Commenced in January 2007
Paper Count: 31100
Design of FIR Filter for Water Level Detection
Abstract:This paper proposes a new design of spatial FIR filter to automatically detect water level from a video signal of various river surroundings. A new approach in this report applies "addition" of frames and a "horizontal" edge detector to distinguish water region and land region. Variance of each line of a filtered video frame is used as a feature value. The water level is recognized as a boundary line between the land region and the water region. Edge detection filter essentially demarcates between two distinctly different regions. However, the conventional filters are not automatically adaptive to detect water level in various lighting conditions of river scenery. An optimized filter is purposed so that the system becomes robust to changes of lighting condition. More reliability of the proposed system with the optimized filter is confirmed by accuracy of water level detection.
Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1075300Procedia APA BibTeX Chicago EndNote Harvard JSON MLA RIS XML ISO 690 PDF Downloads 1787
 Ministry of international affairs and communications, Japan, http://www.soumu.go.jp/english/index.html
 Ministry of Land, Infrastructure and Transport Government of Japan, http://www.river.go.jp/
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