The invention provides a camera inspection system capable of automatically and easily determining whether or not correction of a camera mounted on a railway vehicle is required. A camera inspection system according to the present embodiment is provided with an imaging unit that is mounted on a railroad vehicle and that captures, at a first viewpoint and a second viewpoint, a mark provided around a track on which the railroad vehicle travels. The arithmetic processing unit determines a parallax between a first image of the marker in the first viewpoint and a second image of the marker in the second viewpoint. The arithmetic processing unit calculates a first distance between the railway vehicle and the marker on the basis of a parallax between the first image and the second image. The arithmetic processing unit calculates a second distance between the railway vehicle and the mark on the basis of known attribute information relating to the size and/or position of the mark and the length of the attribute information on the first image or the second image. The arithmetic processing unit determines whether or not a difference between the first distance and the second distance is greater than a threshold value. The storage unit stores attribute information.
本发明提供一种摄像机检查系统,能够自动且容易地判定是否需要搭载于铁道车辆的摄像机的校正。本实施方式的摄像机检查系统具备拍摄部,该拍摄部搭载于铁道车辆,以第1视点以及第2视点拍摄设置在铁道车辆行驶的轨道周边的标识。运算处理部求出第1视点下的标识的第1图像与第2视点下的该标识的第2图像之间的视差。运算处理部基于第1图像与第2图像之间的视差计算出铁道车辆与标识之间的第1距离。运算处理部基于与标识的大小和/或位置相关的已知的属性信息以及第1图像或者第2图像上的属性信息的长度,计算出铁道车辆与标识之间的第2距离。运算处理部判断第1距离与第2距离之差是否大于阈值。存储部保存属性信息。
Automatic inspection system for camera
摄像机自动检查系统
29.07.2022
Patent
Elektronische Ressource
Chinesisch
IPC: | G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / H04N PICTORIAL COMMUNICATION, e.g. TELEVISION , Bildübertragung, z.B. Fernsehen |
CAMERA IMAGE INSPECTION SYSTEM AND CAMERA IMAGE INSPECTION METHOD
Europäisches Patentamt | 2019
|Europäisches Patentamt | 2019
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