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    • 31. 发明专利
    • Person detection device
    • JP2004191083A
    • 2004-07-08
    • JP2002356387
    • 2002-12-09
    • Mitsubishi Electric Corp三菱電機株式会社
    • HAYASHI KENTAROHASHIMOTO MANABUWASHIMI KAZUHIKO
    • G01B11/00G01B11/02G01B11/24G01V8/10G06T1/00
    • PROBLEM TO BE SOLVED: To provide a person detection device capable of detecting accurately a plurality of persons even on a flat place without missing even a person hidden by a front person. SOLUTION: This device has a means 105 for correlating positions on images showing the same point of an observation point on the images from each of a plurality of cameras, a means 107 for calculating the three-dimensional distance of the observation point from the camera from the parallax of the corresponding point and the distance between the cameras, a means 109 for calculating the observation point position in a three-dimensional space from the three-dimensional distance, a means 111 for projecting the three-dimensional position of acquired each observation point on a specific plane and generating voting values distributed on the plane, a means 113 for setting a threshold for person detection, increasing gradually toward the prescribed maximum value as receding from the camera, by which a hidden region having high probability of generating hiding is set by lowering the value at every time when the acquired voting value reaches the threshold, and a means 115 for determining as person detection when the acquired voting value reaches the threshold by which the hidden region is set. COPYRIGHT: (C)2004,JPO&NCIPI
    • 35. 发明公开
    • IMAGE PROCESSING APPARATUS
    • BILDVERARBEITUNGSVORRICHTUNG
    • EP1526477A4
    • 2008-09-10
    • EP02751738
    • 2002-07-26
    • MITSUBISHI ELECTRIC CORP
    • HASHIMOTO MANABUHAYASHI KENTAROSUMI KAZUHIKO
    • G06T7/00G06K9/00G06K9/62G06T1/00
    • G06K9/00369G06T7/74
    • An image processing apparatus includes image pickup means for picking up an image in an object region to be monitored, face extracting means for extracting a human face region from the image picked up by the image pickup means, distance measurement means for measuring distances from the image pickup means to respective positions of the image picked up by the image pickup means, distance distribution calculation means for setting a distance measurement area below the extracted human face region by a predetermined distance and using the distance calculated by the distance measurement means so as to calculate distribution of distances from the image pickup means in the distance measurement area, and wheelchair presence judgment means for deciding whether the human having the face region is on a wheelchair.
    • 一种图像处理设备包括:图像拾取装置,用于拾取要被监视的对象区域中的图像;面部提取装置,用于从由图像拾取装置拾取的图像中提取人脸区域;距离测量装置,用于测量距图像 拾取装置接收由图像拾取装置拾取的图像的各个位置;距离分布计算装置,用于将提取的人脸区域下方的距离测量区域设置预定距离并且使用由距离测量装置计算的距离来计算 在距离测量区域中距图像拾取装置的距离的分布以及轮椅存在判断装置,用于判断具有面部区域的人是否在轮椅上。