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    • 6. 发明申请
    • THREE-DIMENSIONAL MEASUREMENT APPARATUS AND METHOD
    • 三维测量装置和方法
    • US20110228052A1
    • 2011-09-22
    • US13119824
    • 2009-09-17
    • Yasuhiro OhnishiMasaki SuwaTuo Zhuang
    • Yasuhiro OhnishiMasaki SuwaTuo Zhuang
    • H04N13/02G06K9/60
    • G01B11/245
    • A three-dimensional measurement apparatus includes a plurality of cameras, a normal calculation unit for obtaining from respective captured images a normal direction serving as a physical feature of a surface of a measurement object, and a corresponding point calculation unit for retrieving corresponding pixels of the images using the physical feature. Using the apparatus, a three-dimensional measurement can be performed on a basis of a parallax between the corresponding pixels. Also, the apparatus transforms the normal direction of each image into a common coordinate system. A parameter of the coordinate transformation may be calculated from a parameter obtained during a camera calibration. This three-dimensional measurement apparatus can measure a three-dimensional shape of a mirror surface object precisely without being affected by differences in positions and characteristics of the cameras.
    • 三维测量装置包括多个相机,用于从各个拍摄图像获得用作测量对象的表面的物理特征的法线方向的正常计算单元和用于检索测量对象的相应像素的对应点计算单元 使用物理特征的图像。 使用该装置,可以基于相应像素之间的视差来执行三维测量。 此外,该装置将每个图像的法线方向变换为公共坐标系。 可以根据在相机校准期间获得的参数来计算坐标变换的参数。 这种三维测量装置可以精确地测量镜面物体的三维形状,而不受相机位置和特性的差异的影响。
    • 7. 发明申请
    • Three-dimensional shape measuring apparatus, program, computer-readable recording medium, and three-dimensional shape measuring method
    • 三维形状测量装置,程序,计算机可读记录介质和三维形状测量方法
    • US20070090189A1
    • 2007-04-26
    • US11584807
    • 2006-10-20
    • Masaki SuwaYoshiro ItoDaisuke MitsumotoMasanao YoshinoHiroyoshi KoitabashiYoshinobu Asokawa
    • Masaki SuwaYoshiro ItoDaisuke MitsumotoMasanao YoshinoHiroyoshi KoitabashiYoshinobu Asokawa
    • G06K7/10
    • G01B11/2522G06T7/521
    • A three-dimensional shape measuring apparatus of the invention is an apparatus which measures a three-dimensional shape of a target object by analyzing an optical pattern projected to the target object. The three-dimensional shape measuring apparatus includes a line sensor and an image analysis unit. The line sensor reads the target object, onto which the optical pattern is projected, as the image. The image analysis unit analyzes the optical pattern in the image read by the line sensor based on a spatial fringe analysis method, and the image analysis unit computes the three-dimensional shape information on the target object. An apparatus, method and program for measuring the three-dimensional shape of an object by analyzing an optical pattern projected onto the object. The phase of a pixel included in an image taken of the optical pattern is determined based on the brightness values of the pixel and at least one neighboring pixel in the image; thus the height information of the object can be determined. In addition, the height of the target object at a given position can be computed based on how much the phase of the optical pattern projected onto a certain position of the object is shifted from a reference phase.
    • 本发明的三维形状测量装置是通过分析投影到目标对象的光学图案来测量目标对象的三维形状的装置。 三维形状测量装置包括线传感器和图像分析单元。 线传感器读取投影光学图案的目标对象作为图像。 图像分析单元基于空间条纹分析方法分析由线传感器读取的图像中的光学图案,并且图像分析单元计算目标对象上的三维形状信息。 一种用于通过分析投射到物体上的光学图案来测量物体的三维形状的装置,方法和程序。 基于像素的亮度值和图像中的至少一个相邻像素确定包含在光学图案的图像中的像素的相位; 因此可以确定对象的高度信息。 此外,可以基于投射到物体的某个位置上的光学图案的相位从参考相位偏移多少来计算给定位置处的目标对象的高度。
    • 8. 发明授权
    • Knowledge-based system installed with associative knowledge and
inference method
    • 基于知识的系统安装了联想知识和推理方法
    • US5043915A
    • 1991-08-27
    • US442212
    • 1989-11-28
    • Masaki SuwaHiroshi Motoda
    • Masaki SuwaHiroshi Motoda
    • G06F9/44
    • G06F8/313
    • An inference system provided with a first knowledge base for storing general knowledge which is a theorem, and a second knowledge base for storing associative knowledge which is different in knowledge structure from the above mentioned general knowledge. The associative knowledge is automatically generated from the comparison between a first proof tree where inferences have ended in failure and a second proof tree where inferences have ended in success, if inferences have ended in success by the help of information about a suggestion appended additionally when the first inferences of a problem stopped, and the associative knowledge generated will be stored in the second knowledge base thereafter. The associative knowledge includes a if-part which describes the conditions to be focused on a then-part which includes the description of the relation between the above mentioned condition to be focused on and the other additional conditions to be associated with and the description of the information holding on the basis of the above-mentioned relation.
    • 提供有用于存储作为定理的一般知识的第一知识库的推理系统和用于存储与上述一般知识不同的知识结构的关联知识的第二知识库。 关联知识是自动生成的,其中推理结束失败的第一个证明树与推论已经成功结束的第二个证明树之间的比较,如果推论已经成功地结束了关于附加的建议的信息, 问题的第一推断停止了,所产生的关联知识将在之后存储在第二知识库中。 关联知识包括一个if部分,描述了要关注的部分的条件,其中包括描述上述要关注的条件与要关联的其他附加条件之间的关系,以及描述 基于上述关系保存的信息。