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    Device and method for position measurement
    1.
    发明申请
    Device and method for position measurement 有权
    位置测量装置和方法

    公开(公告)号：US20080095402A1

    公开(公告)日：2008-04-24

    申请号：US11905404

    申请日：2007-09-28

    申请人： Nobuo Kochi ,  Tetsuji Anai ,  Hitoshi Otani ,  Hirokazu Sato

    发明人： Nobuo Kochi ,  Tetsuji Anai ,  Hitoshi Otani ,  Hirokazu Sato

    IPC分类号： G06K9/00

    CPC分类号： G01C11/00 ,  G01C11/10 ,  G01C21/005 ,  G01C21/165 ,  G06T7/248 ,  G06T7/593 ,  G06T7/74 ,  G06T2207/10021 ,  G06T2207/30252

    摘要： A position measurement device is provided that can precisely measure the photographing position or posture of a photographing device or the coordinates of an object based on sequentially changing photographed images. A position measuring device 100 of the invention comprises: an image acquisition section 2 for acquiring a series of photographed images changing continuously or little by little along with position displacement relative to an object to be photographed; a positional relationship measurement section 9 for measuring position displacement and posture change of the image acquisition section 2; a feature extraction section 3 for extracting feature points from the photographed images obtained with the image acquisition section 2; a feature point tracking section 4 for tracking the feature points by searching corresponding points corresponding to the feature points on a plurality of the photographed images; an image selection section 61 for selecting an image to be processed from the series of photographed images based on a measurement result made with the positional relationship measurement section 9; and a position measurement section 7 for measuring the photographing position and the photographing posture of the image acquisition section 2 based on the image to be processed selected with the image selection section 61.

    摘要翻译： 提供一种位置测量装置，其可以基于顺序地改变拍摄的图像来精确地测量拍摄装置的拍摄位置或姿势或对象的坐标。 本发明的位置测量装置100包括：图像获取部分2，用于获取连续或一点一点地连续变化的拍摄图像以及相对于被拍摄对象的位置位移; 用于测量图像获取部分2的位置偏移和姿势变化的位置关系测量部分9; 特征提取部分3，用于从由图像获取部分2获得的拍摄图像中提取特征点; 特征点跟踪部分4，用于通过搜索与多个拍摄图像上的特征点相对应的对应点来跟踪特征点; 图像选择部分61，用于基于由位置关系测量部分9进行的测量结果从一系列拍摄的图像中选择要处理的图像; 以及位置测量部分7，用于基于通过图像选择部分61选择的要处理的图像来测量图像获取部分2的拍摄位置和拍摄姿势。

    Image processing device and method
    2.
    发明授权
    Image processing device and method 有权
    图像处理装置及方法

    公开(公告)号：US07860276B2

    公开(公告)日：2010-12-28

    申请号：US11567909

    申请日：2006-12-07

    申请人： Tetsuji Anai ,  Nobuo Kochi ,  Hitoshi Otani ,  Hirokazu Sato

    发明人： Tetsuji Anai ,  Nobuo Kochi ,  Hitoshi Otani ,  Hirokazu Sato

    IPC分类号： G06K9/00 ,  G03B17/00

    CPC分类号： G06T7/33

    摘要： A technique is provided that can precisely measure the photographing position and posture of a photographing device and the coordinates of an object from moving images or photographed images that sequentially change gradually, even in the case with the need to process the sway of the photographing device and the disappearance and reappearance of characteristic points. An image processing device 100 according to the present invention includes: a photographed image acquisition 2 section for sequentially acquiring photographed images, that change gradually, of a relatively moving object; a characteristic extraction section 3 for extracting characteristic points from a photographed image acquired with the photographed image acquisition section; a characteristic point tracking section 4 for searching a plurality of the photographed images acquired before or after the photographed image from which the characteristic points have been extracted, for candidate corresponding points corresponding to the characteristic points, to keep track of the characteristic points; and a processing section 5 for determining corresponding points from the candidate corresponding points based on tracking results to calculate coordinates of a photographing position or the object using the determined corresponding points.

    摘要翻译： 提供一种技术，即使在需要处理拍摄装置的摆动的情况下，也可以精确地测量拍摄装置的拍摄位置和姿势以及从逐渐变化的运动图像或拍摄图像的对象的坐标，以及 特征点的消失和再现。 根据本发明的图像处理装置100包括：拍摄图像获取2部分，用于顺序地获取相对移动的对象逐渐变化的拍摄图像; 特征提取部3，用于从由拍摄图像获取部获取的拍摄图像中提取特征点; 特征点追踪部分4，用于搜索在提取了特征点的拍摄图像之前或之后获取的多个拍摄图像，用于跟踪特征点的候选对应点，以跟踪特征点; 以及处理部分5，用于基于跟踪结果确定来自候选对应点的对应点，以使用所确定的相应点来计算拍摄位置​​或对象的坐标。

    Device and method for position measurement
    3.
    发明授权
    Device and method for position measurement 有权
    位置测量装置和方法

    公开(公告)号：US07860273B2

    公开(公告)日：2010-12-28

    申请号：US11905404

    申请日：2007-09-28

    申请人： Nobuo Kochi ,  Tetsuji Anai ,  Hitoshi Otani ,  Hirokazu Sato

    发明人： Nobuo Kochi ,  Tetsuji Anai ,  Hitoshi Otani ,  Hirokazu Sato

    IPC分类号： G06K9/00 ,  H04N5/225

    CPC分类号： G01C11/00 ,  G01C11/10 ,  G01C21/005 ,  G01C21/165 ,  G06T7/248 ,  G06T7/593 ,  G06T7/74 ,  G06T2207/10021 ,  G06T2207/30252

    摘要： A position measurement device is provided that can precisely measure the photographing position or posture of a photographing device or the coordinates of an object based on sequentially changing photographed images. A position measuring device 100 of the invention comprises: an image acquisition section 2 for acquiring a series of photographed images changing continuously or little by little along with position displacement relative to an object to be photographed; a positional relationship measurement section 9 for measuring position displacement and posture change of the image acquisition section 2; a feature extraction section 3 for extracting feature points from the photographed images obtained with the image acquisition section 2; a feature point tracking section 4 for tracking the feature points by searching corresponding points corresponding to the feature points on a plurality of the photographed images; an image selection section 61 for selecting an image to be processed from the series of photographed images based on a measurement result made with the positional relationship measurement section 9; and a position measurement section 7 for measuring the photographing position and the photographing posture of the image acquisition section 2 based on the image to be processed selected with the image selection section 61.

    摘要翻译： 提供一种位置测量装置，其可以基于顺序地改变拍摄的图像来精确地测量拍摄装置的拍摄位置或姿势或对象的坐标。 本发明的位置测量装置100包括：图像获取部分2，用于获取连续或一点一点地连续变化的拍摄图像以及相对于被拍摄对象的位置位移; 用于测量图像获取部分2的位置偏移和姿势变化的位置关系测量部分9; 特征提取部分3，用于从由图像获取部分2获得的拍摄图像中提取特征点; 特征点跟踪部分4，用于通过搜索与多个拍摄图像上的特征点相对应的对应点来跟踪特征点; 图像选择部分61，用于基于由位置关系测量部分9进行的测量结果从一系列拍摄的图像中选择要处理的图像; 以及位置测量部分7，用于基于通过图像选择部分61选择的被处理图像来测量图像获取部分2的拍摄位置和拍摄姿势。

    IMAGE PROCESSING DEVICE AND METHOD
    4.
    发明申请
    IMAGE PROCESSING DEVICE AND METHOD 有权
    图像处理装置和方法

    公开(公告)号：US20070140528A1

    公开(公告)日：2007-06-21

    申请号：US11567909

    申请日：2006-12-07

    申请人： Tetsuji Anai ,  Nobuo Kochi ,  Hitoshi Otani ,  Hirokazu Sato

    发明人： Tetsuji Anai ,  Nobuo Kochi ,  Hitoshi Otani ,  Hirokazu Sato

    IPC分类号： G06K9/00

    CPC分类号： G06T7/33

    摘要： A technique is provided that can precisely measure the photographing position and posture of a photographing device and the coordinates of an object from moving images or photographed images that sequentially change gradually, even in the case with the need to process the sway of the photographing device and the disappearance and reappearance of characteristic points. An image processing device 100 according to the present invention includes: a photographed image acquisition 2 section for sequentially acquiring photographed images, that change gradually, of a relatively moving object; a characteristic extraction section 3 for extracting characteristic points from a photographed image acquired with the photographed image acquisition section; a characteristic point tracking section 4 for searching a plurality of the photographed images acquired before or after the photographed image from which the characteristic points have been extracted, for candidate corresponding points corresponding to the characteristic points, to keep track of the characteristic points; and a processing section 5 for determining corresponding points from the candidate corresponding points based on tracking results to calculate coordinates of a photographing position or the object using the determined corresponding points.

    摘要翻译： 提供一种技术，即使在需要处理拍摄装置的摆动的情况下，也可以精确地测量拍摄装置的拍摄位置和姿势以及从逐渐变化的运动图像或拍摄图像的对象的坐标，以及 特征点的消失和再现。 根据本发明的图像处理装置100包括：拍摄图像获取2部分，用于顺序地获取相对移动的对象逐渐变化的拍摄图像; 特征提取部3，用于从由拍摄图像获取部获取的拍摄图像中提取特征点; 特征点追踪部分4，用于搜索在提取了特征点的拍摄图像之前或之后获取的多个拍摄图像，用于跟踪特征点的候选对应点，以跟踪特征点; 以及处理部分5，用于基于跟踪结果确定来自候选对应点的对应点，以使用所确定的相应点来计算拍摄位置​​或对象的坐标。

    Image processing apparatus
    5.
    发明授权
    Image processing apparatus 有权
    图像处理装置

    公开(公告)号：US07860302B2

    公开(公告)日：2010-12-28

    申请号：US12339780

    申请日：2008-12-19

    申请人： Hirokazu Sato ,  Nobuyuki Fukaya ,  Mitsuharu Yamada ,  Tetsuji Anai ,  Nobuo Kochi

    发明人： Hirokazu Sato ,  Nobuyuki Fukaya ,  Mitsuharu Yamada ,  Tetsuji Anai ,  Nobuo Kochi

    IPC分类号： G06K9/00 ,  G03B17/00

    CPC分类号： G06T7/74 ,  G06T7/97 ,  G06T2207/10012 ,  G06T2207/30244

    摘要： An image processing apparatus comprises an inputting section for inputting a plurality of continuous images which were photographed by a photographing section progressively moving relative to a photographed object; an extracting section for extracting characteristic points from images input by the inputting section; a tracking section for tracking the points corresponding to the characteristic points in the plurality of continuous images; an embedding section for embedding tracking data, which includes data of extracted and tracked points by the extracting section and the tracking section, into each image; and an outputting section for outputting the plurality of continuous images sequentially in which the tracking data was embedded by the embedding section.

    摘要翻译： 一种图像处理装置包括：输入部分，用于输入通过相对于拍摄对象逐渐移动的摄影部分拍摄的多个连续图像; 提取部分，用于从由所述输入部分输入的图像中提取特征点; 跟踪部分，用于跟踪对应于多个连续图像中的特征点的点; 一个嵌入部分，用于将包括由提取部分和跟踪部分提取的跟踪点的数据的跟踪数据嵌入到每个图像中; 以及输出部分，用于输出由嵌入部分嵌入跟踪数据的顺序的多个连续图像。

    IMAGE PROCESSING APPARATUS
    6.
    发明申请
    IMAGE PROCESSING APPARATUS 有权
    图像处理设备

    公开(公告)号：US20090161946A1

    公开(公告)日：2009-06-25

    申请号：US12339780

    申请日：2008-12-19

    申请人： Hirokazu Sato ,  Nobuyuki Fukaya ,  Mitsuharu Yamada ,  Tetsuji Anai ,  Nobuo Kochi

    发明人： Hirokazu Sato ,  Nobuyuki Fukaya ,  Mitsuharu Yamada ,  Tetsuji Anai ,  Nobuo Kochi

    IPC分类号： G06K9/00 ,  G06K9/46

    CPC分类号： G06T7/74 ,  G06T7/97 ,  G06T2207/10012 ,  G06T2207/30244

    摘要： An image processing apparatus comprises an inputting section for inputting a plurality of continuous images which were photographed by a photographing section progressively moving relative to a photographed object; an extracting section for extracting characteristic points from images input by the inputting section; a tracking section for tracking the points corresponding to the characteristic points in the plurality of continuous images; an embedding section for embedding tracking data, which includes data of extracted and tracked points by the extracting section and the tracking section, into each image; and an outputting section for outputting the plurality of continuous images sequentially in which the tracking data was embedded by the embedding section.

    摘要翻译： 一种图像处理装置包括：输入部分，用于输入通过相对于拍摄对象逐渐移动的拍摄部分拍摄的多个连续图像; 提取部分，用于从由所述输入部分输入的图像中提取特征点; 跟踪部分，用于跟踪对应于多个连续图像中的特征点的点; 一个嵌入部分，用于将包括由提取部分和跟踪部分提取的跟踪点的数据的跟踪数据嵌入到每个图像中; 以及输出部分，用于输出由嵌入部分嵌入跟踪数据的顺序的多个连续图像。

    Gears and its process of manufacture
    8.
    发明申请
    Gears and its process of manufacture 有权
    齿轮及其制造工艺

    公开(公告)号：US20120247249A1

    公开(公告)日：2012-10-04

    申请号：US13064685

    申请日：2011-04-08

    申请人： Koji Obayashi ,  Keita Taguchi ,  Susumu Kato ,  Shuji Kozawa ,  Manabu Kubota ,  Yuji Adachi ,  Hirokazu Sato

    发明人： Koji Obayashi ,  Keita Taguchi ,  Susumu Kato ,  Shuji Kozawa ,  Manabu Kubota ,  Yuji Adachi ,  Hirokazu Sato

    IPC分类号： F16H55/17 ,  C23C8/80

    CPC分类号： H01L51/107 ,  H01L51/052

    摘要： A method of manufacturing a gear, and the resulting gear, the method resulting such that the surface layer portions of the tooth portions and a tooth root portion are made to be a carburized layer, the remaining portion of the tooth portions and a portion of a disk portion lying below the carburized layer be a quench-hardened layer, and a region of the disk portion lying deeper than the quench-hardened layer be an unquenched layer. The gear is manufactured using raw material steel having the following chemical composition: C: 0.1% to 0.40% (% by mass), Si: 0.35% to 3.0%, Mn: 0.1% to 3.0%, Cr: less than 0.2%, Mo: 0.1% or less, P: 0.03% or less, S: 0.15% or less, Al: 0.05% or less, N: 0.03% or less, and Fe and unavoidable impurities.

    摘要翻译： 一种制造齿轮的方法以及所得到的齿轮，使得齿部的表层部分和齿根部分成为渗碳层，其余​​部分和一部分 位于渗碳层下方的圆盘部分是淬火硬化层，并且位于比淬火硬化层更深的盘部分的区域是非淬火层。 使用具有以下化学组成的原料钢制造齿轮：C：0.1〜0.40％（质量％），Si：0.35〜3.0％，Mn：0.1〜3.0％，Cr：小于0.2％ Mo：0.1％以下，P：0.03％以下，S：0.15％以下，Al：0.05％以下，N：0.03％以下，Fe和不可避免的杂质。

    Tooth for dental arch model and method for producing the same
    9.
    发明授权
    Tooth for dental arch model and method for producing the same 有权
    牙弓牙齿模型及其制作方法

    公开(公告)号：US08267695B2

    公开(公告)日：2012-09-18

    申请号：US12226451

    申请日：2007-03-30

    申请人： Yusei Kadobayashi ,  Hirokazu Sato ,  Ryuichi Yoshimoto

    发明人： Yusei Kadobayashi ,  Hirokazu Sato ,  Ryuichi Yoshimoto

    IPC分类号： G09B23/28

    CPC分类号： G09B23/283 ,  A61C13/083 ,  A61C13/09

    摘要： The present invention relates to a tooth which is used in a dental arch model with which dental students can experience dental works in the oral cavity and practice treatments. More specifically, the present invention relates to a tooth composition for formation trainings such as abutment tooth formation and cavity preparation. Since conventionally used dental arch models have a grinding sensation different from a natural tooth, dental students having completed formation trainings such as abutment tooth formation and cavity preparation by using these conventional models are frequently puzzled to have different grinding and handling properties upon dental works in the oral cavity in practice. That is, these conventional dental arch models are largely different from a natural tooth in grinding sensation including slipperiness and easiness in grinding. A tooth for a dental arch model simulating the enamel texture and the dentin texture constituting a natural tooth whereby even the difference in grinding sensation between the enamel texture and the dentin texture constituting a natural tooth can be reproduced by forming at least the enamel portion with the use of a sintered body of an inorganic powder such as alumina.

    摘要翻译： 牙科技术领域本发明涉及一种用于牙科学模型的牙齿牙科学生可以在口腔中进行牙科工作和实践治疗的牙齿。 更具体地，本发明涉及一种用于形成培养的牙齿组合物，例如基牙形成和腔体制备。 由于常规使用的牙弓模型具有与天然牙齿不同的磨削感觉，所以通过使用这些传统模型已经完成了形成训练，例如基牙形成和腔体制备的牙科学生经常困惑于在牙科工程中具有不同的研磨和处理性能 口腔实践。 也就是说，这些传统的牙弓模型与磨牙感觉中的天然牙齿大不相同，包括滑动性和研磨容易度。 用于模拟釉质质地的牙弓模型的牙齿和构成天然牙齿的牙本质纹理，由此即使通过至少形成釉质部分也可以再现釉质组合和构成天然牙齿的牙本质纹理之间的磨削感的差异， 使用无机粉末如氧化铝的烧结体。