One-dimensional pixel data strings with a predetermined width (W) are cut out from the standard image (I) and the reference image (J) along epipolar lines (EP1, EP2) calculated from a camera parameter (CPR) and the reference point (p). Calculating a phase-only correlation function from the cut one-dimensional pixel data strings will obtain a correlation peak position (Pa1). A positional shift amount (d) from the correlation peak position (Pa1) is obtained. A search is made for a corresponding point (q) corresponding to the reference point (p) based on this position shift amount (d).
摘要翻译：摄取从不同视点观看的物体（M）的多个图像（I，J）。其中一个图像被设置为标准图像（I），另一个图像被设置为参考图像（J ）。根据从摄像机参数（CPR）和参考点（CPR）计算的沿极线（EP1，EP2）从标准图像（I）和参考图像（J）切出具有预定宽度（W）的一维像素数据串（p）。从切割的一维像素数据串中计算相位相关函数将获得相关峰值位置（Pa1）。从相关峰值位置（Pa1）获得位置偏移量（d）。基于该位置偏移量（d），对与基准点（p）对应的对应点（q）进行搜索。

5. 发明授权

US08155395B2 Iris authentication apparatus 有权
标题翻译：虹膜认证设备
公开(公告)号：US08155395B2
公开(公告)日：2012-04-10
申请号：US11495326
申请日：2006-07-28
申请人： Koji Kobayashi , Atsushi Katsumata , Hiroshi Nakajima , Kazuyuki Miyazawa , Koichi Ito , Takafumi Aoki
发明人： Koji Kobayashi , Atsushi Katsumata , Hiroshi Nakajima , Kazuyuki Miyazawa , Koichi Ito , Takafumi Aoki
IPC分类号： G06K9/00
CPC分类号： G06K9/0061 , G06K9/522
摘要： An iris authentication apparatus includes an iris area extraction unit, registration pattern generating unit, collation pattern generating unit, and collation unit. The iris area extraction unit extracts iris areas from a sensed registration eyeball image and a sensed collation eyeball image. When the iris area extraction unit extracts an iris area from the registration eyeball image, the registration pattern generating unit generates a registration iris pattern image by performing polar coordinate transformation of an image in the extracted iris area. When the iris area extraction unit extracts an iris area from the collation eyeball image, the collation pattern generating unit generates a collation iris pattern image by performing polar coordinate transformation of an image in the extracted iris area. The collation unit collates the registration iris pattern image output from the registration pattern generating unit and the collation iris pattern image output from the collation pattern generating unit on the basis of a correlation therebetween.
摘要翻译：虹膜认证装置包括光圈区域提取单元，注册图案生成单元，对比图案生成单元和对照单元。虹膜区域提取单元从感测到的注册眼球图像和感测的对照眼球图像中提取虹膜区域。当虹膜区域提取单元从登记眼球图像中提取虹膜区域时，登记图案生成单元通过对提取的虹膜区域中的图像进行极坐标变换来生成登记虹膜图案图像。当虹膜区域提取单元从排序规则眼球图像中提取虹膜区域时，核对图案生成单元通过对提取的虹膜区域中的图像进行极坐标变换来生成排序规则虹膜图案图像。对照单元根据它们之间的相关性对照从注册图案生成单元输出的登记虹膜图案图像和从核对图案生成单元输出的对照光圈图案图像。

6. 发明申请

US20070025598A1 Iris authentication apparatus 有权
标题翻译：虹膜认证设备
公开(公告)号：US20070025598A1
公开(公告)日：2007-02-01
申请号：US11495326
申请日：2006-07-28
申请人： Koji Kobayashi , Atsushi Katsumata , Hiroshi Nakajima , Kazuyuki Miyazawa , Koichi Ito , Takafumi Aoki
发明人： Koji Kobayashi , Atsushi Katsumata , Hiroshi Nakajima , Kazuyuki Miyazawa , Koichi Ito , Takafumi Aoki
IPC分类号： G06K9/00
CPC分类号： G06K9/0061 , G06K9/522
摘要： An iris authentication apparatus includes an iris area extraction unit, registration pattern generating unit, collation pattern generating unit, and collation unit. The iris area extraction unit extracts iris areas from a sensed registration eyeball image and a sensed collation eyeball image. When the iris area extraction unit extracts an iris area from the registration eyeball image, the registration pattern generating unit generates a registration iris pattern image by performing polar coordinate transformation of an image in the extracted iris area. When the iris area extraction unit extracts an iris area from the collation eyeball image, the collation pattern generating unit generates a collation iris pattern image by performing polar coordinate transformation of an image in the extracted iris area. The collation unit collates the registration iris pattern image output from the registration pattern generating unit and the collation iris pattern image output from the collation pattern generating unit on the basis of a correlation therebetween.
摘要翻译：虹膜认证装置包括光圈区域提取单元，注册图案生成单元，对比图案生成单元和对照单元。虹膜区域提取单元从感测到的注册眼球图像和感测的对照眼球图像中提取虹膜区域。当虹膜区域提取单元从登记眼球图像中提取虹膜区域时，登记图案生成单元通过对提取的虹膜区域中的图像进行极坐标变换来生成登记虹膜图案图像。当虹膜区域提取单元从排序规则眼球图像中提取虹膜区域时，核对图案生成单元通过对提取的虹膜区域中的图像进行极坐标变换来生成排序规则虹膜图案图像。对照单元根据它们之间的相关性对照从注册图案生成单元输出的登记虹膜图案图像和从核对图案生成单元输出的对照光圈图案图像。

7. 发明授权

US6094499A Pattern collation apparatus 失效
标题翻译：图案校验装置
公开(公告)号：US6094499A
公开(公告)日：2000-07-25
申请号：US918179
申请日：1997-08-25
申请人： Hiroshi Nakajima , Koji Kobayashi
发明人： Hiroshi Nakajima , Koji Kobayashi
IPC分类号： G06K9/00
CPC分类号： G06K9/00087
摘要： A pattern collation apparatus is designed to identify a registration pattern and a collation pattern as identical patterns or not even with a rotation offset between the registration pattern and the collation pattern. The image data of a registration fingerprint is rotated through m.multidot.a degrees, and two-dimensional discrete Fourier transform is performed for the resultant image data to obtain registration Fourier image data. The registration Fourier image data with m=-90 to +90 are filed as registration Fourier image data. In collation processing, registration Fourier image data are read out from the registration Fourier image data in units of patterns, and each registration Fourier image data is synthesized with the collation Fourier image data, thereby performing collation between the registration fingerprint and the collation fingerprint.
摘要翻译：图案对比装置被设计为将注册图案和核对图案识别为相同的图案，或者即使在注册图案和对比图案之间具有旋转偏移。登记指纹的图像数据通过mxa度旋转，对所得到的图像数据进行二维离散付里叶变换，得到登记付里叶图像数据。具有m = -90至+90的登记付里叶图象数据作为登记付里叶图象数据进行归档。在核对处理中，从注册付里叶图象数据中以模式为单位读出登记付里叶图象数据，并且每个注册付里叶图象数据与核对付里叶图象数据合成，从而执行登记指纹和核对指纹之间的对照。

8. 发明授权

US6148270A Fast target distance measuring device and high-speed moving image measuring device 失效
标题翻译：快速目标距离测量装置和高速运动图像测量装置
公开(公告)号：US6148270A
公开(公告)日：2000-11-14
申请号：US961552
申请日：1997-10-30
申请人： Hiroshi Nakajima , Koji Kobayashi
发明人： Hiroshi Nakajima , Koji Kobayashi
IPC分类号： G01B11/02 , G01S11/12 , G06T7/00 , G06K9/62 , G01B11/24
CPC分类号： G01S11/12 , G01B11/026 , G06T7/0075
摘要： A distance measuring device includes first and second cameras, first and second Fourier pattern data generating sections, a pattern processing section, and a distance measuring section. The two cameras are spaced apart from each other by a predetermined distance. The first Fourier pattern data generating section generates first two-dimensional Fourier pattern data by performing two-dimensional discrete Fourier transform for image data picked up by the first camera as first pattern data. The second Fourier pattern data generating section generates second Fourier two-dimensional pattern data by performing two-dimensional discrete Fourier transform for image data picked up by the second camera as second pattern data. The pattern processing section synthesizes the first and second Fourier two-dimensional pattern data, and performs either two-dimensional discrete Fourier transform or two-dimensional discrete inverse Fourier transform for the synthesized data. The distance measuring section obtains a correlation peak in a range excluding a portion near a reference position in a correlation component area appearing in the synthesized Fourier two-dimensional pattern data, and measures the distance to a target on the basis of the distance from a reference position in the correlation component area to the position of the correlation peak.
摘要翻译：距离测量装置包括第一和第二相机，第一和第二傅里叶图案数据产生部分，图案处理部分和距离测量部分。两个照相机彼此隔开预定距离。第一傅里叶图案数据生成部通过对由第一相机拾取的图像数据进行二维离散付里叶变换来生成第一二维傅里叶图案数据作为第一图案数据。第二傅里叶图案数据生成部通过对由第二照相机拾取的图像数据进行二维离散付里叶变换来生成第二傅里叶二维图案数据作为第二图案数据。图案处理部合成第一和第二傅立叶二维图案数据，并对合成数据进行二维离散付里叶变换或二维离散付里叶逆变换。距离测量部分在出现在合成付里叶二维图案数据中的相关分量区域中的除了基准位置附近的部分之外的范围内获得相关峰值，并且基于距基准的距离来测量到目标的距离相关分量区域中的位置与相关峰值的位置。

9. 发明授权

US6067367A Moving direction measuring device and tracking apparatus 失效
标题翻译：移动方向测量装置和跟踪装置
公开(公告)号：US6067367A
公开(公告)日：2000-05-23
申请号：US959380
申请日：1997-10-28
申请人： Hiroshi Nakajima , Koji Kobayashi
发明人： Hiroshi Nakajima , Koji Kobayashi
IPC分类号： G06T7/20 , H04N13/00 , G06K9/00 , G06K9/36 , H04N7/18
CPC分类号： H04N13/0221 , G06T7/206 , H04N13/0239 , G06T2207/10012 , H04N2013/0081
摘要： A moving direction measuring device includes a collation Fourier pattern data generating section, a registration Fourier pattern data generating section, a pattern processing section, and a moving direction measuring section. The collation Fourier pattern data generating section generates collation Fourier two-dimensional pattern data by performing two-dimensional discrete Fourier transform for two-dimensional pattern data input at time T.sub.n. The registration Fourier pattern data generating section generates registration Fourier two-dimensional pattern data by performing two-dimensional discrete Fourier transform for two-dimensional pattern data input at time T.sub.n+1. The pattern processing section synthesizes these Fourier two-dimensional pattern data, and performs either two-dimensional discrete Fourier transform or two-dimensional discrete inverse Fourier transform for the resultant data. The moving direction measuring section obtains a correlation peak in a correlation component area appearing in the synthesized Fourier two-dimensional pattern data having undergone Fourier transform performed by the pattern processing section, and obtains a direction from a reference position in the correlation component area to a position of the correlation peak as a moving direction of the device.
摘要翻译：移动方向测量装置包括核对付里叶图案数据产生部分，登记付里叶图案数据产生部分，图案处理部分和移动方向测量部分。核对付里叶图案数据生成部分通过对在时间Tn输入的二维图案数据进行二维离散付里叶变换来生成核对付里叶二维图案数据。登记付里叶图案数据生成部通过对在时刻Tn + 1输入的二维图案数据进行二维离散付里叶变换来生成登记付里叶二维图案数据。图案处理部合成这些傅立叶二维图案数据，对所得到的数据进行二维离散付里叶变换或二维离散付里叶逆变换。移动方向测量部分获得在由图案处理部分执行的经傅立叶变换的合成付里叶二维图案数据中出现的相关分量区域中的相关峰值，并获得从相关分量区域中的参考位置到相关峰的位置作为装置的移动方向。

10. 发明授权

US11712853B2 Three-dimensional apparatus and method outputting quality information of fabricated three-dimensional objects 有权
公开(公告)号：US11712853B2
公开(公告)日：2023-08-01
申请号：US17219968
申请日：2021-04-01
申请人： Koji Kobayashi , Hanae Itabashi
发明人： Koji Kobayashi , Hanae Itabashi
IPC分类号： G05B19/4099 , B29C64/393
CPC分类号： B29C64/393 , G05B19/4099
摘要： A data output apparatus includes first circuitry configured to acquire predetermined information used for a three-dimensional fabrication; and second circuitry configured to output quality information for a three-dimensional object fabricated during the three-dimensional fabrication based on the predetermined information.

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