来自高发庆的问题
【英语翻译Themostinterestingdissimilaritybetweenthesetwokindsoftransformsisthatindividualwaveletfunctionsarelocalizedinspace.Fouriersineandcosinefunctionsarenot.Thislocalizationfeature,alongwithwavelets'localizationof】
英语翻译
Themostinterestingdissimilaritybetweenthesetwokindsoftransformsisthatindividualwaveletfunctionsarelocalizedinspace.Fouriersineandcosinefunctionsarenot.Thislocalizationfeature,alongwithwavelets'localizationoffrequency,makesmanyfunctionsandoperatorsusingwavelets"sparse"whentransformedintothewaveletdomain.Thissparseness,inturn,resultsinanumberofusefulapplicationssuchasdatacompression,detectingfeaturesinimages,andremovingnoisefromtimeseries.
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2020-12-26 04:30