19 May 2015 Collaborative real-time motion video analysis by human observer and image exploitation algorithms
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Abstract
Motion video analysis is a challenging task, especially in real-time applications. In most safety and security critical applications, a human observer is an obligatory part of the overall analysis system. Over the last years, substantial progress has been made in the development of automated image exploitation algorithms. Hence, we investigate how the benefits of automated video analysis can be integrated suitably into the current video exploitation systems. In this paper, a system design is introduced which strives to combine both the qualities of the human observer’s perception and the automated algorithms, thus aiming to improve the overall performance of a real-time video analysis system. The system design builds on prior work where we showed the benefits for the human observer by means of a user interface which utilizes the human visual focus of attention revealed by the eye gaze direction for interaction with the image exploitation system; eye tracker-based interaction allows much faster, more convenient, and equally precise moving target acquisition in video images than traditional computer mouse selection. The system design also builds on prior work we did on automated target detection, segmentation, and tracking algorithms. Beside the system design, a first pilot study is presented, where we investigated how the participants (all non-experts in video analysis) performed in initializing an object tracking subsystem by selecting a target for tracking. Preliminary results show that the gaze + key press technique is an effective, efficient, and easy to use interaction technique when performing selection operations on moving targets in videos in order to initialize an object tracking function.
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Jutta Hild, Jutta Hild, Wolfgang Krüger, Wolfgang Krüger, Stefan Brüstle, Stefan Brüstle, Patrick Trantelle, Patrick Trantelle, Gabriel Unmüßig, Gabriel Unmüßig, Norbert Heinze, Norbert Heinze, Elisabeth Peinsipp-Byma, Elisabeth Peinsipp-Byma, Jürgen Beyerer, Jürgen Beyerer, } "Collaborative real-time motion video analysis by human observer and image exploitation algorithms", Proc. SPIE 9463, Motion Imagery: Standards, Quality, and Interoperability, 94630C (19 May 2015); doi: 10.1117/12.2180453; https://doi.org/10.1117/12.2180453
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