英文摘要 |
A simple but effective algorithm of real-time servo visual tracking for a digital video recorder security system (DVRSS) is proposed. The DVRSS, which overcomes the drawbacks of a traditional analog video-based security system, provides functions of object detecting, security alarming, network communication, and real-time servo tracking. An object detecting algorithm based on adaptive thresholding to surmount the effect of light level variation is presented. Additionally, an iterative method is introduced to distinguish multiple moving objects by marking the image with bounding-boxes. A motion tracking algorithm based on region division as well as linear translation is used to cope with the computation-intensive problem and complete real-time operation. Finally, an experiment involving detecting and real-time servo tracking of multiple moving objects is presented to illustrate the outstanding merits and effectiveness of the DVRSS. |