Mercurial Hosting > traffic-intelligence
comparison scripts/train-object-classification.py @ 812:21f10332c72b
moved the classification parameters from tracking.cfg to a new classifier.cfg and made all classification parameters apparent
author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
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date | Fri, 10 Jun 2016 17:07:36 -0400 |
parents | 52aa03260f03 |
children | 85b81c46c526 |
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810:082a5c2685f4 | 812:21f10332c72b |
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3 import numpy as np | 3 import numpy as np |
4 import sys, argparse | 4 import sys, argparse |
5 from cv2 import SVM_RBF, SVM_C_SVC | 5 from cv2 import SVM_RBF, SVM_C_SVC |
6 #from cv2.ml import SVM_RBF, SVM_C_SVC, ROW_SAMPLE # row_sample for layout in cv2.ml.SVM_load | 6 #from cv2.ml import SVM_RBF, SVM_C_SVC, ROW_SAMPLE # row_sample for layout in cv2.ml.SVM_load |
7 | 7 |
8 | 8 import cvutils, moving, ml, storage |
9 import cvutils, moving, ml | |
10 | 9 |
11 parser = argparse.ArgumentParser(description='The program processes indicators for all pairs of road users in the scene') | 10 parser = argparse.ArgumentParser(description='The program processes indicators for all pairs of road users in the scene') |
12 parser.add_argument('-d', dest = 'directoryName', help = 'parent directory name for the directories containing the samples for the different road users', required = True) | 11 parser.add_argument('-d', dest = 'directoryName', help = 'parent directory name for the directories containing the samples for the different road users', required = True) |
13 parser.add_argument('--kernel', dest = 'kernelType', help = 'kernel type for the support vector machine (SVM)', default = SVM_RBF, type = long) | 12 parser.add_argument('--kernel', dest = 'kernelType', help = 'kernel type for the support vector machine (SVM)', default = SVM_RBF, type = long) |
14 parser.add_argument('--svm', dest = 'svmType', help = 'SVM type', default = SVM_C_SVC, type = long) | 13 parser.add_argument('--svm', dest = 'svmType', help = 'SVM type', default = SVM_C_SVC, type = long) |
15 # TODO make other SVM parameters apparent: C, C0, Nu, etc. | 14 parser.add_argument('--deg', dest = 'degree', help = 'SVM degree', default = 0, type = int) |
16 parser.add_argument('-s', dest = 'rescaleSize', help = 'rescale size of image samples', default = 64, type = int) | 15 parser.add_argument('--gamma', dest = 'gamma', help = 'SVM gamma', default = 1, type = int) |
17 parser.add_argument('-o', dest = 'nOrientations', help = 'number of orientations in HoG', default = 9, type = int) | 16 parser.add_argument('--coef0', dest = 'coef0', help = 'SVM coef0', default = 0, type = int) |
18 parser.add_argument('-p', dest = 'nPixelsPerCell', help = 'number of pixels per cell', default = 8, type = int) | 17 parser.add_argument('--cvalue', dest = 'cvalue', help = 'SVM Cvalue', default = 1, type = int) |
19 parser.add_argument('-c', dest = 'nCellsPerBlock', help = 'number of cells per block', default = 2, type = int) | 18 parser.add_argument('--nu', dest = 'nu', help = 'SVM nu', default = 0, type = int) |
19 parser.add_argument('--svmp', dest = 'svmP', help = 'SVM p', default = 0, type = int) | |
20 parser.add_argument('--cfg', dest = 'configFilename', help = 'name of the classifier configuration file', required = True) | |
21 # parser.add_argument('-s', dest = 'rescaleSize', help = 'rescale size of image samples', default = 64, type = int) | |
22 # parser.add_argument('-o', dest = 'nOrientations', help = 'number of orientations in HoG', default = 9, type = int) | |
23 # parser.add_argument('-p', dest = 'nPixelsPerCell', help = 'number of pixels per cell', default = 8, type = int) | |
24 # parser.add_argument('-c', dest = 'nCellsPerBlock', help = 'number of cells per block', default = 2, type = int) | |
25 | |
20 args = parser.parse_args() | 26 args = parser.parse_args() |
27 classifierParams = storage.ClassifierParameters(args.configFilename) | |
21 | 28 |
22 rescaleSize = (args.rescaleSize, args.rescaleSize) | 29 # rescaleSize = (args.rescaleSize, args.rescaleSize) |
23 nPixelsPerCell = (args.nPixelsPerCell, args.nPixelsPerCell) | 30 # nPixelsPerCell = (args.nPixelsPerCell, args.nPixelsPerCell) |
24 nCellsPerBlock = (args.nCellsPerBlock, args.nCellsPerBlock) | 31 # nCellsPerBlock = (args.nCellsPerBlock, args.nCellsPerBlock) |
25 | 32 |
26 imageDirectories = {'pedestrian': args.directoryName + "/Pedestrians/", | 33 imageDirectories = {'pedestrian': args.directoryName + "/Pedestrians/", |
27 'bicycle': args.directoryName + "/Cyclists/", | 34 'bicycle': args.directoryName + "/Cyclists/", |
28 'car': args.directoryName + "/Vehicles/"} | 35 'car': args.directoryName + "/Vehicles/"} |
29 | 36 |
36 trainingSamplesPV = {} | 43 trainingSamplesPV = {} |
37 trainingLabelsPV = {} | 44 trainingLabelsPV = {} |
38 | 45 |
39 for k, v in imageDirectories.iteritems(): | 46 for k, v in imageDirectories.iteritems(): |
40 print('Loading {} samples'.format(k)) | 47 print('Loading {} samples'.format(k)) |
41 trainingSamples, trainingLabels = cvutils.createHOGTrainingSet(v, moving.userType2Num[k], rescaleSize, args.nOrientations, nPixelsPerCell, nCellsPerBlock) | 48 trainingSamples, trainingLabels = cvutils.createHOGTrainingSet(v, moving.userType2Num[k], classifierParams.hogRescaleSize, classifierParams.hogNOrientations, classifierParams.hogNPixelsPerCell, classifierParams.hogNCellsPerBlock) |
42 trainingSamplesPBV[k], trainingLabelsPBV[k] = trainingSamples, trainingLabels | 49 trainingSamplesPBV[k], trainingLabelsPBV[k] = trainingSamples, trainingLabels |
43 if k != 'pedestrian': | 50 if k != 'pedestrian': |
44 trainingSamplesBV[k], trainingLabelsBV[k] = trainingSamples, trainingLabels | 51 trainingSamplesBV[k], trainingLabelsBV[k] = trainingSamples, trainingLabels |
45 if k != 'car': | 52 if k != 'car': |
46 trainingSamplesPB[k], trainingLabelsPB[k] = trainingSamples, trainingLabels | 53 trainingSamplesPB[k], trainingLabelsPB[k] = trainingSamples, trainingLabels |
47 if k != 'bicycle': | 54 if k != 'bicycle': |
48 trainingSamplesPV[k], trainingLabelsPV[k] = trainingSamples, trainingLabels | 55 trainingSamplesPV[k], trainingLabelsPV[k] = trainingSamples, trainingLabels |
49 | 56 |
50 # Training the Support Vector Machine | 57 # Training the Support Vector Machine |
51 print "Training Pedestrian-Cyclist-Vehicle Model" | 58 print "Training Pedestrian-Cyclist-Vehicle Model" |
52 model = ml.SVM(args.svmType, args.kernelType) | 59 model = ml.SVM(args.svmType, args.kernelType, args.degree, args.gamma, args.coef0, args.cvalue, args.nu, args.svmP) |
53 model.train(np.concatenate(trainingSamplesPBV.values()), np.concatenate(trainingLabelsPBV.values())) | 60 model.train(np.concatenate(trainingSamplesPBV.values()), np.concatenate(trainingLabelsPBV.values())) |
54 model.save(args.directoryName + "/modelPBV.xml") | 61 model.save(args.directoryName + "/modelPBV.xml") |
55 | 62 |
56 print "Training Cyclist-Vehicle Model" | 63 print "Training Cyclist-Vehicle Model" |
57 model = ml.SVM(args.svmType, args.kernelType) | 64 model = ml.SVM(args.svmType, args.kernelType, args.degree, args.gamma, args.coef0, args.cvalue, args.nu, args.svmP) |
58 model.train(np.concatenate(trainingSamplesBV.values()), np.concatenate(trainingLabelsBV.values())) | 65 model.train(np.concatenate(trainingSamplesBV.values()), np.concatenate(trainingLabelsBV.values())) |
59 model.save(args.directoryName + "/modelBV.xml") | 66 model.save(args.directoryName + "/modelBV.xml") |
60 | 67 |
61 print "Training Pedestrian-Cyclist Model" | 68 print "Training Pedestrian-Cyclist Model" |
62 model = ml.SVM(args.svmType, args.kernelType) | 69 model = ml.SVM(args.svmType, args.kernelType, args.degree, args.gamma, args.coef0, args.cvalue, args.nu, args.svmP) |
63 model.train(np.concatenate(trainingSamplesPB.values()), np.concatenate(trainingLabelsPB.values())) | 70 model.train(np.concatenate(trainingSamplesPB.values()), np.concatenate(trainingLabelsPB.values())) |
64 model.save(args.directoryName + "/modelPB.xml") | 71 model.save(args.directoryName + "/modelPB.xml") |
65 | 72 |
66 print "Training Pedestrian-Vehicle Model" | 73 print "Training Pedestrian-Vehicle Model" |
67 model = ml.SVM(args.svmType, args.kernelType) | 74 model = ml.SVM(args.svmType, args.kernelType, args.degree, args.gamma, args.coef0, args.cvalue, args.nu, args.svmP) |
68 model.train(np.concatenate(trainingSamplesPV.values()), np.concatenate(trainingLabelsPV.values())) | 75 model.train(np.concatenate(trainingSamplesPV.values()), np.concatenate(trainingLabelsPV.values())) |
69 model.save(args.directoryName + "/modelPV.xml") | 76 model.save(args.directoryName + "/modelPV.xml") |