示例#1
0
    def training(self, modelNumInducing, modelNumIterations, modelInitIterations, fname, save_model):
        self.model_num_inducing = modelNumInducing
        self.model_num_iterations = modelNumIterations
        self.model_init_iterations = modelInitIterations
    
        if not os.path.isfile(fname + '.pickle'):
            print "Training..."    
            if self.X is not None:
                Q = self.X.shape[1]
            else:
                Q=2

            if Q > 100:
                kernel = GPy.kern.RBF(Q, ARD=False) + GPy.kern.Bias(Q) + GPy.kern.White(Q)
            else:
                kernel = None
            # Simulate the function of storing a collection of events
            self.SAMObject.store(observed=self.Y, inputs=self.X, Q=Q, kernel=kernel, num_inducing=self.model_num_inducing)
            # If data are associated with labels (e.g. face identities), associate them with the event collection
            if self.data_labels is not None:
                self.SAMObject.add_labels(self.data_labels)
            # Simulate the function of learning from stored memories, e.g. while sleeping (consolidation).
            self.SAMObject.learn(optimizer='scg',max_iters=self.model_num_iterations, init_iters=self.model_init_iterations, verbose=True)
    
            print "Saving SAMObject"
            if save_model:
                SAMCore.save_pruned_model(self.SAMObject, fname)
        else:
            print "Loading SAMOBject"
            self.SAMObject = SAMCore.load_pruned_model(fname)
示例#2
0
    def __init__(self):
        """
            Initialisation for SAMDriver.
        """

        self.SAMObject = SAMCore.LFM()

        self.Y = None
        self.L = None
        self.X = None
        self.Ytest = None
        self.Ltest = None
        self.Ytestn = None
        self.Ltestn = None
        self.Ymean = None
        self.Ystd = None
        self.Yn = None
        self.Ln = None
        self.segTrainConf = None
        self.segTrainPerc = None
        self.segTestConf = None
        self.segTestPerc = None
        self.data_labels = None
        self.paramsDict = dict()
        self.verbose = False
        self.model_mode = False
        self.Quser = None
        self.listOfModels = []
        self.model_type = None
        self.modelLabel = None
        self.textLabels = None
        self.participantList = None
        self.varianceThreshold = None
        self.fname = None
        self.optimiseRecall = True
        self.modelLoaded = False
        self.parallelOperation = False
        self.calibrated = False
        self.rawTextData = None
        self.rawData = None

        self.Yall = None
        self.Lall = None
        self.YtestAll = None
        self.LtestAll = None

        self.classifiers = None
        self.classif_thresh = None

        self.model_num_inducing = 0
        self.model_num_iterations = 0
        self.model_init_iterations = 0

        self.additionalParametersList = []
示例#3
0
    def training(self, modelNumInducing, modelNumIterations, modelInitIterations, fname, save_model, economy_save, keepIfPresent = True, kernelStr=None):
        self.model_num_inducing = modelNumInducing
        self.model_num_iterations = modelNumIterations
        self.model_init_iterations = modelInitIterations
    
        if not os.path.isfile(fname + '.pickle') or economy_save:
            if not os.path.isfile(fname + '.pickle'):
                print("Training for " +str(modelInitIterations) + "|" + str(modelNumIterations) + " iterations...")    
            try:
                ttest = self.Quser == None
            except :
                self.Quser = None

            if self.X is not None:
                Q = self.X.shape[1]
            elif self.Quser is not None:
                Q=self.Quser
            else:
                Q = 2

            if Q > 100:
                #one could parse and execute the string kernelStr for kernel instead of line below
                kernel = GPy.kern.RBF(Q, ARD=False) + GPy.kern.Bias(Q) + GPy.kern.White(Q)
                self.SAMObject.kernelString = kernelStr
            else:
                kernel = None
                self.SAMObject.kernelString = ''
            # Simulate the function of storing a collection of events
            self.SAMObject.store(observed=self.Y, inputs=self.X, Q=Q, kernel=kernel, num_inducing=self.model_num_inducing)
            
            # If data are associated with labels (e.g. face identities), associate them with the event collection
            if self.data_labels is not None:
                self.SAMObject.add_labels(self.data_labels)
            
            if economy_save and os.path.isfile(fname + '.pickle') and keepIfPresent:
                try:
                    print("Try loading economy size SAMObject: " + fname)
                    # Load the model from the economy storage
                    SAMCore.load_pruned_model(fname, economy_save, self.SAMObject.model)
                except ValueError:
                    print("Loading " + fname + " failed.\nParameters not valid. Training new model")
                    self.SAMObject.learn(optimizer='bfgs',max_iters=self.model_num_iterations, init_iters=self.model_init_iterations, verbose=True)
                    if save_model:
                        print("Saving SAMObject: " + fname)
                        SAMCore.save_pruned_model(self.SAMObject, fname, economy_save)
            elif not os.path.isfile(fname + '.pickle') or not keepIfPresent: 
                # Simulate the function of learning from stored memories, e.g. while sleeping (consolidation).
                self.SAMObject.learn(optimizer='bfgs',max_iters=self.model_num_iterations, init_iters=self.model_init_iterations, verbose=True)
                if save_model:
                    print("Saving SAMObject: " + fname)
                    SAMCore.save_pruned_model(self.SAMObject, fname, economy_save)
        else:
            print("Loading SAMOBject: " + fname)
            self.SAMObject = SAMCore.load_pruned_model(fname)
示例#4
0
    def __init__(self,
                 isYarpRunning=isYarpRunningGlobal,
                 imgH=200,
                 imgW=200,
                 imgHNew=200,
                 imgWNew=200,
                 inputImagePort="/visionDriver/image:o"):
        if not isYarpRunningGlobal and isYarpRunning:
            isYarpRunning = False
            print 'Warning! yarp was not found in the system.'
        self.isYarpRunning = isYarpRunning
        self.inputImagePort = inputImagePort

        self.SAMObject = SAMCore.LFM()
        self.imgHeight = imgH
        self.imgWidth = imgW
        self.imgHeightNew = imgHNew
        self.imgWidthNew = imgWNew
        self.image_suffix = ".ppm"

        self.Y = None
        self.L = None
        self.X = None
        self.Ytest = None
        self.Ltest = None
        self.Ytestn = None
        self.Ltestn = None
        self.Ymean = None
        self.Ystd = None
        self.Yn = None
        self.Ln = None
        self.data_labels = None
        self.participant_index = None

        self.model_num_inducing = 0
        self.model_num_iterations = 0
        self.model_init_iterations = 0

        if (self.isYarpRunning == True):
            print 'Initialising Yarp...'
            yarp.Network.init()
            self.createPorts()
            self.openPorts()
            self.createImageArrays()
示例#5
0
    def __init__(self):
        self.SAMObject = SAMCore.LFM()

        self.Y = None
        self.L = None
        self.X = None
        self.Ytest = None
        self.Ltest = None
        self.Ytestn = None
        self.Ltestn = None
        self.Ymean = None
        self.Ystd = None
        self.Yn = None
        self.Ln = None
        self.segTrainConf = None
        self.segTrainPerc = None
        self.segTestConf = None
        self.segTestPerc = None
        self.data_labels = None
        self.paramsDict = dict()
        self.verbose = False
        self.model_mode = False
        self.Quser = None
        self.listOfModels = []
        self.model_type = None
        self.modelLabel = None
        self.participantList = None
        self.fname = None

        self.Yall = None
        self.Lall = None
        self.YtestAll = None
        self.LtestAll = None

        self.classifiers = None
        self.classif_thresh = None

        self.model_num_inducing = 0
        self.model_num_iterations = 0
        self.model_init_iterations = 0

        self.additionalParametersList = []
示例#6
0
    def __init__(self, isYarpRunning=False):
        if not isYarpRunningGlobal and isYarpRunning:
            isYarpRunning = False
            print 'Warning! yarp was not found in the system.'

        self.isYarpRunning = isYarpRunning
        self.SAMObject = SAMCore.LFM()

        self.Y = None
        self.L = None
        self.X = None
        self.Ytest = None
        self.Ltest = None
        self.Ytestn = None
        self.Ltestn = None
        self.Ymean = None
        self.Ystd = None
        self.Yn = None
        self.Ln = None
        self.data_labels = None

        self.model_num_inducing = 0
        self.model_num_iterations = 0
        self.model_init_iterations = 0
示例#7
0
    def training(self,
                 modelNumInducing,
                 modelNumIterations,
                 modelInitIterations,
                 fname,
                 save_model,
                 economy_save,
                 keepIfPresent=True,
                 kernelStr=None):
        """
        Method to train, store and load the learned model

        This method tries reloading the model in fname. If unsuccessful or loaded model has mismatching parameters, trains a new model from scratch.

        Args:
            modelNumInducing : Integer number of inducing parameters.
            modelNumIterations : Integer number of training iterations.
            modelInitIterations : Integer number of initialisation iterations.
            fname : Filename to save model to.
            save_model : Boolean to turn saving of the model on or off.
            economy_save : Boolean to turn economy saving on or off. Economy save saves smaller models by not storing data inside the model but keeping it stored in the data path.
            keepIfPresent : Boolean to enable or disable loading of a model when one is available.
            kernelStr : Kernel string with the requested kernel. If `None` the default kernel is used.

        Returns:
            None
        """

        self.model_num_inducing = modelNumInducing
        self.model_num_iterations = modelNumIterations
        self.model_init_iterations = modelInitIterations

        if not os.path.isfile(fname + '.pickle') or economy_save:
            if not os.path.isfile(fname + '.pickle'):
                logging.info("Training for " + str(modelInitIterations) + "|" +
                             str(modelNumIterations) + " iterations...")
            try:
                self.Quser is None
            except:
                self.Quser = None

            if self.X is not None:
                Q = self.X.shape[1]
            elif self.Quser is not None:
                Q = self.Quser
            else:
                Q = 2

            kernel = None
            if Q > 100:
                if kernelStr is not None:
                    stringKernel = 'kernel = ' + kernelStr
                else:
                    stringKernel = 'kernel = GPy.kern.RBF(Q, ARD=False) + GPy.kern.Bias(Q) + GPy.kern.White(Q)'
                exec stringKernel
                logging.info('stringKernel: ' + str(stringKernel))
                self.SAMObject.kernelString = kernelStr
            else:
                self.SAMObject.kernelString = ''
            # Simulate the function of storing a collection of events
            if self.model_mode != 'temporal':
                self.SAMObject.store(observed=self.Y,
                                     inputs=self.X,
                                     Q=Q,
                                     kernel=kernel,
                                     num_inducing=self.model_num_inducing)
            elif self.model_mode == 'temporal':
                self.SAMObject.model = GPy.models.SparseGPRegression(
                    numpy.hstack((self.X, self.L)),
                    self.Y,
                    num_inducing=self.model_num_inducing)

            # If data are associated with labels (e.g. face identities),
            # associate them with the event collection
            if self.data_labels is not None:
                self.SAMObject.add_labels(self.data_labels)

            if economy_save and os.path.isfile(fname +
                                               '.pickle') and keepIfPresent:
                try:
                    logging.info("Try loading economy size SAMObject: " +
                                 fname)
                    # Load the model from the economy storage
                    SAMCore.load_pruned_model(fname, economy_save,
                                              self.SAMObject.model)
                except ValueError:
                    logging.error(
                        "Loading " + fname +
                        " failed. Parameters not valid. Training new model")
                    if self.model_mode != 'temporal':
                        self.SAMObject.learn(
                            optimizer='bfgs',
                            max_iters=self.model_num_iterations,
                            init_iters=self.model_init_iterations,
                            verbose=True)
                    elif self.model_mode == 'temporal':
                        self.SAMObject.model.optimize(
                            'bfgs',
                            max_iters=self.model_num_iterations,
                            messages=True)
                        self.SAMObject.type = 'mrd'
                        self.SAMObject.Q = None
                        self.SAMObject.N = None
                        self.SAMObject.namesList = None
                        self.SAMObject.kernelString = None
                    if save_model:
                        logging.info("Saving SAMObject: " + fname)
                        SAMCore.save_pruned_model(self.SAMObject, fname,
                                                  economy_save)
            elif not os.path.isfile(fname + '.pickle') or not keepIfPresent:
                # Simulate the function of learning from stored memories, e.g. while sleeping (consolidation).
                if self.model_mode != 'temporal':
                    self.SAMObject.learn(optimizer='bfgs',
                                         max_iters=self.model_num_iterations,
                                         init_iters=self.model_init_iterations,
                                         verbose=True)
                elif self.model_mode == 'temporal':
                    self.SAMObject.model.optimize(
                        'bfgs',
                        max_iters=self.model_num_iterations,
                        messages=True)
                    self.SAMObject.type = 'mrd'
                    self.SAMObject.__num_views = None
                    self.SAMObject.Q = None
                    self.SAMObject.N = None
                    self.SAMObject.namesList = None
                    self.SAMObject.kernelString = None
                if save_model:
                    logging.info("Saving SAMObject: " + fname)
                    SAMCore.save_pruned_model(self.SAMObject, fname,
                                              economy_save)
        else:
            logging.info("Loading SAMObject: " + fname)
            self.SAMObject = SAMCore.load_pruned_model(fname)
示例#8
0
        mm[0].paramsDict['calibrated'] = mm[0].calibrated
        if numParts == 1:
            if mm[0].X is None:
                mm[0].paramsDict['X'] = mm[0].X
            else:
                mm[0].paramsDict['X'] = mm[0].X.shape

            if mm[0].model_mode != 'temporal':
                mm[0].paramsDict['Y'] = mm[k].Y['Y'].shape

            mm[0].paramsDict['useMaxDistance'] = mm[0].useMaxDistance

    elif numParts > 1:
        # fname = mm[0].listOfModels[k-1]
        if mm[k].X is None:
            mm[k].paramsDict['X'] = mm[k].X
        else:
            mm[k].paramsDict['X'] = mm[k].X.shape
        mm[k].paramsDict['Y'] = mm[k].Y['Y'].shape
    # else:
    #     pass
        # fname = fnameProto

    # save model with custom .pickle dictionary by iterating through all nested models
    logging.info('-------------------')
    logging.info('Saving: ' + mm[k].fname)
    mm[k].saveParameters()
    logging.info('Keys:')
    logging.info(mm[k].paramsDict.keys())
    SAMCore.save_pruned_model(mm[k].SAMObject, mm[k].fname, mm[0].economy_save, extraDict=mm[k].paramsDict)
示例#9
0
    def training(self,
                 modelNumInducing,
                 modelNumIterations,
                 modelInitIterations,
                 fname,
                 save_model,
                 economy_save,
                 keepIfPresent=True,
                 kernelStr=None):
        self.model_num_inducing = modelNumInducing
        self.model_num_iterations = modelNumIterations
        self.model_init_iterations = modelInitIterations

        if not os.path.isfile(fname + '.pickle') or economy_save:
            if not os.path.isfile(fname + '.pickle'):
                print("Training for " + str(modelInitIterations) + "|" +
                      str(modelNumIterations) + " iterations...")
            try:
                ttest = self.Quser == None
            except:
                self.Quser = None

            if self.X is not None:
                Q = self.X.shape[1]
            elif self.Quser is not None:
                Q = self.Quser
            else:
                Q = 2

            if Q > 100:
                #one could parse and execute the string kernelStr for kernel instead of line below
                kernel = GPy.kern.RBF(
                    Q, ARD=False) + GPy.kern.Bias(Q) + GPy.kern.White(Q)
                self.SAMObject.kernelString = kernelStr
            else:
                kernel = None
                self.SAMObject.kernelString = ''
            # Simulate the function of storing a collection of events
            self.SAMObject.store(observed=self.Y,
                                 inputs=self.X,
                                 Q=Q,
                                 kernel=kernel,
                                 num_inducing=self.model_num_inducing)

            # If data are associated with labels (e.g. face identities), associate them with the event collection
            if self.data_labels is not None:
                self.SAMObject.add_labels(self.data_labels)

            if economy_save and os.path.isfile(fname +
                                               '.pickle') and keepIfPresent:
                try:
                    print("Try loading economy size SAMObject: " + fname)
                    # Load the model from the economy storage
                    SAMCore.load_pruned_model(fname, economy_save,
                                              self.SAMObject.model)
                except ValueError:
                    print(
                        "Loading " + fname +
                        " failed.\nParameters not valid. Training new model")
                    self.SAMObject.learn(optimizer='bfgs',
                                         max_iters=self.model_num_iterations,
                                         init_iters=self.model_init_iterations,
                                         verbose=True)
                    if save_model:
                        print("Saving SAMObject: " + fname)
                        SAMCore.save_pruned_model(self.SAMObject, fname,
                                                  economy_save)
            elif not os.path.isfile(fname + '.pickle') or not keepIfPresent:
                # Simulate the function of learning from stored memories, e.g. while sleeping (consolidation).
                self.SAMObject.learn(optimizer='bfgs',
                                     max_iters=self.model_num_iterations,
                                     init_iters=self.model_init_iterations,
                                     verbose=True)
                if save_model:
                    print("Saving SAMObject: " + fname)
                    SAMCore.save_pruned_model(self.SAMObject, fname,
                                              economy_save)
        else:
            print("Loading SAMOBject: " + fname)
            self.SAMObject = SAMCore.load_pruned_model(fname)
示例#10
0
	else:
		result = False
	print str(i).rjust(off3) + '/' + str(allCount) + ' Truth: ' + currLabel.ljust(off1) + ' Model: ' + lab.ljust(off1) + ' with ' + str(confidence)[:6].ljust(off2) + ' confidence: ' + str(result)
	sstest.append(result)
	
correctVal = sum(sstest)
percCorect = correctVal*100/allCount
print str(percCorect) + " percent correct for testing data"

#save model with custom .pickle dictionary by iterating through all nested models
fname_cur = fname
print 'Saving: ' + fname_cur
extraParams = dict()
extraParams['YALL'] = Yall
extraParams['LALL'] = Lall
extraParams['YTEST'] = YtestAll
extraParams['LTEST'] = LtestAll
extraParams['objCombs'] = mySAMpy.objCombs
extraParams['ignoreLabels'] = ignoreLabels
extraParams['ignoreParts'] = ignoreParts
extraParams['contactThreshold'] = mySAMpy.contactThreshold
extraParams['angleThreshold'] = mySAMpy.angleThreshold
extraParams['distanceThreshold'] = mySAMpy.distanceThreshold
extraParams['Quser'] = Quser
extraParams['percentTestData'] = ratioData
extraParams['model_num_iterations'] = model_num_iterations
extraParams['model_init_iterations'] = model_init_iterations
extraParams['model_type'] = model_type
extraParams['textLabels'] = mySAMpy.labelName
SAMCore.save_pruned_model(mySAMpy.SAMObject, fname_cur, economy_save, extraDict=extraParams)
示例#11
0
    def training(self,
                 modelNumInducing,
                 modelNumIterations,
                 modelInitIterations,
                 fname,
                 save_model,
                 economy_save,
                 keepIfPresent=True,
                 kernelStr=None):
        self.model_num_inducing = modelNumInducing
        self.model_num_iterations = modelNumIterations
        self.model_init_iterations = modelInitIterations

        if not os.path.isfile(fname + '.pickle') or economy_save:
            if not os.path.isfile(fname + '.pickle'):
                logging.info("Training for " + str(modelInitIterations) + "|" +
                             str(modelNumIterations) + " iterations...")
            try:
                self.Quser is None
            except:
                self.Quser = None

            if self.X is not None:
                Q = self.X.shape[1]
            elif self.Quser is not None:
                Q = self.Quser
            else:
                Q = 2

            kernel = None
            if Q > 100:
                if kernelStr is not None:
                    stringKernel = 'kernel = ' + kernelStr
                else:
                    stringKernel = 'kernel = GPy.kern.RBF(Q, ARD=False) + GPy.kern.Bias(Q) + GPy.kern.White(Q)'
                exec stringKernel
                logging.info('stringKernel: ' + str(stringKernel))
                self.SAMObject.kernelString = kernelStr
            else:
                self.SAMObject.kernelString = ''
            # Simulate the function of storing a collection of events
            if self.model_mode != 'temporal':
                self.SAMObject.store(observed=self.Y,
                                     inputs=self.X,
                                     Q=Q,
                                     kernel=kernel,
                                     num_inducing=self.model_num_inducing)
            elif self.model_mode == 'temporal':
                self.SAMObject.model = GPy.models.SparseGPRegression(
                    numpy.hstack((self.X, self.L)),
                    self.Y,
                    num_inducing=self.model_num_inducing)

            # If data are associated with labels (e.g. face identities),
            # associate them with the event collection
            if self.data_labels is not None:
                self.SAMObject.add_labels(self.data_labels)

            if economy_save and os.path.isfile(fname +
                                               '.pickle') and keepIfPresent:
                try:
                    logging.info("Try loading economy size SAMObject: " +
                                 fname)
                    # Load the model from the economy storage
                    SAMCore.load_pruned_model(fname, economy_save,
                                              self.SAMObject.model)
                except ValueError:
                    logging.error(
                        "Loading " + fname +
                        " failed. Parameters not valid. Training new model")
                    if self.model_mode != 'temporal':
                        self.SAMObject.learn(
                            optimizer='bfgs',
                            max_iters=self.model_num_iterations,
                            init_iters=self.model_init_iterations,
                            verbose=True)
                    elif self.model_mode == 'temporal':
                        self.SAMObject.model.optimize(
                            'bfgs',
                            max_iters=self.model_num_iterations,
                            messages=True)
                        self.SAMObject.type = 'mrd'
                        self.SAMObject.Q = None
                        self.SAMObject.N = None
                        self.SAMObject.namesList = None
                        self.SAMObject.kernelString = None
                    if save_model:
                        logging.info("Saving SAMObject: " + fname)
                        SAMCore.save_pruned_model(self.SAMObject, fname,
                                                  economy_save)
            elif not os.path.isfile(fname + '.pickle') or not keepIfPresent:
                # Simulate the function of learning from stored memories, e.g. while sleeping (consolidation).
                if self.model_mode != 'temporal':
                    self.SAMObject.learn(optimizer='bfgs',
                                         max_iters=self.model_num_iterations,
                                         init_iters=self.model_init_iterations,
                                         verbose=True)
                elif self.model_mode == 'temporal':
                    self.SAMObject.model.optimize(
                        'bfgs',
                        max_iters=self.model_num_iterations,
                        messages=True)
                    self.SAMObject.type = 'mrd'
                    self.SAMObject.__num_views = None
                    self.SAMObject.Q = None
                    self.SAMObject.N = None
                    self.SAMObject.namesList = None
                    self.SAMObject.kernelString = None
                if save_model:
                    logging.info("Saving SAMObject: " + fname)
                    SAMCore.save_pruned_model(self.SAMObject, fname,
                                              economy_save)
        else:
            logging.info("Loading SAMObject: " + fname)
            self.SAMObject = SAMCore.load_pruned_model(fname)
示例#12
0
	cur.Y = None
	cur.Y = {'Y':Yn_cur}
	cur.Ytestn = {'Ytest':Ytestn_cur}
	cur.Ltest = {'Ltest':Ltest_cur}
	
	fname = modelList[i]

	if Q > 100:
		#one could parse and execute the string kernelStr for kernel instead of line below
		kernel = GPy.kern.RBF(Q, ARD=False) + GPy.kern.Bias(Q) + GPy.kern.White(Q)
	else:
		kernel = None

    # Simulate the function of storing a collection of events
	cur.SAMObject.store(observed=cur.Y, inputs=cur.X, Q=Q, kernel=kernel, num_inducing=model_num_inducing)
	SAMCore.load_pruned_model(fname, economy_save, cur.SAMObject.model)
	mm.append(cur)
	print len(mm)
	
#open ports
yarp.Network.init()

sect = splitPath[0].split('/')[-1].lower()
print sect

parser2 = SafeConfigParser()
parser2.read(interactionConfPath)
portNameList = parser2.items(sect)
print portNameList
portsList = []
for j in range(len(portNameList)):
示例#13
0
	else:
		result = False
	print str(i).rjust(off3) + '/' + str(allCount) + ' Truth: ' + currLabel.ljust(off1) + ' Model: ' + lab.ljust(off1) + ' with ' + str(confidence)[:6].ljust(off2) + ' confidence: ' + str(result)
	sstest.append(result)
	
correctVal = sum(sstest)
percCorect = correctVal*100/allCount
print str(percCorect) + " percent correct for testing data"

#save model with custom .pickle dictionary by iterating through all nested models
fname_cur = fname
print 'Saving: ' + fname_cur
extraParams = dict()
extraParams['YALL'] = Yall
extraParams['LALL'] = Lall
extraParams['YTEST'] = YtestAll
extraParams['LTEST'] = LtestAll
extraParams['objCombs'] = mySAMpy.objCombs
extraParams['ignoreLabels'] = ignoreLabels
extraParams['ignoreParts'] = ignoreParts
extraParams['contactThreshold'] = mySAMpy.contactThreshold
extraParams['angleThreshold'] = mySAMpy.angleThreshold
extraParams['distanceThreshold'] = mySAMpy.distanceThreshold
extraParams['Quser'] = Quser
extraParams['percentTestData'] = ratioData
extraParams['model_num_iterations'] = model_num_iterations
extraParams['model_init_iterations'] = model_init_iterations
extraParams['model_type'] = model_type
extraParams['textLabels'] = mySAMpy.labelName
SAMCore.save_pruned_model(mySAMpy.SAMObject, fname_cur, economy_save, extraDict=extraParams)
示例#14
0
    def training(self, modelNumInducing, modelNumIterations, modelInitIterations, fname, save_model, economy_save,
                 keepIfPresent=True, kernelStr=None):
        self.model_num_inducing = modelNumInducing
        self.model_num_iterations = modelNumIterations
        self.model_init_iterations = modelInitIterations
    
        if not os.path.isfile(fname + '.pickle') or economy_save:
            if not os.path.isfile(fname + '.pickle'):
                logging.info("Training for " + str(modelInitIterations) + "|" + str(modelNumIterations) + " iterations...")
            try:
                self.Quser is None
            except:
                self.Quser = None

            if self.X is not None:
                Q = self.X.shape[1]
            elif self.Quser is not None:
                Q = self.Quser
            else:
                Q = 2

            kernel = None
            if Q > 100:
                if kernelStr is not None:
                    stringKernel = 'kernel = ' + kernelStr
                else:
                    stringKernel = 'kernel = GPy.kern.RBF(Q, ARD=False) + GPy.kern.Bias(Q) + GPy.kern.White(Q)'
                exec stringKernel
                logging.info('stringKernel: ' + str(stringKernel))
                self.SAMObject.kernelString = kernelStr
            else:
                self.SAMObject.kernelString = ''
            # Simulate the function of storing a collection of events
            if self.model_mode != 'temporal':
                self.SAMObject.store(observed=self.Y, inputs=self.X, Q=Q, kernel=kernel,
                                     num_inducing=self.model_num_inducing)
            elif self.model_mode == 'temporal':
                self.SAMObject.model = GPy.models.SparseGPRegression(numpy.hstack((self.X, self.L)), self.Y,
                                                                     num_inducing=self.model_num_inducing)

            # If data are associated with labels (e.g. face identities),
            # associate them with the event collection
            if self.data_labels is not None:
                self.SAMObject.add_labels(self.data_labels)
            
            if economy_save and os.path.isfile(fname + '.pickle') and keepIfPresent:
                try:
                    logging.info("Try loading economy size SAMObject: " + fname)
                    # Load the model from the economy storage
                    SAMCore.load_pruned_model(fname, economy_save, self.SAMObject.model)
                except ValueError:
                    logging.error("Loading " + fname + " failed. Parameters not valid. Training new model")
                    if self.model_mode != 'temporal':
                        self.SAMObject.learn(optimizer='bfgs', max_iters=self.model_num_iterations,
                                             init_iters=self.model_init_iterations, verbose=True)
                    elif self.model_mode == 'temporal':
                        self.SAMObject.model.optimize('bfgs', max_iters=self.model_num_iterations, messages=True)
                        self.SAMObject.type = 'mrd'
                        self.SAMObject.Q = None
                        self.SAMObject.N = None
                        self.SAMObject.namesList = None
                        self.SAMObject.kernelString = None
                    if save_model:
                        logging.info("Saving SAMObject: " + fname)
                        SAMCore.save_pruned_model(self.SAMObject, fname, economy_save)
            elif not os.path.isfile(fname + '.pickle') or not keepIfPresent: 
                # Simulate the function of learning from stored memories, e.g. while sleeping (consolidation).
                if self.model_mode != 'temporal':
                    self.SAMObject.learn(optimizer='bfgs', max_iters=self.model_num_iterations,
                                         init_iters=self.model_init_iterations, verbose=True)
                elif self.model_mode == 'temporal':
                    self.SAMObject.model.optimize('bfgs', max_iters=self.model_num_iterations, messages=True)
                    self.SAMObject.type = 'mrd'
                    self.SAMObject.__num_views = None
                    self.SAMObject.Q = None
                    self.SAMObject.N = None
                    self.SAMObject.namesList = None
                    self.SAMObject.kernelString = None
                if save_model:
                    logging.info("Saving SAMObject: " + fname)
                    SAMCore.save_pruned_model(self.SAMObject, fname, economy_save)
        else:
            logging.info("Loading SAMObject: " + fname)
            self.SAMObject = SAMCore.load_pruned_model(fname)
示例#15
0
    

    
    for j in range(len(participantList)):
        confusionMatrix[i,j] = np.count_nonzero(j == predictions[i])# / float(Ntest)
    
    print 'Accuracy for participant',participantList[i], np.count_nonzero(i == predictions[i]) / float(Ntest)

print
print confusionMatrix
    
#     print 'Total correct:', np.count_nonzero(predictions[i,:]==participantList[i])
  
plot_confusion_matrix(confusion_matrix(np.vstack(participantList[i] for i in Ltest),predictions.flatten()), participantList)
plt.figure()
mm[0].SAMObject.model.plot_latent(labels=L,which_indices=SAMCore.most_significant_input_dimensions(mm[0].SAMObject.model,None))
raw_input('Press enter when done')

# print 'Total correct:', np.count_nonzero(predictions[i,:]==participantList[i])
   
# print 'Average accuracy of:', np.count_nonzero(int(participantList) == predictions) / float(len(Ytestn))

if visualise_output:  
	plot_confusion_matrix(confusion_matrix(np.vstack(participantList[i] for i in Ltest),predictions.flatten()), participantList)
	plt.figure()
	mm[0].SAMObject.model.plot_latent(labels=L,which_indices=SAMCore.most_significant_input_dimensions(mm[0].SAMObject.model,None))
	ax = mm[0].SAMObject.model.plot_latent(labels=L)
	y = mm[0].SAMObject.model.Y[0,:]
	data_show = GPy.plotting.matplot_dep.visualize.vector_show(y)
	lvm_dimselect = GPy.plotting.matplot_dep.visualize.lvm(mm[0].SAMObject.model.X.mean[0,:].copy(), mm[0].SAMObject.model, data_show, ax)
	raw_input('Press enter to finish')
示例#16
0
    fname = modelList[i]

    if Q > 100:
        #one could parse and execute the string kernelStr for kernel instead of line below
        kernel = GPy.kern.RBF(Q,
                              ARD=False) + GPy.kern.Bias(Q) + GPy.kern.White(Q)
    else:
        kernel = None

# Simulate the function of storing a collection of events
    cur.SAMObject.store(observed=cur.Y,
                        inputs=cur.X,
                        Q=Q,
                        kernel=kernel,
                        num_inducing=model_num_inducing)
    SAMCore.load_pruned_model(fname, economy_save, cur.SAMObject.model)
    mm.append(cur)

#open ports
yarp.Network.init()

sect = splitPath[0].split('/')[-1].lower()

parser2 = SafeConfigParser()
parser2.read(interactionConfPath)
portNameList = parser2.items(sect)
print portNameList
portsList = []
for j in range(len(portNameList)):
    if (portNameList[j][0] == 'rpcbase'):
        portsList.append(yarp.RpcServer())
示例#17
0
    print 'Accuracy for participant', participantList[i], np.count_nonzero(
        i == predictions[i]) / float(Ntest)

print
print confusionMatrix

#     print 'Total correct:', np.count_nonzero(predictions[i,:]==participantList[i])

plot_confusion_matrix(
    confusion_matrix(np.vstack(participantList[i] for i in Ltest),
                     predictions.flatten()), participantList)
plt.figure()
mm[0].SAMObject.model.plot_latent(
    labels=L,
    which_indices=SAMCore.most_significant_input_dimensions(
        mm[0].SAMObject.model, None))
raw_input('Press enter when done')

# print 'Total correct:', np.count_nonzero(predictions[i,:]==participantList[i])

# print 'Average accuracy of:', np.count_nonzero(int(participantList) == predictions) / float(len(Ytestn))

if visualise_output:
    plot_confusion_matrix(
        confusion_matrix(np.vstack(participantList[i] for i in Ltest),
                         predictions.flatten()), participantList)
    plt.figure()
    mm[0].SAMObject.model.plot_latent(
        labels=L,
        which_indices=SAMCore.most_significant_input_dimensions(
            mm[0].SAMObject.model, None))