公开(公告)号：EP2751781A1

公开(公告)日：2014-07-09

申请号：EP12754166.2

申请日：2012-08-21

Applicant: Qualcomm Incorporated

Inventor： YI, Sheng ,  SWAMINATHAN, Ashwin ,  JIANG, Bolan ,  NAJAFI SHOUSHTARI, Seyed Hesameddin

IPC: G06T7/20

CPC classification number: G06T7/251 ,  G06T2207/10016

Abstract: A vision based tracking system in a mobile platform tracks objects using groups of detected lines. The tracking system detects lines in a captured image of the object to be tracked. Groups of lines are formed from the detected lines. The groups of lines may be formed by computing intersection points of the detected lines and using intersection points to identified connected lines, where the groups of lines are formed using connected lines. A graph of the detected lines may be constructed and intersection points identified. Interesting subgraphs are generated using the connections and the group of lines is formed with the interesting subgraphs. Once the groups of lines are formed, the groups of lines are used to track the object, e.g., by comparing the groups of lines in a current image of the object to groups of lines in a previous image of the object.

Abstract translation: 移动平台中的基于视觉的跟踪系统使用检测到的线路组跟踪对象。 跟踪系统检测要跟踪的对象的捕获图像中的线。 线组由检测线形成。 线组可以通过计算所检测的线的交点并使用交叉点来识别连接的线来形成，其中使用连接的线形成线组。 可以构建检测到的线的图形，并确定交点。 使用连接生成有趣的子图，并且组的线条与有趣的子图形成。 一旦形成线组，就使用线组来跟踪对象，例如通过将对象的当前图像中的线组与对象的先前图像中的线组进行比较来进行跟踪。