In this article, we have introduced a novel system design framework for dynamic, data-driven processing of multispectral video streams using LD techniques. The framework is motivated by the need for efficient and accurate video processing in a wide variety of systems for air and ground environments. This framework, called LDspectral, is designed to incorporate selection of subsets of bands as a core, front-end step in the video processing process. Band subset selection opens up a large design space for data-driven adaptation that influences key metrics, including accuracy and computational efficiency. We have demonstrated a prototype implementation of LDspectral applied to a background subtraction application. Through experiments with LDSpectral on a relevant data set, we have demonstrated the utility of flexible, optimized BSS in the navigation of operational trade-offs for multispectral video processing systems. The current version of LDspectral is developed for input streams in which the multispectral images are well aligned across the different bands. The band subset processing subsystem in LDspectral can readily be extended to incorporate image registration, which would be useful to extend the capabilities of the overall system to handle images that are not aligned. Such extension together with the integrated optimization of associated operational tradeoffs is a useful direction for future work.


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    Title :

    Dynamic, data-driven processing of multispectral video streams




    Publication date :

    2017-07-01


    Size :

    2986335 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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