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    • 3. 发明授权
    • Collating device, collating method, and program
    • 整理装置,整理方法和程序
    • US08712190B2
    • 2014-04-29
    • US13123473
    • 2009-10-09
    • Yoichi NakamuraToshio Kamei
    • Yoichi NakamuraToshio Kamei
    • G06K9/32
    • G06K9/00067A61B5/117A61B5/7257G06T7/12G06T7/60G06T2207/30172
    • Provided are a collating device, a processing method and a collation program, in which a reference line is extracted from an image and each partial image is moved in a manner that the reference line becomes a predetermined one thereby to correct the image, and in which the corrected image is collated so that an authentication result can be obtained for a short time period without any rotating operation. At first, a reference line extracting unit extracts the center line or the contour line of the image as the reference line. Next, an image correcting unit moves each partial image in parallel thereby to correct the image so that the reference line obtained by the reference line extracting unit becomes a predetermined one. Moreover, an image collating unit collates the image corrected by the image correcting unit and a predetermined image to acquire an authentication result.
    • 提供了一种对照装置,处理方法和对照程序,其中从图像中提取参考线,并且每个部分图像以参考线变为预定的方式移动,从而校正图像,并且其中 校正后的图像进行整理,从而能够在没有任何旋转操作的情况下在短时间内获得认证结果。 首先,参考线提取单元提取图像的中心线或轮廓线作为基准线。 接下来,图像校正单元平行移动每个部分图像,从而校正图像,使得由参考线提取单元获得的参考线变为预定的图像。 此外,图像对照单元将由图像校正单元校正的图像和预定图像进行对照以获得认证结果。
    • 4. 发明申请
    • SIMILARITY CALCULATION DEVICE, SIMILARITY CALCULATION METHOD, AND PROGRAM
    • 类似的计算设备,类似的计算方法和程序
    • US20120294492A1
    • 2012-11-22
    • US13519307
    • 2010-12-15
    • Toshio KameiYoichi Nakamura
    • Toshio KameiYoichi Nakamura
    • G06K9/68
    • G06K9/6203G06K9/6205
    • The similarity calculation device is provided with a displacement vector estimation unit 101 for estimating a displacement vector between a first local region set in a first image, and a second local region which is most similar to the first local region in a second image, a geometric transformation parameter estimation unit 102 for estimating a geometric transformation parameter which geometrically transforms the first image into the second image, a displacement vector correction unit 103 for correcting the displacement vector based on the geometric transformation parameter, a scoring unit 104 for scoring the displacement vector, corrected by the displacement vector correction unit 103, in a two-dimensional space and creating a scored image, a peak detection unit 105 for detecting a peak in the scored image, and a similarity calculation unit 106 for calculating a similarity of the first image and the second image according to a size of the peak.
    • 相似度计算装置设置有位移矢量估计单元101,用于估计在第一图像中设置的第一局部区域和与第二图像中的第一局部区域最相似的第二局部区域之间的位移矢量,几何 用于估计将第一图像几何变换为第二图像的几何变换参数的变换参数估计单元102,用于基于几何变换参数校正位移矢量的位移矢量校正单元103,用于对位移矢量进行评分的刻划单元104, 由位移矢量校正单元103在二维空间中校正并创建刻痕图像,用于检测刻痕图像中的峰值的峰值检测单元105以及用于计算第一图像和第二图像的相似度的相似度计算单元106, 第二个图像根据峰值的大小。
    • 5. 发明申请
    • COLLATING DEVICE, COLLATING METHOD, AND PROGRAM
    • 收尾设备,收尾方法和程序
    • US20110194776A1
    • 2011-08-11
    • US13123473
    • 2009-10-09
    • Yoichi NakamuraToshio Kamei
    • Yoichi NakamuraToshio Kamei
    • G06K9/46
    • G06K9/00067A61B5/117A61B5/7257G06T7/12G06T7/60G06T2207/30172
    • Provided are a collating device, a processing method and a collation program, in which a reference line is extracted from an image and each partial image is moved in a manner that the reference line becomes a predetermined one thereby to correct the image, and in which the corrected image is collated so that an authentication result can be obtained for a short time period without any rotating operation. At first, a reference line extracting unit extracts the center line or the contour line of the image as the reference line. Next, an image correcting unit moves each partial image in parallel thereby to correct the image so that the reference line obtained by the reference line extracting unit becomes a predetermined one. Moreover, an image collating unit collates the image corrected by the image correcting unit and a predetermined image to acquire an authentication result.
    • 提供了一种对照装置,处理方法和对照程序,其中从图像中提取参考线,并且每个部分图像以参考线变为预定的方式移动,从而校正图像,并且其中 校正后的图像进行整理,从而能够在没有任何旋转操作的情况下在短时间内获得认证结果。 首先,参考线提取单元提取图像的中心线或轮廓线作为基准线。 接下来,图像校正单元平行移动每个部分图像,从而校正图像,使得由参考线提取单元获得的参考线变为预定的图像。 此外,图像对照单元将由图像校正单元校正的图像和预定图像进行对照以获得认证结果。
    • 7. 发明授权
    • Method of smoothing a ridge direction pattern and an equipment used
therefor
    • 平滑山脊方向图案的方法及其使用的设备
    • US5608811A
    • 1997-03-04
    • US1676
    • 1993-01-07
    • Toshio Kamei
    • Toshio Kamei
    • G06T5/30G06K9/00G06T7/00
    • G06K9/00067
    • An energy function is defined as a linear sum of a discrepancy evaluation function and a dispersion evaluation function. Direction variables of all the subregions of a ridge direction pattern are variables of both evaluation functions. Direction variables are successively renovated along a line on which the energy function becomes minimum for a change of a concerned variable keeping all other variables unchanged. Reliabilities of initial directions in all the subregions are included as coefficients in the discrepancy evaluation function, and a higher reliability of an initial direction constrains the directional difference between the initial direction and the corresponding direction variable in a smaller amount. A set of variables which makes the energy function minimum is taken as a set of smoothed ridge direction pattern.
    • 能量函数被定义为差异评估函数和色散评估函数的线性和。 脊方向图的所有子区域的方向变量是两个评估函数的变量。 方向变量沿着能量函数变为最小值的线连续更新,以改变有关变量,保持所有其他变量不变。 所有子区域中的初始方向的可靠性被包括在差异评估函数中作为系数,并且初始方向的较高可靠性限制了较小量的初始方向和对应方向变量之间的方向差。 将能量函数最小化的一组变量作为一组平滑的脊方向图。
    • 9. 发明申请
    • IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND IMAGE PROCESSING PROGRAM
    • 图像处理设备,图像处理方法和图像处理程序
    • US20130136327A1
    • 2013-05-30
    • US13816441
    • 2011-08-02
    • Toshio Kamei
    • Toshio Kamei
    • G06T7/00
    • G06T7/0012A61B5/117A61B5/1172A61B5/489G06K9/0008G06K9/00892G06K2009/0006G06K2009/00932
    • To separate biological patterns more efficiently and effectively.[Solution] An image processing apparatus according to the present invention is characterized by comprising: an image obtaining means for obtaining an image in which a first biological pattern and a second biological pattern having different textures are superimposed; a normalizing means for normalizing density of the image on the basis of an average and a standard deviation of pixel values inside a local region in the image using a parameter in accordance with difference in texture between the first biological pattern and the second biological pattern to thereby separate the first biological pattern and the second biological pattern in the image; and a pattern collating means for collating a known pattern for collation with each of the first biological pattern and the second biological pattern separated by the normalizing means.
    • 更有效地分离生物模式。 [解决方案]根据本发明的图像处理装置的特征在于包括:图像获取装置,用于获得其中叠加了具有不同纹理的第一生物图案和第二生物图案的图像; 归一化装置,用于根据第一生物图案和第二生物图案之间的纹理差异的参数,基于图像中的局部区域内的像素值的平均值和标准偏差来对图像的浓度进行归一化,从而 分离图像中的第一生物模式和第二生物模式; 以及图案对照装置,用于对照已知图案以与用于归一化装置分隔的第一生物图案和第二生物图案中的每一个进行核对。
    • 10. 发明申请
    • BIOMETRIC AUTHENTICATION DEVICE, BIOMETRIC AUTHENTICATION METHOD, AND STORAGE MEDIUM
    • 生物识别装置,生物识别方法和存储介质
    • US20100328033A1
    • 2010-12-30
    • US12918720
    • 2009-01-19
    • Toshio Kamei
    • Toshio Kamei
    • G06F7/04
    • G06K9/00006A61B8/0875G06K9/00362G06K2009/00939G07C9/00158H04M1/67
    • Provided is a biometric authentication device that can enhance usability, suppress deterioration of authentication accuracy due to ambient noise, and increase tolerance to wiretapping. A biometric authentication device generates a signal pattern toward a living body by using a signal pattern generating means 11, and transmits the signal pattern to the living body in accordance with the signal pattern by a signal transmitting means 12. Further, the device receives a response signal transmitted through the living body by a signal receiving means 13. The device then calculates transfer feature in accordance with the signal pattern and the response signal by a transfer feature calculating means 14. Further, the device extracts and collates a feature amount in accordance with the transfer features.
    • 提供了一种可以提高可用性的生物认证设备,抑制由于环境噪声导致的认证精度的恶化,并增加对窃听的容忍度。 生物体认证装置通过使用信号图案生成装置11向生物体生成信号图案,并且通过信号发送装置12将信号图案根据信号图案发送到生物体。此外,装置接收响应 信号通过信号接收装置13通过生物体传输。然后,装置根据传输特征计算装置14根据信号模式和响应信号计算传送特征。此外,装置根据 传输功能。