8 October 1999 Motion detection using color templates
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The Horridge template model is an empirical motion detection model inspired by insect vision. This model has been successfully implemented on several micro-sensor VLSI chips using greyscale pixels. The template model is based on movement of detected edges rather than whole objects, which facilitate simple tracking techniques. Simple tracking algorithms developed by Nguyen have been successful in tracking coherent movement of objects in a simple environment. Due to the inherent edge detection nature of the template model, two closely spaced objects moving at the same speed relative to the template model sensor will appear to have a common edge and hence be interpreted as one object. Hence when the two objects separate, the tracking algorithm will be upset by the detection of two separate edges, resulting in a loss of tracking. This paper introduces a low-cost vision prototype, based on a color CMOS camera. Although this approach sacrifices auto gain control at each pixel, results are valid for controlled lighting conditions. We demonstrate working result, for indoor conditions, by extension of the template mole using the color CMOS sensor to form color templates. This enables the detection of color boundaries or edges of closely moving objects by exploiting the difference in color contrast between the objects. This paper also discusses the effectiveness of this technique in facilitating the independent tracking of multiple objects.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Kevin Chin, Kevin Chin, Derek Abbott, Derek Abbott, } "Motion detection using color templates", Proc. SPIE 3893, Design, Characterization, and Packaging for MEMS and Microelectronics, (8 October 1999); doi: 10.1117/12.368438; https://doi.org/10.1117/12.368438


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