Mercurial Hosting > traffic-intelligence
diff python/ml.py @ 788:5b970a5bc233 dev
updated classifying code to OpenCV 3.x (bug in function to load classification models)
author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
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date | Thu, 24 Mar 2016 16:37:37 -0400 |
parents | 0a428b449b80 |
children | 1158a6e2d28e |
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--- a/python/ml.py Thu Mar 17 16:01:19 2016 -0400 +++ b/python/ml.py Thu Mar 24 16:37:37 2016 -0400 @@ -11,6 +11,7 @@ import matplotlib.pyplot as plt from scipy.cluster.vq import kmeans, whiten, vq from sklearn import mixture +import cv2 import utils @@ -18,7 +19,7 @@ # OpenCV ML models ##################### -class Model(object): +class StatModel(object): '''Abstract class for loading/saving model''' def load(self, filename): if path.exists(filename): @@ -29,16 +30,21 @@ def save(self, filename): self.model.save(filename) -class SVM(Model): +class SVM(StatModel): '''wrapper for OpenCV SimpleVectorMachine algorithm''' + def __init__(self, svmType = cv2.ml.SVM_C_SVC, kernelType = cv2.ml.SVM_RBF, degree = 0, gamma = 1, coef0 = 0, Cvalue = 1, nu = 0, p = 0): + self.model = cv2.ml.SVM_create() + self.model.setType(svmType) + self.model.setKernel(kernelType) + self.model.setDegree(degree) + self.model.setGamma(gamma) + self.model.setCoef0(coef0) + self.model.setC(Cvalue) + self.model.setNu(nu) + self.model.setP(p) - def __init__(self): - import cv2 - self.model = cv2.SVM() - - def train(self, samples, responses, svm_type, kernel_type, degree = 0, gamma = 1, coef0 = 0, Cvalue = 1, nu = 0, p = 0): - self.params = dict(svm_type = svm_type, kernel_type = kernel_type, degree = degree, gamma = gamma, coef0 = coef0, Cvalue = Cvalue, nu = nu, p = p) - self.model.train(samples, responses, params = self.params) + def train(self, samples, layout, responses): + self.model.train(samples, layout, responses) def predict(self, hog): return self.model.predict(hog)