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Copy pathCreateDataset.py
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1535 lines (1356 loc) · 75.5 KB
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import os
import re
import gc
import numpy as np
import numpy.random
import matplotlib.pylab as plt
import sklearn
from sklearn import decomposition
from sklearn.externals import joblib
from scipy.spatial.distance import cdist
import pandas as pd
from tqdm import tqdm
from CreateFeature import getFileStatisticsOfFile
from CreateFeature import buildFeatures
import CreateUtils
import CoordinateTransforms
import tictoc
timer = tictoc.tictoc()
doScaryShuffle = True
def shuffleDimensions(x, shuffleOrder):
for currentAxis in reversed(shuffleOrder):
x = np.rollaxis(x, currentAxis)
return x
def shuffle_in_unison_inplace(a, b):
assert len(a) == len(b)
p = np.random.permutation(len(a))
return a[p], b[p]
def shuffle_in_unison_inplaceWithP(a, b):
assert len(a) == len(b)
p = np.random.permutation(len(a))
return a[p], b[p], p
def shuffle_in_unison_scary(a, b):
assert len(a) == len(b)
rng_state = np.random.get_state()
np.random.shuffle(a)
np.random.set_state(rng_state)
np.random.shuffle(b)
def getRowsForFileDueToSequence(thisFileRows, timestepsPerSequence, offsetBetweenSequences,
fractionOfRandomToUse, padSequenceWithZeros):
if timestepsPerSequence is not None and offsetBetweenSequences is not None:
if not padSequenceWithZeros:
totalPossibleUniqueSamples = int(
(thisFileRows - timestepsPerSequence) / float(abs(offsetBetweenSequences)))
else:
totalPossibleUniqueSamples = np.ceil(thisFileRows / float(abs(offsetBetweenSequences)))
# if the offset is 0 or negative use the fraction instead
if offsetBetweenSequences > 0:
actualNewSamples = totalPossibleUniqueSamples
else:
actualNewSamples = int(totalPossibleUniqueSamples * fractionOfRandomToUse)
return actualNewSamples
else:
# if eiter were none then the sequence length is all the samples and thus there is one row
return 1
def updateOutputFinalWithOutputTemp(outputLabelsFinal, outputLabelsTemp):
# consolidate all outputLabels into the final array
# Old Way
# outputLabelsTempTuple = [tuple(output) for output in outputLabelsTemp]
# for output in tqdm(outputLabelsTempTuple, "Labels Loop"):
# if not outputLabelsFinal or output not in set(outputLabelsFinal):
# outputLabelsFinal.append(output)
# New Way
outputLabelsTempSet = set(outputLabelsTemp)
outputLabelsFinalSet = set(outputLabelsFinal)
sameLabels = outputLabelsFinalSet.intersection(outputLabelsTempSet)
newLabels = outputLabelsTempSet.difference(sameLabels)
outputLabelsFinal += (list(newLabels))
return outputLabelsFinal
def getYColumnSize(datasetParameters):
yValueType = datasetParameters['yValueType']
# GPS parameters
if 'y value parameters' in datasetParameters:
includeAltitude = datasetParameters['y value parameters']['y value by gps Parameters']['includeAltitude']
else:
includeAltitude = False
# Sequence Parameters
makeSequences = datasetParameters['makeSequences'] if 'makeSequences' in datasetParameters else False
timestepsPerSequence = datasetParameters[
'timestepsPerSequence'] if 'timestepsPerSequence' in datasetParameters else 100
timeDistributedY = datasetParameters['timeDistributedY'] if 'timeDistributedY' in datasetParameters else False
totalyColumns = 1
if yValueType in CreateUtils.yValueContinuousTypes:
if yValueType in CreateUtils.yValueGPSTypes:
if includeAltitude:
totalyColumns = 3
else:
totalyColumns = 2
if makeSequences and timeDistributedY:
totalyColumns *= int(timestepsPerSequence)
return totalyColumns
def deterineYValuesGridByGPSArrayInLocalLevelCoords(gpsDataArrayLocalLevelCoords, gridSize):
gridSize = np.array(gridSize[0:gpsDataArrayLocalLevelCoords.shape[1]])
gridArg = np.ceil(np.array(gpsDataArrayLocalLevelCoords / gridSize)) * gridSize[None, :]
fYTempArg = gridArg - gridSize / 2.0
return fYTempArg
def sliceUpArray(arrayToSlice, startSample, endSample, flipCurrentSlice):
if startSample > endSample:
if flipCurrentSlice:
part1 = arrayToSlice[startSample:]
part2 = np.flipud(arrayToSlice[-endSample:])
curSlice = np.concatenate([part1, part2]).flatten()
else:
part1 = arrayToSlice[startSample:]
part2 = arrayToSlice[:endSample]
curSlice = np.concatenate([part1, part2]).flatten()
else:
if flipCurrentSlice:
curSlice = np.flipud(arrayToSlice[-endSample:-startSample]).flatten()
else:
curSlice = arrayToSlice[startSample:endSample].flatten()
return curSlice
def getIndexOfLabels(dataArray, currentLabelsList):
# get the unique parts from this fYTemp array
# timer.tic("Getting unique stuff")
fYTempWithRowView = np.ascontiguousarray(dataArray).view(
np.dtype((np.void, dataArray.dtype.itemsize * dataArray.shape[1])))
_, idx, unique_inverse = np.unique(fYTempWithRowView, return_index=True, return_inverse=True)
uniquefYTemp = dataArray[idx]
# timer.toc()
# timer.tic("Getting new labels")
# make them labels now
outputLabelsTemp = []
uniqueAsStrings = np.array(uniquefYTemp, dtype=str)
for yIndex in range(uniqueAsStrings.shape[0]):
newLabel = ','.join(yItem for yItem in uniqueAsStrings[yIndex])
outputLabelsTemp.append(newLabel)
# timer.toc()
# timer.tic("Update current labels")
# add the new temp lables to the end of the larger final space removing duplicates
currentLabelsList = updateOutputFinalWithOutputTemp(currentLabelsList, outputLabelsTemp)
# timer.toc()
# timer.tic("Map current labels to new labels")
indexOfNewLabels = np.zeros_like(unique_inverse)
for newOutputLabel, indexNumber in zip(outputLabelsTemp, range(len(outputLabelsTemp))):
indexOfNewLabels[indexNumber == unique_inverse] = currentLabelsList.index(newOutputLabel)
# timer.toc()
return indexOfNewLabels, currentLabelsList
def getXYTempAndLabelsFromFile(featureStorePath,
datasetParameters,
imageShape,
useMetadata,
metadataList,
yValueType,
outputLabelsFinal=None,
rowPackagingMetadataFinal=None):
filterXToUpperDiagonal = datasetParameters[
'filterXToUpperDiagonal'] if 'filterXToUpperDiagonal' in datasetParameters else False
# GPS parameters
if 'y value parameters' in datasetParameters:
includeAltitude = datasetParameters['y value parameters']['y value by gps Parameters']['includeAltitude']
gridSize = datasetParameters['y value parameters']['y value by gps Parameters']['gridSize'] \
if 'gridSize' in datasetParameters['y value parameters']['y value by gps Parameters'] else None
localLevelOriginInECEF = datasetParameters['y value parameters']['y value by gps Parameters'][
'localLevelOriginInECEF']
else:
includeAltitude = False
gridSize = (10, 10, 1000)
localLevelOriginInECEF = [506052.051626, -4882162.055080, 4059778.630410]
# Sequence Parameters
makeSequences = datasetParameters['makeSequences'] if 'makeSequences' in datasetParameters else False
timestepsPerSequence = datasetParameters[
'timestepsPerSequence'] if 'timestepsPerSequence' in datasetParameters else 100
# offsetBetweenSequences = -1 will mean use random start locations
offsetBetweenSequences = datasetParameters[
'offsetBetweenSequences'] if 'offsetBetweenSequences' in datasetParameters else 1
fractionOfRandomToUse = datasetParameters[
'fractionOfRandomToUse'] if 'fractionOfRandomToUse' in datasetParameters else 0.5
padSequenceWithZeros = datasetParameters[
'padSequenceWithZeros'] if 'padSequenceWithZeros' in datasetParameters else False
repeatSequenceBeginningAtEnd = datasetParameters['repeatSequenceBeginningAtEnd'] \
if 'repeatSequenceBeginningAtEnd' in datasetParameters else False
repeatSequenceEndingAtEnd = datasetParameters[
'repeatSequenceEndingAtEnd'] if 'repeatSequenceEndingAtEnd' in datasetParameters else False
timeDistributedY = datasetParameters['timeDistributedY'] if 'timeDistributedY' in datasetParameters else False
# packaging data
rowPackagingStyle = datasetParameters['rowPackagingStyle'] if 'rowPackagingStyle' in datasetParameters else None
minForClassTransition = datasetParameters['minForClassTransition'] if 'minForClassTransition' in datasetParameters else 1
with pd.HDFStore(featureStorePath, 'r') as featureStore:
print (featureStorePath)
fXTemp = featureStore['X']
assert 'metadata' in featureStore, "There is no metadata in file {0}".format(
featureStorePath)
metadataFull = featureStore['metadata']
if useMetadata:
metadataArray = metadataFull[metadataList]
fXTemp = (pd.concat([fXTemp, metadataArray], axis=1))
fXTemp = fXTemp.as_matrix()
#########################
# Features X Matrix #
#########################
# timer.tic("X Values")
# remove any NANs and make them 0
if np.isnan(fXTemp).any():
print("Found {0} nan(s) in X matrix".format(np.sum(np.isnan(fXTemp))))
fXTemp[np.isnan(fXTemp)] = 0
# filter the X to the upper triangle
if filterXToUpperDiagonal:
rowColMatrix = np.zeros(imageShape[1:3])
for i in range(rowColMatrix.shape[0]):
for j in range(rowColMatrix.shape[1]):
if i == 0:
rowColMatrix[i, j] = True
else:
rowColMatrix[i, j] = j / float(i) >= rowColMatrix.shape[1] / float(
rowColMatrix.shape[0])
flatMask = rowColMatrix.flatten() == 1
fXTemp = fXTemp[:, flatMask]
# timer.toc()
###################
# Target Y Values #
###################
# timer.tic("Making Y Values")
if yValueType in CreateUtils.yValueGPSTypes:
fYTemp = metadataFull[['LatitudeiPhone', 'LongitudeiPhone', 'AltitudeiPhone']].as_matrix()
# turn Lat Lon into radians from degrees
fYTemp[:, 0:2] = fYTemp[:, 0:2] * np.pi / 180.0
ecefCoords = CoordinateTransforms.LlhToEcef(fYTemp)
fYTemp = CoordinateTransforms.EcefToLocalLevel(localLevelOriginInECEF, ecefCoords)
if not includeAltitude:
fYTemp = fYTemp[:, 0:2]
# yValueType specific
if yValueType == 'gpsPolar':
fYTemp[:, 0] = np.sqrt(
np.multiply(fYTemp[:, 0], fYTemp[:, 0]) + np.multiply(fYTemp[:, 1], fYTemp[:, 1]))
fYTemp[:, 1] = np.arctan2(fYTemp[:, 1], fYTemp[:, 0]) * 180.0 / np.pi
if yValueType == 'gpsD':
# force the Y output to be a number of a grid location
fYTemp = deterineYValuesGridByGPSArrayInLocalLevelCoords(fYTemp, gridSize)
if yValueType == 'particle':
particleFilePath = CreateUtils.getAbsolutePath(datasetParameters['y value parameters']['particleFilePath'])
# the file should be in North x East with the same local level coord
particleArray = np.genfromtxt(particleFilePath, delimiter=',', skip_header=1)
distArray = cdist(fYTemp, particleArray, metric='euclidean')
fYTemp = np.argmin(distArray, axis=1)
fYTemp = particleArray[fYTemp, :]
elif yValueType == 'time':
fYTemp = metadataFull['ElapsedSeconds']
elif yValueType == 'file':
fYTemp = metadataFull['BaseFileName']
else:
raise ValueError("Invalid yValueType: {0}".format(yValueType))
# remove any nans
if np.isnan(fYTemp).any():
print("Found {0} nan(s) in Y matrix".format(np.sum(np.isnan(fYTemp))))
fYTemp[np.isnan(fYTemp)] = 0
# timer.toc()
##########
# Labels #
##########
# timer.tic("Making Labels")
if yValueType in CreateUtils.yValueDiscreteTypes:
labelIndices, outputLabelsFinal = getIndexOfLabels(fYTemp, outputLabelsFinal)
fYTemp = labelIndices
fYTemp = fYTemp[:, None]
# timer.toc()
######################
# Package Data #######
######################
# timer.tic("Making Package Data")
if rowPackagingStyle == 'BaseFileNameWithNumber':
dataArray = metadataFull['BaseFileNameWithNumber'].as_matrix()
dataArray = dataArray.astype(str)
dataArray = dataArray[:, None]
rowPackagingMetadata, rowPackagingMetadataFinal = getIndexOfLabels(dataArray, rowPackagingMetadataFinal)
rowPackagingMetadata = rowPackagingMetadata[:, None]
elif rowPackagingStyle == 'gpsD':
# pull out variables for packing
gridSizePackage = datasetParameters['gridSizePackage'] if 'gridSizePackage' in datasetParameters else (1, 1, 1)
# calculate the coordinate positions
gpsCoords = metadataFull[['LatitudeiPhone', 'LongitudeiPhone', 'AltitudeiPhone']].as_matrix()
# turn Lat Lon into radians from degrees
gpsCoords[:, 0:2] = gpsCoords[:, 0:2] * np.pi / 180.0
ecefCoords = CoordinateTransforms.LlhToEcef(gpsCoords)
localLevelCoords = CoordinateTransforms.EcefToLocalLevel(localLevelOriginInECEF, ecefCoords)
localLevelCoords = localLevelCoords[:, 0:2]
# make them discrete to a grid
newGridCoordinates = deterineYValuesGridByGPSArrayInLocalLevelCoords(localLevelCoords, gridSizePackage)
# turn the positions into class indices
rowPackagingMetadata, rowPackagingMetadataFinal = getIndexOfLabels(newGridCoordinates,
rowPackagingMetadataFinal)
rowPackagingMetadata = rowPackagingMetadata[:, None]
elif rowPackagingStyle == 'particle':
# pull out variables for packing
particlePackFilePath = CreateUtils.getAbsolutePath(datasetParameters['particlePackFilePath'])
# the file should be in North x East with the same local level coord
particleArray = np.genfromtxt(particlePackFilePath, delimiter=',', skip_header=1)
# calculate the coordinate positions
gpsCoords = metadataFull[['LatitudeiPhone', 'LongitudeiPhone', 'AltitudeiPhone']].as_matrix()
# turn Lat Lon into radians from degrees
gpsCoords[:, 0:2] = gpsCoords[:, 0:2] * np.pi / 180.0
ecefCoords = CoordinateTransforms.LlhToEcef(gpsCoords)
localLevelCoords = CoordinateTransforms.EcefToLocalLevel(localLevelOriginInECEF, ecefCoords)
localLevelCoords = localLevelCoords[:, 0:2]
# make coords discrete to particles
distArray = cdist(localLevelCoords, particleArray, metric='euclidean')
newGridCoordinates = np.argmin(distArray, axis=1)
newGridCoordinates = particleArray[newGridCoordinates, :]
# turn the positions into class indices
rowPackagingMetadata, rowPackagingMetadataFinal = getIndexOfLabels(newGridCoordinates, rowPackagingMetadataFinal)
rowPackagingMetadata = rowPackagingMetadata[:, None]
elif rowPackagingStyle in ['class', 'classWithClassTransitions']:
# turn the positions into class indices
rowPackagingMetadata, rowPackagingMetadataFinal = getIndexOfLabels(fYTemp, rowPackagingMetadataFinal)
if rowPackagingStyle == 'classWithClassTransitions':
currentMinLength = 1
assert rowPackagingMetadata.size > minForClassTransition, "min is too big for data"
while currentMinLength < minForClassTransition:
indicesOfChanges = np.where(np.concatenate(([True], rowPackagingMetadata[:-1] != rowPackagingMetadata[1:], [True])))[0]
lengthOfChanges = np.diff(indicesOfChanges)
currentMin = np.min(lengthOfChanges)
if currentMin > minForClassTransition:
break
if currentMin > currentMinLength:
currentMinLength = currentMin
indicesOfChanges = indicesOfChanges[:-1]
startNumbers = rowPackagingMetadata[indicesOfChanges[:-1]]
indicesOfThisSize = indicesOfChanges[lengthOfChanges == currentMinLength]
startNumbersOfThisSizeIndices = np.where(lengthOfChanges == currentMinLength)[0]
for i, indexOfThisSize in enumerate(indicesOfThisSize):
starter = startNumbers[startNumbersOfThisSizeIndices[i] - 1] if startNumbersOfThisSizeIndices[i] - 1 > 0 else startNumbers[0]
rowPackagingMetadata[indexOfThisSize:indexOfThisSize + currentMinLength] = starter
indicesOfChanges = np.where(np.concatenate(([True], rowPackagingMetadata[:-1] != rowPackagingMetadata[1:], [True])))[0]
lengthOfChanges = np.diff(indicesOfChanges)
indicesOfChanges = indicesOfChanges[:-1]
startNumbers = rowPackagingMetadata[indicesOfChanges[:-1]]
endNumbers = rowPackagingMetadata[indicesOfChanges[1:]]
transitionLabels = ["{0}->{1}".format(startClass, endClass) for (startClass, endClass) in zip(startNumbers, endNumbers)]
startEndIndices = np.vstack((indicesOfChanges[:-2], indicesOfChanges[1:-1]))
transitionIndices = np.array(np.floor(np.median(startEndIndices, axis=0)), dtype=np.int64)
transitionStartEndLengths = np.vstack((lengthOfChanges[:-1], lengthOfChanges[1:]))
transitionLengths = np.array(np.floor(np.mean(transitionStartEndLengths, axis=0)), dtype=np.int64)
classTransitionMask = np.zeros_like(rowPackagingMetadata, dtype='|S8')
classTransitionMask[:transitionIndices[0]] = transitionLabels[0]
classTransitionMask[transitionIndices[-1]:] = transitionLabels[-1]
for transitionIndex, transitionLength, transitionLabel in zip(transitionIndices, transitionLengths, transitionLabels):
classTransitionMask[transitionIndex:transitionIndex + transitionLength] = transitionLabel
classTransitionMask = classTransitionMask[:, None]
rowPackagingMetadataTransitions, rowPackagingMetadataFinal = getIndexOfLabels(classTransitionMask, rowPackagingMetadataFinal)
# Stack together both rowPackagingMetadata arrays
rowPackagingMetadata = np.hstack((rowPackagingMetadata, rowPackagingMetadataTransitions))
rowPackagingMetadata = rowPackagingMetadata[:, None]
else:
rowPackagingMetadata = None
# timer.toc()
######################
# Sequence Creator ###
######################
if makeSequences:
# timer.tic("Make Sequences")
actualNewSamples = getRowsForFileDueToSequence(fXTemp.shape[0],
timestepsPerSequence,
offsetBetweenSequences,
fractionOfRandomToUse,
padSequenceWithZeros)
# indicies based on the actual file size
offsetIndices = np.arange(actualNewSamples)
if len(fYTemp.shape) < 2:
fYTemp = numpy.expand_dims(fYTemp, axis=1)
sequencefX = np.zeros((int(actualNewSamples), int(fXTemp.shape[1] * timestepsPerSequence)))
sequencefY = np.zeros((int(actualNewSamples), int(fYTemp.shape[1] * timestepsPerSequence)))
sequenceRowPackagingMetadata = np.zeros(
(int(actualNewSamples), int(rowPackagingMetadata.shape[1] * timestepsPerSequence)))
for offsetIndex in offsetIndices:
# Determine start and ending
if repeatSequenceBeginningAtEnd or repeatSequenceEndingAtEnd:
startSample = np.mod(int(offsetIndex * offsetBetweenSequences), fXTemp.shape[0])
endSample = np.mod(int(offsetIndex * offsetBetweenSequences + timestepsPerSequence),
fXTemp.shape[0] + 1)
cutSize = int(endSample - startSample) if endSample > startSample else int(
endSample + (fXTemp.shape[0] - startSample))
flipCurrentSlice = repeatSequenceEndingAtEnd and np.mod(
int(offsetIndex * offsetBetweenSequences + timestepsPerSequence) / fXTemp.shape[0], 2) == 1
else:
startSample = int(offsetIndex * offsetBetweenSequences)
endSample = int(
min(offsetIndex * offsetBetweenSequences + timestepsPerSequence,
fXTemp.shape[0] - 1))
cutSize = endSample - startSample
# Slice up X
curSliceX = sliceUpArray(fXTemp, startSample, endSample, flipCurrentSlice)
sequencefX[int(offsetIndex), 0:int(cutSize * fXTemp.shape[1])] = curSliceX
# Slice up y
curSliceY = sliceUpArray(fYTemp, startSample, endSample, flipCurrentSlice)
sequencefY[int(offsetIndex), 0:int(cutSize * fYTemp.shape[1])] = curSliceY
# Slice up rowPackagingMetadata
curSliceRPM = sliceUpArray(rowPackagingMetadata, startSample, endSample, flipCurrentSlice)
sequenceRowPackagingMetadata[int(offsetIndex), 0:int(cutSize * rowPackagingMetadata.shape[1])] = curSliceRPM
if not timeDistributedY:
sequencefY = sequencefY[:, 0]
fXTemp = sequencefX
fYTemp = sequencefY
rowPackagingMetadata = sequenceRowPackagingMetadata
# timer.toc()
return fXTemp, fYTemp, outputLabelsFinal, rowPackagingMetadata, rowPackagingMetadataFinal
def finalFilteringSets(setDictArg, datasetParameters, filterFitSets, yValueType, totalXColumns, totalYColumns, storeFilterFile, savedFilterFile):
shuffleFinalSamples = datasetParameters['shuffleFinalSamples'] if 'shuffleFinalSamples' in datasetParameters else False
# Sequence Parameters
makeSequences = datasetParameters['makeSequences'] if 'makeSequences' in datasetParameters else False
timestepsPerSequence = datasetParameters['timestepsPerSequence'] if 'timestepsPerSequence' in datasetParameters else 100
# Saved Filter parameters
useSavedFilter = datasetParameters['useSavedFilter'] if 'useSavedFilter' in datasetParameters else False
# Filter parameters
filterPCA = datasetParameters['filterPCA'] if 'filterPCA' in datasetParameters else False
filterPCAn_components = datasetParameters[
'filterPCAn_components'] if 'filterPCAn_components' in datasetParameters else None
filterPCAwhiten = datasetParameters['filterPCAwhiten'] if 'filterPCAwhiten' in datasetParameters else False
yScaleFactor = datasetParameters['y value parameters']['yScaleFactor'] if 'yScaleFactor' in datasetParameters[
'y value parameters'] else 1.0
yBias = datasetParameters['y value parameters']['yBias'] if 'yBias' in datasetParameters[
'y value parameters'] else 0.0
yNormalized = datasetParameters['y value parameters']['yNormalized'] if 'yNormalized' in datasetParameters[
'y value parameters'] else False
xScaleFactor = datasetParameters['xScaleFactor'] if 'xScaleFactor' in datasetParameters else 1.0
xBias = datasetParameters['xBias'] if 'xBias' in datasetParameters else 0.0
xNormalized = datasetParameters['xNormalized'] if 'xNormalized' in datasetParameters else False
if useSavedFilter:
print("Using Saved filter {0}".format(savedFilterFile))
savedFilterDict = joblib.load(savedFilterFile)
pca = savedFilterDict['pca']
xBias = savedFilterDict['xBias']
yBias = savedFilterDict['yBias']
xScaleFactor = savedFilterDict['xScaleFactor']
yScaleFactor = savedFilterDict['yScaleFactor']
else:
print("Creating New Filte File {0}".format(storeFilterFile))
filterFitX = np.empty((0, totalXColumns))
filterFitY = np.empty((0, totalYColumns))
for setName, setValue in setDictArg.iteritems():
if setName in filterFitSets:
filterFitX = np.vstack((filterFitX, setValue[0]))
filterFitY = np.vstack((filterFitY, setValue[1]))
if makeSequences:
filterFitX = np.reshape(filterFitX,
(int(filterFitX.shape[0] * timestepsPerSequence),
int(filterFitX.shape[1] / timestepsPerSequence)))
filterFitY = np.reshape(filterFitY,
(int(filterFitY.shape[0] * timestepsPerSequence),
int(filterFitY.shape[1] / timestepsPerSequence)))
if filterPCA:
if filterPCAn_components is None:
filterPCAn_components = filterFitX.shape[1]
pca = decomposition.PCA(n_components=filterPCAn_components, whiten=filterPCAwhiten, copy=True)
pca.fit(filterFitX)
else:
pca = None
if xNormalized:
xBias = -np.min(filterFitX, axis=0)
xScaleFactor = 1.0 / (np.max(filterFitX, axis=0) + xBias)
if yNormalized:
yBias = - np.min(filterFitY, axis=0)
yScaleFactor = 1.0 / (np.max(filterFitY, axis=0) + yBias)
savedFilterDict = {
'pca': pca,
'xBias': xBias,
'yBias': yBias,
'xScaleFactor': xScaleFactor,
'yScaleFactor': yScaleFactor,
}
joblib.dump(savedFilterDict, storeFilterFile)
for setName, setValue in setDictArg.iteritems():
if yValueType in CreateUtils.yValueDiscreteTypes:
# remove rows I rejected by giving a y value of -1
goodRows = np.array(setValue[1] >= 0)
goodRows = goodRows.flatten()
setValue[0] = setValue[0][goodRows, :]
setValue[1] = setValue[1][goodRows]
else:
# Y scaling
# reshape out of sequences
if makeSequences:
filterY = np.reshape(setValue[1],
(int(setValue[1].shape[0] * timestepsPerSequence),
int(setValue[1].shape[1] / timestepsPerSequence)))
else:
filterY = setValue[1]
filterY += yBias
filterY *= yScaleFactor
# reshape back to sequences
if makeSequences:
setValue[1] = np.reshape(filterY,
(int(filterY.shape[0] / timestepsPerSequence),
int(filterY.shape[1] * timestepsPerSequence)))
else:
setValue[1] = filterY
# X filter and scaling changes
# reshape out of sequences
if makeSequences:
filterX = np.reshape(setValue[0],
(int(setValue[0].shape[0] * timestepsPerSequence),
int(setValue[0].shape[1] / timestepsPerSequence)))
else:
filterX = setValue[0]
# now I can work on a sample by sample basis not sequence by sequence
# do some biasing and scaling
filterX += xBias
filterX *= xScaleFactor
# do the PCA transform
if pca is not None:
filterX = pca.transform(filterX)
# reshape back to sequences
if makeSequences:
setValue[0] = np.reshape(filterX,
(int(filterX.shape[0] / timestepsPerSequence),
int(filterX.shape[1] * timestepsPerSequence)))
else:
setValue[0] = filterX
if shuffleFinalSamples:
timer.tic("Shuffle {0} Set".format(setName))
if not doScaryShuffle:
(setValue[0], setValue[1]) = shuffle_in_unison_inplace(setValue[0], setValue[1])
else:
shuffle_in_unison_scary(setValue[0], setValue[1])
timer.toc()
return setDictArg, xScaleFactor, xBias, yScaleFactor, yBias
def plotY(yWorking, yNormalized):
plt.figure(1)
xer = yWorking[0::2].flatten()
yer = yWorking[1::2].flatten()
plt.plot(yer, xer)
plt.scatter(yer, xer, c=range(xer.size), cmap=plt.cm.get_cmap('spectral'))
plt.ylim([-800, 600])
plt.xlim([-800, 600])
if yNormalized:
plt.ylim([0, 1])
plt.xlim([0, 1])
plt.show()
def plotYKeras(yWorking, stepper, seqs, yNormalized):
ranger = np.arange(seqs, yWorking.shape[0], stepper)
filterRange = ranger
print filterRange
xer = yWorking[filterRange, 0::2].flatten()
yer = yWorking[filterRange, 1::2].flatten()
plt.plot(yer, xer)
plt.scatter(yer, xer, c=range(xer.size), cmap=plt.cm.get_cmap('spectral'))
plt.ylim([-800, 600])
plt.xlim([-800, 600])
if yNormalized:
plt.ylim([0, 1])
plt.xlim([0, 1])
plt.show()
def repackageSets(setDictArg, datasetParameters, rowProcessingMetadataDictArg):
rowPackagingStyle = datasetParameters['rowPackagingStyle'] if 'rowPackagingStyle' in datasetParameters else None
padRowPackageWithZeros = datasetParameters[
'padRowPackageWithZeros'] if 'padRowPackageWithZeros' in datasetParameters else False
repeatRowPackageBeginningAtEnd = datasetParameters[
'repeatRowPackageBeginningAtEnd'] if 'repeatRowPackageBeginningAtEnd' in datasetParameters else False
repeatRowPackageEndingAtEnd = datasetParameters[
'repeatRowPackageEndingAtEnd'] if 'repeatRowPackageEndingAtEnd' in datasetParameters else False
alternateRowsForKeras = datasetParameters[
'alternateRowsForKeras'] if 'alternateRowsForKeras' in datasetParameters else False
timestepsPerKerasBatchRow = datasetParameters[
'timestepsPerKerasBatchRow'] if 'timestepsPerKerasBatchRow' in datasetParameters else 1
allSetsSameRows = datasetParameters['allSetsSameRows'] if 'allSetsSameRows' in datasetParameters else False
shuffleSamplesAfterRepackaging = datasetParameters[
'shuffleSamplesAfterRepackaging'] if 'shuffleSamplesAfterRepackaging' in datasetParameters else False
packagedRowsPerSetDict = {}
packagedColumnsPerSetDict = {}
trueRowsPerSetDict = {}
trueColumnsPerSetDict = {}
kerasRowMultiplier = 1
if rowPackagingStyle is not None:
newRowsMax = 0
totalColumnCountMax = 0
for setName, setValue in setDictArg.iteritems():
rowMetadata = rowProcessingMetadataDictArg[setName]
uniqueRows, uniqueCounts = np.unique(rowMetadata, return_counts=True)
# filter out numbers less than 0
uniqueCounts = uniqueCounts[uniqueRows > -1]
uniqueRows = uniqueRows[uniqueRows > -1]
# get the total row and column count for this set
newRows = uniqueRows.shape[0]
trueRowsPerSetDict[setName] = newRows
newRowsMax = newRows if newRows > newRowsMax else newRowsMax
totalColumnCount = int(np.max(uniqueCounts) if padRowPackageWithZeros else np.min(uniqueCounts))
trueColumnsPerSetDict[setName] = totalColumnCount
totalColumnCountMax = totalColumnCount if totalColumnCount > totalColumnCountMax else totalColumnCountMax
if alternateRowsForKeras:
if padRowPackageWithZeros:
kerasRowMultiplier = int(np.ceil(totalColumnCountMax / float(timestepsPerKerasBatchRow)))
else:
kerasRowMultiplier = int(np.floor(totalColumnCountMax / float(timestepsPerKerasBatchRow)))
totalColumnCount = kerasRowMultiplier * timestepsPerKerasBatchRow
else:
totalColumnCount = totalColumnCountMax
for setName, setValue in setDictArg.iteritems():
packagedColumnsPerSetDict[setName] = totalColumnCount
rowMetadata = rowProcessingMetadataDictArg[setName]
uniqueRows, uniqueCounts = np.unique(rowMetadata, return_counts=True)
# filter out numbers less than 0
uniqueCounts = uniqueCounts[uniqueRows > -1]
uniqueRows = uniqueRows[uniqueRows > -1]
if allSetsSameRows is True:
newRows = newRowsMax
else:
newRows = uniqueRows.shape[0]
packagedRowsPerSetDict[setName] = newRows
totalColumnsX = setValue[0].shape[1]
totalColumnsY = setValue[1].shape[1]
tempX = np.zeros((newRows, totalColumnsX * totalColumnCount))
tempY = np.zeros((newRows, totalColumnsY * totalColumnCount))
tempSets = [tempX, tempY]
for uniqueRowIndex in tqdm(range(uniqueRows.shape[0]), desc="Rows for Set Name: {setName}".format(setName=setName)):
uniqueRow = uniqueRows[uniqueRowIndex]
uniqueCount = uniqueCounts[uniqueRowIndex]
for totalColumnsSet, setNumber in zip([totalColumnsX, totalColumnsY], [0, 1]):
tempSet = tempSets[setNumber]
sliceTo = min(uniqueCount, totalColumnCount)
setIndexer = np.mod(np.where(rowMetadata.squeeze() == uniqueRow)[0], setValue[setNumber].shape[0])
# now mask out the samples I want from setValue then flatten it and set it to the temp set
tempSet[uniqueRowIndex, :sliceTo * totalColumnsSet] = setValue[setNumber][setIndexer, :].flatten()[:sliceTo * totalColumnsSet]
if uniqueCount < totalColumnCount and (repeatRowPackageBeginningAtEnd or repeatRowPackageEndingAtEnd):
repeatTimes = totalColumnCount / uniqueCount
for repeatTime in range(repeatTimes):
startSample = int((repeatTime + 1) * uniqueCount * totalColumnsSet)
endSample = min(int((repeatTime + 2) * uniqueCount * totalColumnsSet), tempSet.shape[1])
sliceStart = 0
sliceEnd = endSample - startSample
if repeatRowPackageBeginningAtEnd or repeatTime % 2 == 1:
tempSet[uniqueRowIndex, startSample:endSample] = \
tempSet[uniqueRowIndex, :sliceEnd - sliceStart]
elif repeatRowPackageEndingAtEnd:
newSliceStart = uniqueCount * totalColumnsSet - sliceEnd + sliceStart
newSliceEnd = uniqueCount * totalColumnsSet
newshape = ((sliceEnd - sliceStart) / totalColumnsSet, totalColumnsSet)
tempSet[uniqueRowIndex, startSample:endSample] = \
np.flipud(
np.reshape(tempSet[uniqueRowIndex, newSliceStart:newSliceEnd],
newshape=newshape)).flatten()
tempSets[setNumber] = tempSet
# if setNumber == 1:
# print("Before keras Packaging Set Name {0} Row Index {1}".format(setName,uniqueRowIndex))
# plotY(tempSet[uniqueRowIndex, :], True)
if alternateRowsForKeras:
for setNumber, totalColumnsSet in zip([0, 1], [totalColumnsX, totalColumnsY]):
tempSet = tempSets[setNumber]
# tempSet.shape = (run x timesteps x data dim)
tempSet = tempSet.reshape(
(newRows, kerasRowMultiplier, timestepsPerKerasBatchRow * totalColumnsSet), order='C')
# tempSet.shape = (run x slice of run x timestep data dim)
tempSet = tempSet.reshape(
(newRows * kerasRowMultiplier, timestepsPerKerasBatchRow * totalColumnsSet), order='F')
# tempSet.shape = (run count in timestep x timestep data dim)
tempSets[setNumber] = tempSet
# if setNumber == 1:
# for runNumber in range(newRows):
# print("After Keras packaging setName {0} runNumber {1}".format(setName, runNumber))
# plotYKeras(tempSet, newRows, runNumber, True)
if shuffleSamplesAfterRepackaging:
timer.tic("Shuffle After Repackaging {0} Set".format(setName))
if not doScaryShuffle:
(tempSets[0], tempSets[1]) = shuffle_in_unison_inplace(tempSets[0], tempSets[1])
else:
shuffle_in_unison_scary(tempSets[0], tempSets[1])
timer.toc()
setValue[0] = tempSets[0]
setValue[1] = tempSets[1]
return setDictArg, trueRowsPerSetDict, trueColumnsPerSetDict, packagedRowsPerSetDict, packagedColumnsPerSetDict, kerasRowMultiplier
def buildDataSet(datasetParameters, featureParameters, forceRefreshDataset=False):
# feature variables
featureDataFolder = CreateUtils.getProcessedFeaturesFolder(featureParameters['featureSetName'])
featureSetName = featureParameters['featureSetName']
imageShape = featureParameters['imageShape']
# general dataset variables
rawDataFolder = CreateUtils.getRawDataFolder()
datasetName = datasetParameters['datasetName']
processedDataFolder = CreateUtils.getProcessedDataDatasetsFolder(datasetName=datasetName)
# which files to use variables
allBaseFileNames = datasetParameters['allBaseFileNames']
removeFileNumbers = datasetParameters['removeFileNumbers'] if 'removeFileNumbers' in datasetParameters else {}
onlyFileNumbers = datasetParameters['onlyFileNumbers'] if 'onlyFileNumbers' in datasetParameters else {}
# Set variables
fileNamesNumbersToSets = datasetParameters[
'fileNamesNumbersToSets'] if 'fileNamesNumbersToSets' in datasetParameters else []
setFractions = datasetParameters['setFractions'] if 'setFractions' in datasetParameters else []
defaultSetName = datasetParameters['defaultSetName'] if 'defaultSetName' in datasetParameters else "train"
shuffleSamplesPerFile = datasetParameters['shuffleSamplesPerFile']
assert shuffleSamplesPerFile is False, "Shuffle Sample Per File not allowed with separate sets"
maxSamplesPerFile = datasetParameters['maxSamplesPerFile']
assert maxSamplesPerFile < 1, "Max samples Per file not allowed with separate sets"
# X variables
useMetadata = datasetParameters['useMetadata'] if 'useMetadata' in datasetParameters else False
metadataList = datasetParameters['metadataList'] if 'metadataList' in datasetParameters else []
# Y variables
yValueType = datasetParameters['yValueType']
overlapTime = datasetParameters['overlapTime'] if 'overlapTime' in datasetParameters else None
assert yValueType != 'time' and (overlapTime is None or overlapTime is False), "Overlap time feature was removed"
# Sequence Parameters
makeSequences = datasetParameters['makeSequences'] if 'makeSequences' in datasetParameters else False
timestepsPerSequence = datasetParameters[
'timestepsPerSequence'] if 'timestepsPerSequence' in datasetParameters else 100
# offsetBetweenSequences = -1 will mean use random start locations
offsetBetweenSequences = datasetParameters[
'offsetBetweenSequences'] if 'offsetBetweenSequences' in datasetParameters else 1
fractionOfRandomToUse = datasetParameters[
'fractionOfRandomToUse'] if 'fractionOfRandomToUse' in datasetParameters else 0.5
padSequenceWithZeros = datasetParameters[
'padSequenceWithZeros'] if 'padSequenceWithZeros' in datasetParameters else False
# packaging data
rowPackagingStyle = datasetParameters['rowPackagingStyle'] if 'rowPackagingStyle' in datasetParameters else None
# Filter Variables
filterFitSets = datasetParameters['filterFitSets'] if 'filterFitSets' in datasetParameters else None
rngSeed = datasetParameters['rngSeed']
np.random.seed(rngSeed)
datasetFile = CreateUtils.getDatasetFile(featureSetName=featureSetName, datasetName=datasetName, checkExistence=False)
if not os.path.exists(datasetFile) or forceRefreshDataset:
timer.tic("Build dataset {0} for feature set {1}".format(datasetName, featureSetName))
timer.tic("Extract features from stored files")
setDict = {}
rowProcessingMetadataDict = {}
allIncludedFiles = []
totalXColumns = None
totalMetadataPackagingColumns = 1
metadataMultiplier = CreateUtils.metadataMultipliersFromRowPackagingStyle[rowPackagingStyle]
rowPackagingMetadataFinal = []
rowsPerFile = {}
rowsPerBaseFileDict = {}
totalRowsInSetDict = {}
totalFilesInSetDict = {}
maxRowsOfAllFiles = 0
maxSamplesOfAllFiles = 0
outputLabelsFinal = []
if yValueType == 'particle':
particleFilePath = CreateUtils.getAbsolutePath(datasetParameters['y value parameters']['particleFilePath'])
# the file should be in North x East with the same local level coord
particleArray = np.genfromtxt(particleFilePath, delimiter=',', skip_header=1)
labelIndices, outputLabelsFinal = getIndexOfLabels(particleArray, outputLabelsFinal)
timer.tic("Get sizes of files")
for baseFileName in allBaseFileNames:
files = np.array([f2 for f2 in sorted(os.listdir(rawDataFolder)) if
re.match(re.escape(baseFileName) + r'\d*\.(wav|hf)', f2)])
files = CreateUtils.filterFilesByFileNumber(files, baseFileName, removeFileNumbers=removeFileNumbers, onlyFileNumbers=onlyFileNumbers)
if len(files) > 0:
for fileName in tqdm(files, desc="File Loop"):
allIncludedFiles.append(str(fileName))
featureStorePath = os.path.join(featureDataFolder, fileName + ".h5")
with pd.HDFStore(featureStorePath, 'r') as featureStore:
# Get the number of rows and columns in this file
(thisFileRows, thisFileColumns) = featureStore['X'].shape
thisFileSamples = thisFileRows
if useMetadata:
thisFileColumns += len(metadataList)
# it better be the same as the rest
if totalXColumns is None:
totalXColumns = thisFileColumns
assert totalXColumns == thisFileColumns, "One of the datasets has a different number of columns"
# If using sequences get how many X rows we would get form this file
if makeSequences:
thisFileRows = getRowsForFileDueToSequence(thisFileRows,
timestepsPerSequence,
offsetBetweenSequences,
fractionOfRandomToUse,
padSequenceWithZeros)
# update the total Rows
setNames = CreateUtils.getSetNameForFile(fileName, defaultSetName, fileNamesNumbersToSets)
for setName in setNames:
if setName in totalRowsInSetDict:
totalRowsInSetDict[setName] += thisFileRows
totalFilesInSetDict[setName] += 1
else:
totalRowsInSetDict[setName] = thisFileRows
totalFilesInSetDict[setName] = 1
# update base name rows
rowsPerFile[featureStorePath] = thisFileRows
if baseFileName in rowsPerBaseFileDict:
rowsPerBaseFileDict[baseFileName] += thisFileRows
else:
rowsPerBaseFileDict[baseFileName] = thisFileRows
# keep track of the biggest file
if thisFileRows > maxRowsOfAllFiles:
maxRowsOfAllFiles = thisFileRows
if thisFileSamples > maxSamplesOfAllFiles:
maxSamplesOfAllFiles = thisFileSamples
timer.toc()
if timestepsPerSequence is None or offsetBetweenSequences is None:
datasetParameters['timestepsPerSequence'] = maxSamplesOfAllFiles
timestepsPerSequence = maxSamplesOfAllFiles
datasetParameters['offsetBetweenSequences'] = timestepsPerSequence
# if we are making sequences the actual total X columns is multiplied by the timesteps
if makeSequences:
totalXColumns *= timestepsPerSequence
# get the total y columns
totalyColumns = getYColumnSize(datasetParameters)
for (setName, rowsInSet) in totalRowsInSetDict.iteritems():
setDict[setName] = [np.zeros((rowsInSet, totalXColumns)), np.zeros((rowsInSet, totalyColumns))]
rowProcessingMetadataDict[setName] = np.zeros((rowsInSet * metadataMultiplier, totalMetadataPackagingColumns))
setsRowsProcessedTotal = {}
for baseFileName in allBaseFileNames:
files = np.array([f2 for f2 in sorted(os.listdir(rawDataFolder)) if
re.match(re.escape(baseFileName) + r'\d*\.(wav|hf)', f2)])
files = CreateUtils.filterFilesByFileNumber(files, baseFileName, removeFileNumbers=removeFileNumbers,
onlyFileNumbers=onlyFileNumbers)
if len(files) > 0:
for fileName in files:
featureStorePath = os.path.join(featureDataFolder, fileName + ".h5")
(fXTemp,
fYTemp,
outputLabelsFinal,
rowPackagingMetadata,
rowPackagingMetadataFinal) = getXYTempAndLabelsFromFile(featureStorePath=featureStorePath,
datasetParameters=datasetParameters,
imageShape=imageShape,
useMetadata=useMetadata,
metadataList=metadataList,
yValueType=yValueType,
outputLabelsFinal=outputLabelsFinal,
rowPackagingMetadataFinal=rowPackagingMetadataFinal)
setNames = CreateUtils.getSetNameForFile(fileName, defaultSetName, fileNamesNumbersToSets)
for setName in setNames:
if setName not in setsRowsProcessedTotal:
setsRowsProcessedTotal[setName] = 0
rowsProcessedTotal = setsRowsProcessedTotal[setName]
setDict[setName][0][rowsProcessedTotal:(rowsProcessedTotal + fXTemp.shape[0]), :] = fXTemp
setDict[setName][1][rowsProcessedTotal:(rowsProcessedTotal + fYTemp.shape[0]), :] = fYTemp
for mult in range(metadataMultiplier):
totalRows = totalRowsInSetDict[setName]
rowSlicer = slice(rowsProcessedTotal + (totalRows * mult), (rowsProcessedTotal + fYTemp.shape[0] + (totalRows * mult)))
rowSlicer2 = slice(fYTemp.shape[0] * mult, fYTemp.shape[0] * (mult + 1))
rowProcessingMetadataDict[setName][rowSlicer, :] = rowPackagingMetadata[rowSlicer2, :]
setsRowsProcessedTotal[setName] += fXTemp.shape[0]
gc.collect()
gc.collect()
timer.toc() # extract features from files
timer.tic("Filtering Sets")
if filterFitSets is None:
filterFitSets = [defaultSetName]
filterFileName = featureSetName + '(sklearn-' + sklearn.__version__ + ').pkl'
storeFilterFile = os.path.join(processedDataFolder, "SavedFilters", filterFileName)
if 'savedFilterFile' in datasetParameters:
savedFilterFile = CreateUtils.getAbsolutePath(datasetParameters['savedFilterFile'])
elif 'savedFilterFolder' in datasetParameters:
savedFilterFile = os.path.join(CreateUtils.getAbsolutePath(datasetParameters['savedFilterFolder']), filterFileName)
else:
savedFilterFile = ""
(setDict, xScaleFactor, xBias, yScaleFactor, yBias) = finalFilteringSets(setDict,
datasetParameters,
filterFitSets,
yValueType,
totalXColumns,
totalyColumns,
storeFilterFile,
savedFilterFile)
timer.toc()
# repackage the sets for processing
timer.tic("Repackaging sets")
(setDict,
trueRowsPerSetDict,
trueColumnsPerSetDict,
packagedRowsPerSetDict,
packagedColumnsPerSetDict,
kerasRowMultiplier) = repackageSets(setDict,
datasetParameters,
rowProcessingMetadataDict)
timer.toc()
# Start set breakout by fractions
numberOfSamples = 0
for setName, setValue in setDict.iteritems():
numberOfSamples += setValue[0].shape[0]
if len(setFractions) > 0:
timer.tic("Split sets apart to make new sets")
if numberOfSamples > 0:
for (fromSet, toSet, fractionOrTotalrows) in setFractions:
if fractionOrTotalrows < 1.0:
fromSetEnd = int(totalRowsInSetDict[fromSet] * fractionOrTotalrows)
else:
fromSetEnd = fractionOrTotalrows
assert fromSetEnd < setDict[0][fromSet].shape[0], \
"Tried to get too many rows from set {fromSet}".format(fromSet=fromSet)
(setDict[toSet][0], setDict[fromSet][0]) = np.split(setDict[fromSet][0], [fromSetEnd])
(setDict[toSet][1], setDict[fromSet][1]) = np.split(setDict[fromSet][1], [fromSetEnd])
totalFilesInSetDict[toSet] = totalFilesInSetDict[fromSet]
timer.toc()
print("Total samples in all sets {0}".format(numberOfSamples))
print("Samples Per Set:")
for setName, setValue in setDict.iteritems():
print("\t{setName}: {samples} samples".format(setName=setName, samples=setValue[0].shape[0]))
print("Features per set {0}".format(totalXColumns))
print("Output Dim per set {0}".format(totalyColumns))
if yValueType in CreateUtils.yValueDiscreteTypes:
print("Output Classes: {0}".format(len(outputLabelsFinal)))
if rowPackagingStyle is not None:
outputString = '\n'.join(['\t{setName}: {rows}'.format(setName=setName, rows=rows) for setName, rows in trueRowsPerSetDict.iteritems()])
print("True Rows Per Set\n{0}".format(outputString))
print("Keras Row Multiplier: {kerasRowMultiplier}".format(kerasRowMultiplier=kerasRowMultiplier))