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    • 3. 发明授权
    • Method and apparatus for measuring sizes of objects in image
    • 用于测量图像中物体尺寸的方法和装置
    • US09557161B2
    • 2017-01-31
    • US13308139
    • 2011-11-30
    • Byeong-Sook BaeJong-Cheol GhimYoung-Hun Hwang
    • Byeong-Sook BaeJong-Cheol GhimYoung-Hun Hwang
    • H04N7/18G01B11/02G01C11/30G06T7/60
    • G01B11/024G01C11/30G06T7/60G06T2207/30164H04N7/18
    • Method and apparatus for measuring sizes of objects by using photograph. Method includes taking photograph by using camera; recognizing reference scale in photograph and measuring size of reference scale; measuring vertical direction angle and horizontal direction angle between the camera and the objects by using image properties of the recognized reference scale; recognizing the objects in the photograph and measuring vertical sizes and horizontal sizes of the objects; and acquiring actual vertical sizes and actual horizontal sizes of the objects by compensating the measured vertical size and the measured horizontal size of the objects based on the size of the reference scale, the actual size of the reference scale, and the vertical and horizontal direction angles. Therefore, heights and widths of objects distributed throughout a wide area may be precisely measured regardless of positions of the objects by using a reference scale for comparatively measuring sizes of the objects.
    • 使用照片测量物体尺寸的方法和装置。 方法包括使用相机拍照; 识别照片参考尺度和参考尺度的尺寸; 通过使用识别的参考刻度的图像属性来测量相机和物体之间的垂直方向角度和水平方向角度; 识别照片中的物体并测量物体的垂直尺寸和水平尺寸; 并且通过基于参考标尺的尺寸,参考标尺的实际尺寸以及垂直和水平方向角度来补偿测量的垂直尺寸和物体的测量的水平尺寸来获取物体的实际垂直尺寸和实际水平尺寸 。 因此,无论物体的位置如何,通过使用用于比较测量物体的尺寸的参考刻度,可以精确地测量分布在整个广域中的物体的高度和宽度。
    • 9. 发明授权
    • Distance measuring device and method, and computer program
    • 距离测量装置和方法以及计算机程序
    • US08331625B2
    • 2012-12-11
    • US12440650
    • 2006-09-13
    • Osamu Yamazaki
    • Osamu Yamazaki
    • G06K9/00G01C3/00G01C5/00
    • G01B11/024G01C3/10
    • A distance measuring device (1) is included of a feature point detecting element (31) for detecting a set of feature points from a plurality of images (2) picked up at a plurality of places (a, b) by a pickup element, a change detecting element (33) for detecting relative changes among images with respect to the detected set of the feature points, and a first specifying element (8) for specifying rotation quantities of the image pickup element among the places in accordance with the detected changes. Here, the feature point detecting element detects a set of points (P1, P2, P3, P4) composing lines (310, 320) that belong to a stationary object and that are substantially perpendicular to the optical axis of the image pickup element as a set of feature points.
    • 特征点检测元件(31)包括测距装置(1),用于检测由拾取元件在多个位置(a,b)拾取的多个图像(2)中的一组特征点, 用于检测相对于检测到的特征点集合的图像之间的相对变化的变化检测元件(33),以及用于根据检测到的变化来指定各个位置中的图像拾取元件的旋转量的第一指定元件(8) 。 这里,特征点检测元件检测构成属于静止物体并且基本上垂直于图像拾取元件的光轴的线(P1,P2,P3,P4)的一组点(P1,P2,P3,P4) 一组特征点。
    • 10. 发明申请
    • OPTICAL SENSOR
    • 光传感器
    • US20120176592A1
    • 2012-07-12
    • US13497709
    • 2010-08-14
    • Horst EssigFabian GeigerDieter KlassJuergen-Ralf Weber
    • Horst EssigFabian GeigerDieter KlassJuergen-Ralf Weber
    • G01C3/00
    • G01V8/20G01B11/024G01B11/2518
    • A method for optically detecting objects includes emitting light rays that are projected as a light line onto an object structure to be detected. The light rays are imaged on a matrix of receiving elements of a receiver to produce receiving element signals. The receiving element signals are evaluated by a triangulation principle to generate a distance profile. The evaluating includes: generating at least one evaluation window which encompasses a local range extending in a direction along the light line, generating a number of object points representing outputs of the respective receiving element that correspond to respective distances extending in a second direction, and generating a binary state information as a function of the number object points that fall within the evaluation window.
    • 用于光学检测物体的方法包括将作为光线投射的光线发射到待检测的物体结构上。 光线被成像在接收器的接收元件的矩阵上以产生接收元件信号。 通过三角测量原理评估接收单元信号以产生距离分布。 评估包括:产生至少一个评估窗口,该评估窗口包括沿着光线的方向延伸的局部范围,产生表示相应于在第二方向上延伸的相应距离的相应接收元件的输出的多个对象点,并且生成 作为落在评估窗口内的数量对象点的函数的二进制状态信息。