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    • 5. 发明授权
    • Apparatus for determining the distance of a vehicle from a roadway side
marking
    • 用于确定车辆与道路侧标记距离的装置
    • US5890083A
    • 1999-03-30
    • US612288
    • 1996-03-07
    • Uwe FrankeStefan Hahn
    • Uwe FrankeStefan Hahn
    • G01B11/14B60Q9/00B60W30/00G01S3/784G01S11/12G01S17/08G01S17/93G05D1/02G08G1/04G08G1/16
    • G08G1/04G01S3/784G05D1/0246G05D1/0255B60T2201/08B60T2201/082G01S11/12
    • Apparatus is provided for determining the distance of a vehicle from a roadway side marking. An arrangement of light sensitive sensor elements is fitted to the vehicle for optically scanning a portion of the roadway located in front of the vehicle. An evaluation unit, connected downstream of the sensor element arrangement, is also provided. Only one or a few sensor element lines are used as the sensor element arrangement. Each line scans a narrow strip of the roadway which runs in front of the vehicle, not parallel to the vehicle longitudinal axis, and extends laterally as far as the roadway side marking. The evaluation unit reads each sensor element line sequentially and processes the received signals to determine the lateral distance of the vehicle from the roadway marking. The relatively small quantity of data which accumulates permits the processing of the data digitally in real time by a conventional microprocessor. The apparatus is used as sleep warning system or lane guard for motor vehicles.
    • 设置用于确定车辆与道路侧标记的距离的装置。 光敏传感器元件的布置被安装到车辆上,用于光学扫描位于车辆前方的道路的一部分。 还提供连接在传感器元件布置的下游的评估单元。 仅使用一个或几个传感器元件线作为传感器元件布置。 每条线扫描在车辆前方延伸的道路的窄条,不平行于车辆纵向轴线,并且横向延伸至道路侧标记的距离。 评估单元依次读取每个传感器元件线,处理接收到的信号,以确定车辆与道路标记的横向距离。 积累的相对少量的数据允许通过常规微处理器实时地数字地处理数据。 该装置用作机动车辆的睡眠警告系统或车道护栏。
    • 6. 发明申请
    • Camera based position recognition for a road vehicle
    • 基于摄像头的道路车辆位置识别
    • US20050002558A1
    • 2005-01-06
    • US10835130
    • 2004-04-29
    • Uwe FrankeStefan Hahn
    • Uwe FrankeStefan Hahn
    • B60R21/00B60R1/00G06K9/46G06T1/00G06T7/00G06T7/60G08G1/123G08G1/16H04N7/18G06K9/00
    • G06K9/4604B60R1/00G06K9/00798G06K2209/23G06T7/74G08G1/123
    • A camera based position recognition system for a road vehicle. The environment in the direction of travel of the vehicle is acquired by a camera. Using the acquired image data, the position of the vehicle in its environment is determined with regard to an optical signature identified in the obtained image data. For determining the position of the vehicle, use is made of the knowledge of the relationship between the environment coordinate system of the optical signature and that of the camera coordinate system. In simplified manner, position determination occurs with regard to the optical signature on the basis of a template matching imposed on the image data. For this, a template or an optical signature recorded in memory is superimposed on the optical signature identified in the image data in the environment of the vehicle (template matching). From the parameters of this template matching (for example linear compression and rotation parameters) recognizing the existing coordinate system, the position of the vehicle relative to the optical signature can be directly deduced.
    • 一种用于道路车辆的基于摄像头的位置识别系统。 通过照相机获取车辆行驶方向的环境。 使用所获取的图像数据,根据获得的图像数据中识别的光学特征来确定车辆在其环境中的位置。 为了确定车辆的位置,使用光学签名的环境坐标系与摄像机坐标系的环境坐标系之间的关系的知识。 以简化的方式,基于对图像数据施加的模板匹配,针对光学签名进行位置确定。 为此,记录在存储器中的模板或光学签名叠加在车辆环境中的图像数据中识别的光学签名(模板匹配)上。 根据识别现有坐标系的该模板匹配(例如线性压缩和旋转参数)的参数,可以直接推导出车辆相对于光学签名的位置。
    • 8. 发明授权
    • Method and device for video-based observation and measurement of the lateral environment of a vehicle
    • 用于基于视频的观察和测量车辆的侧向环境的方法和装置
    • US07365831B2
    • 2008-04-29
    • US10528810
    • 2003-09-19
    • Thomas Hans BraeunlUwe Franke
    • Thomas Hans BraeunlUwe Franke
    • G01C3/08
    • G06K9/00812G06T7/593
    • The first commercially-available driver assist systems required a compromise between the resolution of the scanning and the extent of the scanned region, according to application. Conventional video-based systems have a good compromise between resolution and recording range, however do not generally provide direct distance information. According to the new arrangement of the object of the invention, it is possible to achieve a system, which, on installation in a road vehicle, can record complex dynamic scenes, for example the lateral 3D geometry to the road edge from the point of view of the dynamically operating vehicle and use the same to advantage on parking. According to the invention, the monitoring and measuring of the lateral environment of a vehicle is displayed on the one hand by means of a camera with the digital images and on the other hand with a computer unit which serves to provide the images with a time stamp and to buffer the same. The movements of the vehicle are further recorded, in order to select image pairs from the buffered images, based on the above data. A local 3D depth image of the lateral environment of a vehicle can thus be generated by an algorithm for stereo image processing.
    • 根据应用,第一个可商购的驾驶员辅助系统需要扫描分辨率和扫描区域的范围之间的折衷。 常规的基于视频的系统在分辨率和记录范围之间具有很好的折中,但是通常不提供直接的距离信息。 根据本发明的目的的新方案,可以实现一种系统,其可以在道路车辆的安装中记录复杂的动态场景,例如从侧面观察侧向3D几何形状到道路边缘 的动态操作车辆,并在停车时使用相同的优势。 根据本发明,一方面通过具有数字图像的照相机显示车辆的横向环境的监测和测量,另一方面通过计算机单元来显示,该计算机单元用于向图像提供时间戳 并缓冲。 进一步记录车辆的运动,以便根据上述数据从缓冲图像中选择图像对。 因此,可以通过用于立体图像处理的算法来生成车辆的横向环境的局部3D深度图像。
    • 10. 发明申请
    • METHOD FOR REPRESENTING SURROUNDINGS
    • 表示环境的方法
    • US20140205184A1
    • 2014-07-24
    • US14237590
    • 2012-07-21
    • Uwe FrankeDavid Pfeiffer
    • Uwe FrankeDavid Pfeiffer
    • G06K9/00
    • G06K9/00201G06K9/00805G06T7/593
    • A method for environmental representation, in which two images of an environment (U) are taken respectively and a disparity image is determined by means of stereo image processing. An unobstructed free space (F) is identified in the disparity image, in that each pixel of the disparity image is allocated either to the unobstructed ground surface (B) or to one of several segments (S11 to Snu) depending on disparity values of the respective pixel. Segments (S11 to Snu) of the same width are formed from pixels of the same or similar distance to an image plane. An object (O1 to Ok) located outside of the free space (F) is modelled in the environment (U) using one segment (S11 to Snu) or several segments (S11 to Snu).
    • 一种用于环境表示的方法,其中分别采用环境(U)的两个图像,并且通过立体图像处理来确定视差图像。 在视差图像中识别出无阻碍的空闲空间(F),因为视差图像的每个像素被分配给无障碍地面(B)或者分配给几个段(S11至Snu)中的一个,取决于视差图 各自的像素。 具有相同宽度的段(S11至Snu)由与像平面相同或相似距离的像素形成。 位于自由空间(F)外的物体(O1〜Ok)利用一个段(S11〜Snu)或多个段(S11〜Snu)在环境(U)中建模。