ltbio.ml.datasets.augmentation

Overview

Classes

DatasetAugmentationTechnique	Helper class that provides a standard way to create an ABC using
Drop	Randomly makes missing samples (* 0) with probability probability.
Flip	Inverts the signal (* -1) with probability probability.
Randomness	Adds gaussian noise to the signal with amplitude magnitude.
Scale	Multiplies the signal by a random value between minimum_magnitude and 1.
Shift	Temporally shifts the signal by displacement * number of samples.
Sine	Adds a sine curve to the signal with random frequency and amplitude magnitude.
SquarePulse	Adds square pulses to the signal with random frequency and amplitude magnitude.

Contents

class ltbio.ml.datasets.augmentation.DatasetAugmentationTechnique(parameter)

Bases: abc.ABC

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Helper class that provides a standard way to create an ABC using inheritance.

class ltbio.ml.datasets.augmentation.Drop(probability)

Bases: DatasetAugmentationTechnique

digraph inheritancefbe730c446 { bgcolor=transparent; rankdir=LR; size="8.0, 12.0"; "ABC" [fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",tooltip="Helper class that provides a standard way to create an ABC using"]; "DatasetAugmentationTechnique" [URL="#ltbio.ml.datasets.augmentation.DatasetAugmentationTechnique",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "ABC" -> "DatasetAugmentationTechnique" [arrowsize=0.5,style="setlinewidth(0.5)"]; "Drop" [URL="#ltbio.ml.datasets.augmentation.Drop",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Randomly makes missing samples (* 0) with probability `probability`."]; "DatasetAugmentationTechnique" -> "Drop" [arrowsize=0.5,style="setlinewidth(0.5)"]; }

Randomly makes missing samples (* 0) with probability probability. Common values for probability are between [0, 0.4]. Values for probability must be between [0, 1].

class ltbio.ml.datasets.augmentation.Flip(probability)

Bases: DatasetAugmentationTechnique

digraph inheritancebb72fb149e { bgcolor=transparent; rankdir=LR; size="8.0, 12.0"; "ABC" [fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",tooltip="Helper class that provides a standard way to create an ABC using"]; "DatasetAugmentationTechnique" [URL="#ltbio.ml.datasets.augmentation.DatasetAugmentationTechnique",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "ABC" -> "DatasetAugmentationTechnique" [arrowsize=0.5,style="setlinewidth(0.5)"]; "Flip" [URL="#ltbio.ml.datasets.augmentation.Flip",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Inverts the signal (* -1) with probability `probability`."]; "DatasetAugmentationTechnique" -> "Flip" [arrowsize=0.5,style="setlinewidth(0.5)"]; }

Inverts the signal (* -1) with probability probability. Values for probability must be between [0, 1].

class ltbio.ml.datasets.augmentation.Randomness(magnitude)

Bases: DatasetAugmentationTechnique

digraph inheritancee646477fa8 { bgcolor=transparent; rankdir=LR; size="8.0, 12.0"; "ABC" [fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",tooltip="Helper class that provides a standard way to create an ABC using"]; "DatasetAugmentationTechnique" [URL="#ltbio.ml.datasets.augmentation.DatasetAugmentationTechnique",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "ABC" -> "DatasetAugmentationTechnique" [arrowsize=0.5,style="setlinewidth(0.5)"]; "Randomness" [URL="#ltbio.ml.datasets.augmentation.Randomness",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Adds gaussian noise to the signal with amplitude `magnitude`."]; "DatasetAugmentationTechnique" -> "Randomness" [arrowsize=0.5,style="setlinewidth(0.5)"]; }

Adds gaussian noise to the signal with amplitude magnitude. Common values for magnitude are between [0, 0.02].

class ltbio.ml.datasets.augmentation.Scale(magnitude)

Bases: DatasetAugmentationTechnique

digraph inheritance104f43884a { bgcolor=transparent; rankdir=LR; size="8.0, 12.0"; "ABC" [fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",tooltip="Helper class that provides a standard way to create an ABC using"]; "DatasetAugmentationTechnique" [URL="#ltbio.ml.datasets.augmentation.DatasetAugmentationTechnique",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "ABC" -> "DatasetAugmentationTechnique" [arrowsize=0.5,style="setlinewidth(0.5)"]; "Scale" [URL="#ltbio.ml.datasets.augmentation.Scale",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Multiplies the signal by a random value between `minimum_magnitude` and 1."]; "DatasetAugmentationTechnique" -> "Scale" [arrowsize=0.5,style="setlinewidth(0.5)"]; }

Multiplies the signal by a random value between minimum_magnitude and 1. Common values for minimum_magnitude are between [0.25, 1[.

class ltbio.ml.datasets.augmentation.Shift(displacement)

Bases: DatasetAugmentationTechnique

digraph inheritancede76572aa4 { bgcolor=transparent; rankdir=LR; size="8.0, 12.0"; "ABC" [fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",tooltip="Helper class that provides a standard way to create an ABC using"]; "DatasetAugmentationTechnique" [URL="#ltbio.ml.datasets.augmentation.DatasetAugmentationTechnique",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "ABC" -> "DatasetAugmentationTechnique" [arrowsize=0.5,style="setlinewidth(0.5)"]; "Shift" [URL="#ltbio.ml.datasets.augmentation.Shift",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Temporally shifts the signal by `displacement` * number of samples."]; "DatasetAugmentationTechnique" -> "Shift" [arrowsize=0.5,style="setlinewidth(0.5)"]; }

Temporally shifts the signal by displacement * number of samples. Direction (left or right) is chosen with equal probability. Values for displacement must be between [0, 1].

class ltbio.ml.datasets.augmentation.Sine(magnitude)

Bases: DatasetAugmentationTechnique

digraph inheritance5b9e39da64 { bgcolor=transparent; rankdir=LR; size="8.0, 12.0"; "ABC" [fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",tooltip="Helper class that provides a standard way to create an ABC using"]; "DatasetAugmentationTechnique" [URL="#ltbio.ml.datasets.augmentation.DatasetAugmentationTechnique",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "ABC" -> "DatasetAugmentationTechnique" [arrowsize=0.5,style="setlinewidth(0.5)"]; "Sine" [URL="#ltbio.ml.datasets.augmentation.Sine",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Adds a sine curve to the signal with random frequency and amplitude `magnitude`."]; "DatasetAugmentationTechnique" -> "Sine" [arrowsize=0.5,style="setlinewidth(0.5)"]; }

Adds a sine curve to the signal with random frequency and amplitude magnitude. Frequency is random between [0.001, 0.02]. Common values for magnitude are between [0, 1].

class ltbio.ml.datasets.augmentation.SquarePulse(magnitude)

Bases: DatasetAugmentationTechnique

digraph inheritance1b8c3577dd { bgcolor=transparent; rankdir=LR; size="8.0, 12.0"; "ABC" [fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",tooltip="Helper class that provides a standard way to create an ABC using"]; "DatasetAugmentationTechnique" [URL="#ltbio.ml.datasets.augmentation.DatasetAugmentationTechnique",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top"]; "ABC" -> "DatasetAugmentationTechnique" [arrowsize=0.5,style="setlinewidth(0.5)"]; "SquarePulse" [URL="#ltbio.ml.datasets.augmentation.SquarePulse",fillcolor=white,fontname="Vera Sans, DejaVu Sans, Liberation Sans, Arial, Helvetica, sans",fontsize=10,height=0.25,shape=box,style="setlinewidth(0.5),filled",target="_top",tooltip="Adds square pulses to the signal with random frequency and amplitude `magnitude`."]; "DatasetAugmentationTechnique" -> "SquarePulse" [arrowsize=0.5,style="setlinewidth(0.5)"]; }

Adds square pulses to the signal with random frequency and amplitude magnitude. Frequency is random between [0.001, 0.1]. Common values for magnitude are between [0, 0.02].