Exemple #1
0
def main():
    data = MNISTSeven("../data/mnist_seven.csv",
                      3000,
                      1000,
                      1000,
                      oneHot=False)
    myMLPClassifier = MultilayerPerceptron(data.trainingSet,
                                           data.validationSet,
                                           data.testSet,
                                           loss='ce',
                                           layers=[128, 150],
                                           learningRate=0.005,
                                           epochs=10)

    # Report the result #

    # Train the classifiers
    print("=========================")
    print("Training..")

    print("\nMultilayer Perceptron has been training..")
    myMLPClassifier.train()
    print("Done..")

    # Do the recognizer
    # Explicitly specify the test set to be evaluated
    mlpPred = myMLPClassifier.evaluate()

    # Report the result
    print("=========================")
    evaluator = Evaluator()

    print("\nResult of the Multi Layer Perceptron recognizer:")
    evaluator.printComparison(data.testSet, mlpPred)
    evaluator.printAccuracy(data.testSet, mlpPred)

    # Draw
    plot = PerformancePlot("Multi Layer Perceptron validation")
    plot.draw_performance_epoch(myMLPClassifier.performances,
                                myMLPClassifier.epochs)
Exemple #2
0
def main():
    data = MNISTSeven("../data/mnist_seven.csv", 3000, 1000, 1000)
    # myStupidClassifier = StupidRecognizer(data.trainingSet,
    #                                       data.validationSet,
    #                                       data.testSet)
    myPerceptronClassifier = Perceptron(data.trainingSet,
                                        data.validationSet,
                                        data.testSet,
                                        learningRate=1e-2,
                                        epochs=1000)
    
    # Train the classifiers
    print("=========================")
    print("Training..")

    print("\nStupid Classifier has been training..")
    # myStupidClassifier.train()
    print("Done..")

    print("\nPerceptron has been training..")
    myPerceptronClassifier.train()
    print("Done..")

    # Do the recognizer
    # Explicitly specify the test set to be evaluated
    # stupidPred = myStupidClassifier.evaluate()
    perceptronPred = myPerceptronClassifier.evaluate()
    
    # Report the result
    print("=========================")
    evaluator = Evaluator()

    print("Result of the stupid recognizer:")
    # evaluator.printComparison(data.testSet, stupidPred)
    # evaluator.printAccuracy(data.testSet, stupidPred)

    print("\nResult of the Perceptron recognizer:")
    evaluator.printComparison(data.testSet, perceptronPred)
    evaluator.printAccuracy(data.testSet, perceptronPred)
Exemple #3
0
def main():
    data = MNISTSeven("../data/mnist_seven.csv",
                      3000,
                      1000,
                      1000,
                      oneHot=False)

    # myLRClassifier = LogisticRegression(data.trainingSet,
    #                                     data.validationSet,
    #                                     data.testSet,
    #                                     learningRate=0.005,
    #                                     epochs=30)
    hidden_layers = [
        LogisticLayer(128, 32, isClassifierLayer=True) for layer in range(1)
    ]
    mlp = MultilayerPerceptron(data.trainingSet,
                               data.validationSet,
                               data.testSet,
                               hidden_layers,
                               learningRate=0.005,
                               epochs=30)

    # Train the classifiers
    #print("=========================")
    print("Training...")

    # print("\nLogistic Regression has been training..")
    # myLRClassifier.train()
    # print("Done..")

    print("Training MLP...")
    mlp.train()
    print("Done.")

    # Do the recognizer
    # Explicitly specify the test set to be evaluated
    # stupidPred = myStupidClassifier.evaluate()
    # perceptronPred = myPerceptronClassifier.evaluate()
    # lrPred = myLRClassifier.evaluate()
    mlpPred = mlp.evaluate()

    # Report the result
    print("=========================")
    evaluator = Evaluator()

    # print("Result of the stupid recognizer:")
    #     # #evaluator.printComparison(data.testSet, stupidPred)
    #     # evaluator.printAccuracy(data.testSet, stupidPred)
    #     #
    #     # print("\nResult of the Perceptron recognizer:")
    #     # #evaluator.printComparison(data.testSet, perceptronPred)
    #     # evaluator.printAccuracy(data.testSet, perceptronPred)
    #     #
    #     # print("\nResult of the Logistic Regression recognizer:")
    #     # #evaluator.printComparison(data.testSet, lrPred)
    #     # evaluator.printAccuracy(data.testSet, lrPred)

    print("Result of the MLP recognizer:")
    evaluator.printComparison(data.testSet, mlpPred)
    evaluator.printAccuracy(data.testSet, mlpPred)

    # Draw
    plot = PerformancePlot("Logistic Regression validation")
    # plot.draw_performance_epoch(myLRClassifier.performances,
    #                             myLRClassifier.epochs)
    plot.draw_performance_epoch(mlp.performances, mlp.epochs)
Exemple #4
0
def main():
    # data = MNISTSeven("../data/mnist_seven.csv", 3000, 1000, 1000,
    #                  one_hot=True, target_digit='7')

    # NOTE:
    # Comment out the MNISTSeven instantiation above and
    # uncomment the following to work with full MNIST task
    data = MNISTSeven("../data/mnist_seven.csv", 3000, 1000, 1000,
                      one_hot=False)

    # NOTE:
    # Other 1-digit classifiers do not make sense now for comparison purpose
    # So you should comment them out, let alone the MLP training and evaluation

    # Train the classifiers #
    print("=========================")
    print("Training..")

    # Stupid Classifier
    # myStupidClassifier = StupidRecognizer(data.training_set,
    #                                       data.validation_set,
    #                                       data.test_set)

    # print("\nStupid Classifier has been training..")
    # myStupidClassifier.train()
    # print("Done..")
    # Do the recognizer
    # Explicitly specify the test set to be evaluated
    # stupidPred = myStupidClassifier.evaluate()

    # Perceptron
    # myPerceptronClassifier = Perceptron(data.training_set,
    #                                     data.validation_set,
    #                                     data.test_set,
    #                                     learning_rate=0.005,
    #                                     epochs=10)
    #
    # print("\nPerceptron has been training..")
    # myPerceptronClassifier.train()
    # print("Done..")
    # Do the recognizer
    # Explicitly specify the test set to be evaluated
    # perceptronPred = myPerceptronClassifier.evaluate()

    # Logistic Regression
    # myLRClassifier = LogisticRegression(data.training_set,
    #                                     data.validation_set,
    #                                     data.test_set,
    #                                     learning_rate=0.005,
    #                                     epochs=30)
    #
    # print("\nLogistic Regression has been training..")
    # myLRClassifier.train()
    # print("Done..")
    # Do the recognizer
    # Explicitly specify the test set to be evaluated
    # lrPred = myLRClassifier.evaluate()

    # Multi layer perceptron
    layers = [LogisticLayer(data.training_set.input.shape[1], 30, None, 'sigmoid', False),
              LogisticLayer(30, 10, None, 'softmax', True)]
    myMLPClassifier = MultilayerPerceptron(data.training_set,
                                           data.validation_set,
                                           data.test_set,
                                           layers=layers,
                                           learning_rate=0.005, epochs=30)

    print("\nLogistic Regression has been training..")
    myMLPClassifier.train()
    print("Done..")
    # Do the recognizer
    # Explicitly specify the test set to be evaluated
    mlpPred = myMLPClassifier.evaluate()

    # Report the result #
    print("=========================")
    evaluator = Evaluator()

    # print("Result of the stupid recognizer:")
    # evaluator.printComparison(data.testSet, stupidPred)
    # evaluator.printAccuracy(data.test_set, stupidPred)

    # print("\nResult of the Perceptron recognizer (on test set):")
    # evaluator.printComparison(data.testSet, perceptronPred)
    # evaluator.printAccuracy(data.test_set, perceptronPred)

    # print("\nResult of the Logistic Regression recognizer (on test set):")
    # evaluator.printComparison(data.testSet, perceptronPred)
    # evaluator.printAccuracy(data.test_set, lrPred)

    print("\nResult of the Multi-layer Perceptron recognizer (on test set):")
    evaluator.printComparison(data.test_set, mlpPred)
    evaluator.printAccuracy(data.test_set, mlpPred)