Mercurial Hosting > traffic-intelligence
annotate scripts/train-object-classification.py @ 910:b58a1061a717
loading is faster for longest object features
author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
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date | Wed, 28 Jun 2017 15:36:25 -0400 |
parents | 85b81c46c526 |
children | 238008f81c16 |
rev | line source |
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4ad5123d969e
added script to train HoG-SVM classifiers for object classification (based on a script by Sohail Zangenehpour, PhD student at McGill)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
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1 #! /usr/bin/env python |
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added script to train HoG-SVM classifiers for object classification (based on a script by Sohail Zangenehpour, PhD student at McGill)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
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2 |
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3 import numpy as np |
900 | 4 import argparse |
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5 from cv2 import SVM_RBF, SVM_C_SVC |
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6 #from cv2.ml import SVM_RBF, SVM_C_SVC, ROW_SAMPLE # row_sample for layout in cv2.ml.SVM_load |
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7 |
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8 import cvutils, moving, ml, storage |
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9 |
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10 parser = argparse.ArgumentParser(description='The program processes indicators for all pairs of road users in the scene') |
4ad5123d969e
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11 parser.add_argument('-d', dest = 'directoryName', help = 'parent directory name for the directories containing the samples for the different road users', required = True) |
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12 parser.add_argument('--kernel', dest = 'kernelType', help = 'kernel type for the support vector machine (SVM)', default = SVM_RBF, type = long) |
4ad5123d969e
added script to train HoG-SVM classifiers for object classification (based on a script by Sohail Zangenehpour, PhD student at McGill)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
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13 parser.add_argument('--svm', dest = 'svmType', help = 'SVM type', default = SVM_C_SVC, type = long) |
812
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14 parser.add_argument('--deg', dest = 'degree', help = 'SVM degree', default = 0, type = int) |
21f10332c72b
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15 parser.add_argument('--gamma', dest = 'gamma', help = 'SVM gamma', default = 1, type = int) |
21f10332c72b
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16 parser.add_argument('--coef0', dest = 'coef0', help = 'SVM coef0', default = 0, type = int) |
21f10332c72b
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17 parser.add_argument('--cvalue', dest = 'cvalue', help = 'SVM Cvalue', default = 1, type = int) |
21f10332c72b
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
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18 parser.add_argument('--nu', dest = 'nu', help = 'SVM nu', default = 0, type = int) |
21f10332c72b
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parents:
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19 parser.add_argument('--svmp', dest = 'svmP', help = 'SVM p', default = 0, type = int) |
21f10332c72b
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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20 parser.add_argument('--cfg', dest = 'configFilename', help = 'name of the classifier configuration file', required = True) |
21f10332c72b
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parents:
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21 # parser.add_argument('-s', dest = 'rescaleSize', help = 'rescale size of image samples', default = 64, type = int) |
21f10332c72b
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22 # parser.add_argument('-o', dest = 'nOrientations', help = 'number of orientations in HoG', default = 9, type = int) |
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23 # parser.add_argument('-p', dest = 'nPixelsPerCell', help = 'number of pixels per cell', default = 8, type = int) |
21f10332c72b
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24 # parser.add_argument('-c', dest = 'nCellsPerBlock', help = 'number of cells per block', default = 2, type = int) |
21f10332c72b
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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25 |
519
4ad5123d969e
added script to train HoG-SVM classifiers for object classification (based on a script by Sohail Zangenehpour, PhD student at McGill)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
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26 args = parser.parse_args() |
812
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27 classifierParams = storage.ClassifierParameters(args.configFilename) |
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28 |
812
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moved the classification parameters from tracking.cfg to a new classifier.cfg and made all classification parameters apparent
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29 # rescaleSize = (args.rescaleSize, args.rescaleSize) |
21f10332c72b
moved the classification parameters from tracking.cfg to a new classifier.cfg and made all classification parameters apparent
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parents:
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30 # nPixelsPerCell = (args.nPixelsPerCell, args.nPixelsPerCell) |
21f10332c72b
moved the classification parameters from tracking.cfg to a new classifier.cfg and made all classification parameters apparent
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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31 # nCellsPerBlock = (args.nCellsPerBlock, args.nCellsPerBlock) |
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32 |
4ad5123d969e
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33 imageDirectories = {'pedestrian': args.directoryName + "/Pedestrians/", |
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34 'bicycle': args.directoryName + "/Cyclists/", |
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35 'car': args.directoryName + "/Vehicles/"} |
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36 |
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37 trainingSamplesPBV = {} |
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38 trainingLabelsPBV = {} |
4ad5123d969e
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39 trainingSamplesBV = {} |
4ad5123d969e
added script to train HoG-SVM classifiers for object classification (based on a script by Sohail Zangenehpour, PhD student at McGill)
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40 trainingLabelsBV = {} |
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41 trainingSamplesPB = {} |
4ad5123d969e
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42 trainingLabelsPB = {} |
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43 trainingSamplesPV = {} |
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44 trainingLabelsPV = {} |
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45 |
4ad5123d969e
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46 for k, v in imageDirectories.iteritems(): |
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47 print('Loading {} samples'.format(k)) |
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moved the classification parameters from tracking.cfg to a new classifier.cfg and made all classification parameters apparent
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48 trainingSamples, trainingLabels = cvutils.createHOGTrainingSet(v, moving.userType2Num[k], classifierParams.hogRescaleSize, classifierParams.hogNOrientations, classifierParams.hogNPixelsPerCell, classifierParams.hogNCellsPerBlock) |
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49 trainingSamplesPBV[k], trainingLabelsPBV[k] = trainingSamples, trainingLabels |
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50 if k != 'pedestrian': |
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51 trainingSamplesBV[k], trainingLabelsBV[k] = trainingSamples, trainingLabels |
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52 if k != 'car': |
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53 trainingSamplesPB[k], trainingLabelsPB[k] = trainingSamples, trainingLabels |
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added script to train HoG-SVM classifiers for object classification (based on a script by Sohail Zangenehpour, PhD student at McGill)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
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54 if k != 'bicycle': |
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55 trainingSamplesPV[k], trainingLabelsPV[k] = trainingSamples, trainingLabels |
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added script to train HoG-SVM classifiers for object classification (based on a script by Sohail Zangenehpour, PhD student at McGill)
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56 |
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57 # Training the Support Vector Machine |
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58 print "Training Pedestrian-Cyclist-Vehicle Model" |
812
21f10332c72b
moved the classification parameters from tracking.cfg to a new classifier.cfg and made all classification parameters apparent
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parents:
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59 model = ml.SVM(args.svmType, args.kernelType, args.degree, args.gamma, args.coef0, args.cvalue, args.nu, args.svmP) |
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60 model.train(np.concatenate(trainingSamplesPBV.values()), np.concatenate(trainingLabelsPBV.values())) |
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61 model.save(args.directoryName + "/modelPBV.xml") |
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62 |
4ad5123d969e
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63 print "Training Cyclist-Vehicle Model" |
812
21f10332c72b
moved the classification parameters from tracking.cfg to a new classifier.cfg and made all classification parameters apparent
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
807
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64 model = ml.SVM(args.svmType, args.kernelType, args.degree, args.gamma, args.coef0, args.cvalue, args.nu, args.svmP) |
807
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reversed all code to OpenCV 2.4.13
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parents:
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65 model.train(np.concatenate(trainingSamplesBV.values()), np.concatenate(trainingLabelsBV.values())) |
519
4ad5123d969e
added script to train HoG-SVM classifiers for object classification (based on a script by Sohail Zangenehpour, PhD student at McGill)
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66 model.save(args.directoryName + "/modelBV.xml") |
4ad5123d969e
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67 |
4ad5123d969e
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parents:
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68 print "Training Pedestrian-Cyclist Model" |
812
21f10332c72b
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parents:
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69 model = ml.SVM(args.svmType, args.kernelType, args.degree, args.gamma, args.coef0, args.cvalue, args.nu, args.svmP) |
807
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parents:
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70 model.train(np.concatenate(trainingSamplesPB.values()), np.concatenate(trainingLabelsPB.values())) |
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71 model.save(args.directoryName + "/modelPB.xml") |
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72 |
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73 print "Training Pedestrian-Vehicle Model" |
812
21f10332c72b
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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74 model = ml.SVM(args.svmType, args.kernelType, args.degree, args.gamma, args.coef0, args.cvalue, args.nu, args.svmP) |
807
52aa03260f03
reversed all code to OpenCV 2.4.13
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parents:
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75 model.train(np.concatenate(trainingSamplesPV.values()), np.concatenate(trainingLabelsPV.values())) |
519
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76 model.save(args.directoryName + "/modelPV.xml") |