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A horizon extraction method in ocean observation is proposed. Extracting the horizon correctly from the sea images automatically is a challenge task in ocean environment due to the change of lighting or other diversified conditions. The approach converts a color image to a gray scale image with a fusion scheme of nine color channels, and the conversion is insensitive to the variation of light. The...
A bidirectional overflow digital correction algorithm with a single bit redundancy used in the pipeline A/D converters is presented in this paper. The upper redundance codes and the lower redundance codes are introduced in this digital correction algorithm to correct the comparator offset so that the underflow and overflow of the input signal can be identified by the corrected output. The digital...
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