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In this paper, harmonic analysis of 10-year time series (1995-2005) NOAA/AVHRR yearly composite images is performed to develop an innovative technique for hotspot detection and land-features classification based on temporal changes in the NDVI and various AVHRR band values. NOAA/AVHRR images are used due to wide coverage, high frequency and free acquisition offered by NOAA/AVHRR sensors. Proposed...
India accounts for the greatest concentration of coal fires in world. Nearly half of the subsurface mine fires (hotspots) in Indian coalfields exist in Jharia (Jharkhand) region. Careful attention is required in this direction for mapping, monitoring and detecting these hotspots. Present paper utilizes the potential of operational satellite images to detect hotspots in Jharia region. Proposed algorithm...
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