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  • Distance-dependent multimodal image registration for agriculture tasks
    Berenstein, Ron ...
    Image registration is the process of aligning two or more images of the same scene taken at different times; from different viewpoints; and/or by different sensors. This research focuses on ... developing a practical method for automatic image registration for agricultural systems that use multimodal sensory systems and operate in natural environments. While not limited to any particular modalities; here we focus on systems with visual and thermal sensory inputs. Our approach is based on pre-calibrating a distance-dependent transformation matrix (DDTM) between the sensors; and representing it in a compact way by regressing the distance-dependent coefficients as distance-dependent functions. The DDTM is measured by calculating a projective transformation matrix for varying distances between the sensors and possible targets. To do so we designed a unique experimental setup including unique Artificial Control Points (ACPs) and their detection algorithms for the two sensors. We demonstrate the utility of our approach using different experiments and evaluation criteria.
    Source: Sensors [Elektronski vir]. - ISSN 1424-8220 (Vol. 15, no. 8, 2015, str. 20845-20862)
    Type of material - e-article
    Publish date - 2015
    Language - english
    COBISS.SI-ID - 14123035

    Link(s):

    http://www.mdpi.com/1424-8220/15/8/20845
    Repository of the University of Ljubljana – RUL
    DOI

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