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annotate scripts/train-object-classification.py @ 522:ce40a89bd6ae

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added functions for classification refactored from Sohail s work for TRB/TRC (to be tested)
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Wed, 18 Jun 2014 23:36:56 -0400
parents 4ad5123d969e
children da1352b89d02
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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>
parents:
diff changeset
1 #! /usr/bin/env python
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>
parents:
diff changeset
2
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>
parents:
diff changeset
3 import numpy as np
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>
parents:
diff changeset
4 import sys, argparse
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>
parents:
diff changeset
5 from cv2 import SVM_RBF, SVM_C_SVC
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>
parents:
diff changeset
6
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>
parents:
diff changeset
7 import cvutils, moving, ml
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>
parents:
diff changeset
8
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>
parents:
diff changeset
9 parser = argparse.ArgumentParser(description='The program processes indicators for all pairs of road users in the scene')
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>
parents:
diff changeset
10 parser.add_argument('-d', dest = 'directoryName', help = 'parent directory name for the directories containing the samples for the different road users', required = True)
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>
parents:
diff changeset
11 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>
parents:
diff changeset
12 parser.add_argument('--svm', dest = 'svmType', help = 'SVM type', default = SVM_C_SVC, 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>
parents:
diff changeset
13 parser.add_argument('-s', dest = 'rescaleSize', help = 'rescale size of image samples', default = 64, type = int)
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>
parents:
diff changeset
14 parser.add_argument('-o', dest = 'nOrientations', help = 'number of orientations in HoG', default = 9, type = int)
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>
parents:
diff changeset
15 parser.add_argument('-p', dest = 'nPixelsPerCell', help = 'number of pixels per cell', default = 8, type = int)
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>
parents:
diff changeset
16 parser.add_argument('-c', dest = 'nCellsPerBlock', help = 'number of cells per block', default = 2, type = int)
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>
parents:
diff changeset
17 args = parser.parse_args()
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>
parents:
diff changeset
18
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>
parents:
diff changeset
19 rescaleSize = (args.rescaleSize, args.rescaleSize)
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>
parents:
diff changeset
20 nPixelsPerCell = (args.nPixelsPerCell, args.nPixelsPerCell)
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>
parents:
diff changeset
21 nCellsPerBlock = (args.nCellsPerBlock, args.nCellsPerBlock)
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>
parents:
diff changeset
22
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>
parents:
diff changeset
23 imageDirectories = {'pedestrian': args.directoryName + "/Pedestrians/",
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>
parents:
diff changeset
24 'bicycle': args.directoryName + "/Cyclists/",
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>
parents:
diff changeset
25 'car': args.directoryName + "/Vehicles/"}
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>
parents:
diff changeset
26
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>
parents:
diff changeset
27 #directory_model = args.directoryName
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>
parents:
diff changeset
28 trainingSamplesPBV = {}
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>
parents:
diff changeset
29 trainingLabelsPBV = {}
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>
parents:
diff changeset
30 trainingSamplesBV = {}
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>
parents:
diff changeset
31 trainingLabelsBV = {}
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>
parents:
diff changeset
32 trainingSamplesPB = {}
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>
parents:
diff changeset
33 trainingLabelsPB = {}
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>
parents:
diff changeset
34 trainingSamplesPV = {}
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>
parents:
diff changeset
35 trainingLabelsPV = {}
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>
parents:
diff changeset
36
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>
parents:
diff changeset
37 for k, v in imageDirectories.iteritems():
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>
parents:
diff changeset
38 print('Loading {} samples'.format(k))
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>
parents:
diff changeset
39 trainingSamplesPBV[k], trainingLabelsPBV[k] = cvutils.createHOGTrainingSet(v, moving.userType2Num[k], rescaleSize, args.nOrientations, nPixelsPerCell, nCellsPerBlock)
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>
parents:
diff changeset
40 if k != 'pedestrian':
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>
parents:
diff changeset
41 trainingSamplesBV[k], trainingLabelsBV[k] = cvutils.createHOGTrainingSet(v, moving.userType2Num[k], rescaleSize, args.nOrientations, nPixelsPerCell, nCellsPerBlock)
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>
parents:
diff changeset
42 if k != 'car':
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>
parents:
diff changeset
43 trainingSamplesPB[k], trainingLabelsPB[k] = cvutils.createHOGTrainingSet(v, moving.userType2Num[k], rescaleSize, args.nOrientations, nPixelsPerCell, nCellsPerBlock)
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>
parents:
diff changeset
44 if k != 'bicycle':
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>
parents:
diff changeset
45 trainingSamplesPV[k], trainingLabelsPV[k] = cvutils.createHOGTrainingSet(v, moving.userType2Num[k], rescaleSize, args.nOrientations, nPixelsPerCell, nCellsPerBlock)
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>
parents:
diff changeset
46
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>
parents:
diff changeset
47 # Training the Support Vector Machine
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>
parents:
diff changeset
48 print "Training Pedestrian-Cyclist-Vehicle Model"
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>
parents:
diff changeset
49 model = ml.SVM(args.svmType, args.kernelType)
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>
parents:
diff changeset
50 model.train(np.concatenate(trainingSamplesPBV.values()), np.concatenate(trainingLabelsPBV.values()))
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>
parents:
diff changeset
51 model.save(args.directoryName + "/modelPBV.xml")
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>
parents:
diff changeset
52
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>
parents:
diff changeset
53 print "Training Cyclist-Vehicle Model"
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>
parents:
diff changeset
54 model = ml.SVM(args.svmType, args.kernelType)
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>
parents:
diff changeset
55 model.train(np.concatenate(trainingSamplesBV.values()), np.concatenate(trainingLabelsBV.values()))
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>
parents:
diff changeset
56 model.save(args.directoryName + "/modelBV.xml")
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>
parents:
diff changeset
57
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>
parents:
diff changeset
58 print "Training Pedestrian-Cyclist Model"
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>
parents:
diff changeset
59 model = ml.SVM(args.svmType, args.kernelType)
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>
parents:
diff changeset
60 model.train(np.concatenate(trainingSamplesPB.values()), np.concatenate(trainingLabelsPB.values()))
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>
parents:
diff changeset
61 model.save(args.directoryName + "/modelPB.xml")
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>
parents:
diff changeset
62
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>
parents:
diff changeset
63 print "Training Pedestrian-Vehicle Model"
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>
parents:
diff changeset
64 model = ml.SVM(args.svmType, args.kernelType)
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>
parents:
diff changeset
65 model.train(np.concatenate(trainingSamplesPV.values()), np.concatenate(trainingLabelsPV.values()))
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>
parents:
diff changeset
66 model.save(args.directoryName + "/modelPV.xml")