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    • 2. 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。
    • 3. 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。
    • 4. 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。
    • 5. 发明授权
    • Similarity calculation device, similarity calculation method, and program
    • 相似度计算装置,相似度计算方法和程序
    • US08855373B2
    • 2014-10-07
    • US13519307
    • 2010-12-15
    • Toshio KameiYoichi Nakamura
    • Toshio KameiYoichi Nakamura
    • G06K9/00
    • 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。
    • 8. 发明授权
    • Method and system for tracking a fast moving object
    • 跟踪快速移动物体的方法和系统
    • US06819778B2
    • 2004-11-16
    • US09820332
    • 2001-03-29
    • Toshio Kamei
    • Toshio Kamei
    • G06K900
    • G06T7/254G06T7/215
    • A moving object is detected by subtraction between successive frames produced by a video camera and a position and a size of the moving object are determined. Preceding and succeeding frames produced by the video camera are stored into respective memories and the panning, tilting and zooming functions of the video camera are controlled according to the determined position and size of the moving object. A motion compensation is performed on the preceding frame to compensate for a motion of background image caused by a tracking movement of the camera so that coordinates of the motion-compensated frame are transformed to coordinates of the succeeding frame. An image difference between the motion-compensated frame and the succeeding frame is extracted as a moving object and a position and a size of the extracted image are determined, with which the video camera is adaptively controlled.
    • 通过由摄像机产生的连续帧之间的减法和移动物体的位置和尺寸来确定移动物体。 由摄像机产生的前一帧和后续帧被存储到相应的存储器中,并且根据确定的移动物体的位置和尺寸来控制摄像机的平移,倾斜和变焦功能。 对前一帧执行运动补偿以补偿由相机的跟踪移动引起的背景图像的运动,使得运动补偿帧的坐标被变换为后续帧的坐标。 提取运动补偿帧和后续帧之间的图像差异作为运动对象,并且确定提取的图像的位置和大小,利用该图像摄像机进行自适应控制。
    • 9. 发明授权
    • Image feature extractor, an image feature analyzer and an image matching system
    • 图像特征提取器,图像特征分析器和图像匹配系统
    • US06243492B1
    • 2001-06-05
    • US09517317
    • 2000-03-02
    • Toshio Kamei
    • Toshio Kamei
    • G06K900
    • G06K9/4633G06K9/00087
    • For providing an efficient image pattern matching system, an image feature extractor (11) of the invention comprises a feature vector extraction means (101) for extracting a feature vector from the pattern image, a quality index extraction means (106) for extracting quality index information of the pattern image, an error distribution information storing means (105) wherein error distribution information representing correlation between error distribution of the feature vector and the quality index information is prepared, and a confidence attribution means (107) for obtaining confidence estimation information referring to the error distribution information retrieved with the quality index information. The image feature analyzer (51) prepares the errors distribution information. An image feature matching system collates feature information of an image pattern extracted by the image feature extractor (11) by comparing it to registered feature information.
    • 为了提供一种高效的图像模式匹配系统,本发明的图像特征提取器(11)包括一个用于从图形图像中提取特征向量的特征向量提取装置(101),用于提取质量指数的质量指标提取装置 模式图像的信息,准备表示特征矢量的误差分布与质量指标信息的相关性的误差分布信息的误差分布信息存储装置,以及用于获取置信度估计信息的置信归属装置(107) 涉及使用质量指标信息检索的误差分布信息。 图像特征分析器(51)准备错误分布信息。 图像特征匹配系统通过将图像特征提取器(11)提取的图像图案的特征信息与登记的特征信息进行比较来对照特征信息。