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Real-time Foreground Object Detection Combining the PBAS Background Modelling Algorithm and Feedback from Scene Analysis Module

Authors
  • Kryjak, Tomasz
  • Komorkiewicz, Mateusz
  • Gorgon, Marek
Type
Published Article
Journal
International Journal of Electronics and Telecommunications
Publisher
De Gruyter Open
Publication Date
Mar 01, 2014
Volume
60
Issue
1
Pages
53–64
Identifiers
DOI: 10.2478/eletel-2014-0006
Source
De Gruyter
Keywords
License
Green

Abstract

The article presents a hardware implementation of the foreground object detection algorithm PBAS (Pixel-Based Adaptive Segmenter) with a scene analysis module. A mechanism for static object detection is proposed, which is based on consecutive frame differencing. The method allows to distinguish stopped foreground objects (e.g. a car at the intersection, abandoned luggage) from false detections (so-called ghosts) using edge similarity. The improved algorithm was compared with the original version on popular test sequences from the changedetection.net dataset. The obtained results indicate that the proposed approach allows to improve the performance of the method for sequences with the stopped objects. The algorithm has been implemented and successfully verified on a hardware platform with Virtex 7 FPGA device. The PBAS segmentation, consecutive frame differencing, Sobel edge detection and advanced one-pass connected component analysis modules were designed. The system is capable of processing 50 frames with a resolution of 720 × 576 pixels per second

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