Video-surveillance and traffic analysis systems can be heavily improved using vision-based techniques able to extract, manage and track objects in the scene. However, problems arise due to shadows. In particular, moving shadows can affect the correct localization, measurements and detection of moving objects. This work aims to present a technique for shadow detection and suppression used in a system for moving visual object detection and tracking. The major novelty of the shadow detection technique is the analysis carried out in the HSV color space to improve the accuracy in detecting shadows. Signal processing and optic motivations of the approach proposed are described. The integration and exploitation of the shadow detection module into the system are outlined and experimental results are shown and evaluated
Improving shadow suppression in moving object detection with HSV color information / Cucchiara, Rita; Grana, Costantino; M., Piccardi; A., Prati; S., Sirotti. - STAMPA. - (2001), pp. 334-339. (Intervento presentato al convegno IEEE Conference on Intelligent Transportation Systems tenutosi a Oakland, CA nel Aug 25-29).
Improving shadow suppression in moving object detection with HSV color information
CUCCHIARA, Rita;GRANA, Costantino;
2001
Abstract
Video-surveillance and traffic analysis systems can be heavily improved using vision-based techniques able to extract, manage and track objects in the scene. However, problems arise due to shadows. In particular, moving shadows can affect the correct localization, measurements and detection of moving objects. This work aims to present a technique for shadow detection and suppression used in a system for moving visual object detection and tracking. The major novelty of the shadow detection technique is the analysis carried out in the HSV color space to improve the accuracy in detecting shadows. Signal processing and optic motivations of the approach proposed are described. The integration and exploitation of the shadow detection module into the system are outlined and experimental results are shown and evaluated
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