主要内容

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信号标注

手动和自动标注信号属性、感兴趣区域和点

执行手动和自动信号标注来训练 AI 网络。使用命令行函数或信号标注器标注整个信号、感兴趣区域或点。创建包含数据和标签定义的已标注信号集。

App

信号标注器Label signal attributes, regions, and points of interest

函数

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labeledSignalSetCreate labeled signal set
signalLabelDefinitionCreate signal label definition
labelSpectrogramOptionsSpectrogram options for time-frequency label definition (自 R2025a 起)
countlabelsCount number of unique labels (自 R2021a 起)
filenames2labelsGet list of labels from filenames (自 R2022b 起)
folders2labelsGet list of labels from folder names (自 R2021a 起)
framelblPartition label sequence into frames (自 R2024a 起)
framesigPartition signal into frames (自 R2024a 起)
plotsigroiPlot signal regions based on signal mask
splitlabelsFind indices to split labels according to specified proportions (自 R2021a 起)
signalMaskModify and convert signal masks and extract signal regions of interest
binmask2sigroiConvert binary mask to matrix of ROI limits
extendsigroiExtend signal regions of interest to left and right
extractsigroiExtract signal regions of interest
mergesigroiMerge signal regions of interest
removesigroiRemove signal regions of interest
shortensigroiShorten signal regions of interest from left and right
sigrangebinmaskLabel signal samples with values within a specified range (自 R2023a 起)
sigroi2binmaskConvert matrix of ROI limits to binary mask

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