Lectures

The official language of the course is English: all materials, references and books are in English.

Lecture slides will be made available here, together with suggested readings.

Date Room Topic References Additional Material
1 20/02/2019
(14-16)
 L1 Introduction to the course: motivations and aim; course housekeeping (exams, timetable, materials); introduction to modern pattern recognition applications
(slide)




227/02/2020
(14-16)		L1Signal processing: timeseries; time domain analysis (statistics, correlation); spectral analysis; fourier analysis.
(slide)[video]

Demo
328/02/2020
(11-13)
C1Image processing: feature descriptors (color histograms, SIFT), spectral analysis, feature detectors (edge, blobs and segments).
(slide)[video]

Additional Readings
[1,2] Two high-level surveys on visual feature extraction and representation

04/05/2020

Lecture postponed due to health and prevention measures



 05/05/2020
Lecture postponed due to health and prevention measures

4
 12/03/2020
(14-16)
 ONLINE
 Generative and Graphical Models - Part 1: probability refresher; graphical model representation; directed and undirected models
(slide)[video, stream]
 [BRML] Ch. 1 and 2 (Refresher)
[BRML] Sect. 3.1, 3.2 and 3.3.1
(conditional independence)
ofware
5
 13/03/2020
(11-13)
 ONLINE
 Generative and Graphical Models - Part 2: Bayesian networks; Markov networks; conditional independence and d-separation.
[video, stream]
 [BRML] Sect. 3.3 (Directed Models)
[BRML] Sect. 4.1, 4.2.0-4.2.2 (Undirected Models)
[BRML] Sect. 4.5 (Expressiveness)
6
 19/03/2020
(14-16)
 ONLINE
 Hidden Markov Models:  learning in directed graphical models; forward-backward algorithm;  generative models for sequential data
(slide) [video, stream]

Note: the notebook with the derivations of this lecture (and future ones) is shared on the course Team as a OneNote pad.
[BRML] Sect. 23.1.0 (Markov Models)
[BRML] Sect. 23.2.0-23.2.4 (HMM and forward backward) 
 Additional Readings
[3]  A classical tutorial introduction to HMMs
7
 20/03/2020
(11-13)
 ONLINE
  Hidden Markov Models - Part 2: EM algorithm, learning as inference, Viterbi Algorithm
[video,stream]
 [BRML] Sect. 23.2.6 (Viterbi)
 [BRML] Sect. 23.3.1-23.3.4 (EM and learning)
8
 26/03/2020
(14-16)
 ONLINE
 Markov Random Fields: learning in undirected graphical  models; conditional random fields; pattern recognition applications
(slides)[video,stream]
  [BRML] Sect. 4.2.2, 4.2.5 (MRF)
[BRML] Sect. 4.4 (Factor Graphs)
[BRML] Sect. 5.1.1 (Variable Elimination and Inference on Chain) 
[BRML] Sect. 9.6.0, 9.6.1, 9.6.4, 9.6.5 (Learning in MRF/CRF)
 Additional Readings
[4,5] Two comprehensive tutorials on CRF ([4] more introductory and [5] more focused on vision)
[6] A nice application of CRF to image segmentation

Sofware
Check out pgmpy: it has Python notebooks to introduce to working with MRF/CRF
9
 27/03/2020
(11-13)
 ONLINE
 Boltzmann Machines: bridging neural networks and generative models; stochastic neuron; restricted Boltzmann machine; contrastive divergence
(slides)[video, stream]
 [DL] Sections 20.1 and 20.2
 Additional Readings
[7] A clean and clear introduction to RBM from its author

Sofware
Matlab code for Deep Belief Networks (i.e. stacked RBM) and Deep Boltzmann Machines.
M1
 27/03/2020
(13.30-16)
 ONLINE
 Midterm 1 discussions

10
 03/04/2020
(14-16)
 ONLINE
 Bayesian Learning: non-parametric models; variational learning
(slides)[video1,video2,video3,stream1,stream2,stream3]
 [BRML] Sect. 11.2.1 (Variational EM), 20.4-20.6.1  (LDA)
  Additional Readings
[8] LDA foundation paper
[9] A gentle introduction to latent topic models
[10] Foundations of bag of words image representation

Sofware
11
 04/04/2020
(11-13)
 ONLINE
 Bayesian Learning: sampling methods
(slides) [stream,video]
 [BRML] Sect. 27.1-27.3, 27.4.1, 27.6.2
12
 16/04/2020
(14-16)
 ONLINE
 Convolutional Neural Networks (part I): introduction to CNN; basic CNN elements
(slides)[stream1,stream2,video1,video2]

  [DL] Chapter 9
 Additional Readings
[11-15] Original papers for LeNet, AlexNet, VGGNet, GoogLeNet and ResNet.
13
 17/04/2020
(11-13)
 ONLINE
 Convolutional Neural Networks (part II): CNN architectures for image recognition; convolution visualization; advanced topics (deconvolution, dense nets); applications and code
(stream,video)
  [DL] Chapter 9
 Additional Readings
[16] Complete summary of convolution arithmetics
[17] Seminal paper on batch normalization
[18] CNN interpretation using deconvolutions
14
 23/04/2020
(14-16)
 ONLINE
 Deep Autoencoders: introduction to the deep learning module, sparse, denoising and contractive AE; deep RBM.
(slides)[stream,video]
 [DL] Chapter 14, Sect 20.3, 20.4.0 (from 20.4.1 onwards not needed)
 Additional Readings
[19] DBN: the paper that started deep learning
[20] Deep Boltzmann machines paper
[21] Review paper on deep generative models
[22] Long review paper on autoencoders from the perspective of representation learning
[23] Paper discussing regularized autoencoder as approximations of likelihood gradient
15
 24/04/2020
(11-13)
 ONLINE
 Gated Recurrent Networks: deep learning for sequence processing; gradient issues; long-short term memory; gated recurrent units; generative use of RNN
(slides)[stream,video]
 [DL] Sections 10.1-10.3, 10.5-10.7, 10.10, 10.11
 Additional Readings
[24] Paper describing gradient vanish/explosion
[25] Original LSTM paper
[26] An historical view on gated RNN
[27] Gated recurren units paper
[28] Seminal paper on dropout regularization

Sofware
16
 30/04/2020
(14-16)
 ONLINE
 Learning in Structured Domain I: Recursive Neural Networks
(Guest lecture by Alessio Micheli)
(slides)[stream1,stream2]

17
 07/05/2020
(14-16)
 ONLINE
 Learning in Structured Domain II: Neural Networks for Graphs
(Guest lecture by Alessio Micheli)
(slides)[stream1,stream2]

M2
 08/05/2020
(11-14.30)
 ONLINE
  Midterm 2 discussions

18
 14/05/2020
(14-16)
 ONLINE
 PyTorch – neural networks in Python:
python; pytorch; RNN
(Coding practice by Antonio Carta)
(slides&notebooks)[stream,video]

19
 15/05/2020
(11-13)
 ONLINE
 An introduction to Tensorflow and Keras
python; numpy, tensorflow, keras;
(Coding practice by Federico Errica)
(slides)[stream,video]

20
 21/05/2020
(14-16)
 ONLINE
 Advanced Recurrent Architectures: sequence-to-sequence;  attention models; multiscale network; memory networks; neural reasoning.
(slides)[stream,video]
 [DL] Sections 10.12, 12.4.5
 Additional Readings
[29,30] Models of sequence-to-sequence and image-to-sequence transduction with attention
[31,32] Models optimizing dynamic memory usage (clockwork RNN, zoneout)
[33] Differentiable memory networks
[34,35] Neural Turing Machines and follow-up paper on pondering networks
[36] Transformer networks: a paper on the power of attention without recurrence
21
 22/05/2020
(11-13)
 ONLINE
 Generative and Unsupervised Deep Learning: explicit distribution models; variational autoencoders; adversarial learning.
(slides)[stream,video]
 [DL] Sections 20.9, 20.10.1-20.10.4
 Additional Readings
[37] PixelCNN - Explict likelihood model
[38] Tutorial on VAE
[39] Tutorial on GAN (here another online resource with GAN tips)
[40] Wasserstein GAN
[41] Tutorial on sampling neural networks

Sofware
22
 28/05/2020
(14-16)
 ONLINE
 Advanced research topics: new recurrent models, tensor-based models, continual learning, deep learning for graphs, music representation and generation (Short seminars by: Antonio Carta; Daniele Castellana; Andrea Cossu; Federico Errica; Andrea Valenti)
(click on the topics to dowload the slides)

23
 29/05/2020
(11-13)
 ONLINE
 Final lecture: course wrap-up; research themes; final projects; exam modalities
(slides)[stream]
M3
 04/06/2020
(14-18)
 ONLINE
  Midterm 3 discussions


Bibliography

  1. Scott Krigg, Interest Point Detector and Feature Descriptor Survey, Computer Vision Metrics, pp 217-282, Open Access Chapter
  2. Tinne Tuytelaars and Krystian Mikolajczyk, Local Invariant Feature Detectors: A Survey, Foundations and Trends in Computer Graphics and Vision, Vol. 3, No. 3 (2007) 177–2, Online Version
  3. Lawrence R. Rabiner:a tutorial on hidden Markov models and selected applications in speech recognition. Proceedings of the IEEE, 1989, pages 257-286, Online Version
  4. Charles Sutton and Andrew McCallum,  An Introduction to Conditional Random Fields, Arxiv
  5. Sebastian Nowozin and Christoph H. Lampert, Structured Learning and Prediction, Foundations and Trends in Computer Graphics and Vision, Online Version
  6. Philipp Krahenbuhl, Vladlen Koltun, Efficient Inference in Fully Connected CRFs with Gaussian Edge Potentials, Proc.of NIPS 2011, Arxiv
  7. Geoffrey Hinton, A Practical Guide to Training Restricted Boltzmann Machines, Technical Report 2010-003, University of Toronto, 2010
  8. D. Blei, A. Y. Ng, M. I. Jordan. Latent Dirichlet Allocation. Journal of Machine Learning Research, 2003
  9. D. Blei. Probabilistic topic models. Communications of the ACM, 55(4):77–84, 2012, Free Online Version
  10. G. Csurka, C. R. Dance, L. Fan, J. Willamowski, and C. Bray. Visual Categorization with Bags of Keypoints. Workshop on Statistical Learning in Computer Vision. ECCV 2004, Free Online Version
  11. Y. LeCun, B. Boser, J. S. Denker, D. Henderson, R. E. Howard, W. Hubbard and L. D. Jackel. Handwritten digit recognition with a back-propagation network, Advances in Neural Information Processing Systems, NIPS, 1989
  12. A. Krizhevsky, I. Sutskever, and G. E. Hinton. ImageNet classification with deep convolutional neural networks, Advances in Neural Information Processing Systems, NIPS, 2012
  13. S. Simonyan and A. Zisserman.  Very deep convolutional networks for large-scale image recognition, ICLR 2015, Free Online Version
  14. C. Szegedy et al,  Going Deeper with Convolutions, CVPR 2015, Free Online Version
  15. K. He, X. Zhang, S. Ren, and J. Sun. Deep Residual Learning for Image Recognition. CVPR 2016, Free Online Version
  16. V. Dumoulin, F. Visin, A guide to convolution arithmetic for deep learning, Arxiv
  17. S. Ioffe, C. Szegedy, Batch Normalization: Accelerating Deep Network Training by Reducing Internal Covariate Shift, ICML 2013,  Arxiv
  18. M.D. Zeiler and R. Fergus, Visualizing and Understanding Convolutional Networks, ICML 2013, Arxiv
  19. G.E. Hinton, R. R. Salakhutdinov. Reducing the dimensionality of data with neural networks.Science 313.5786 (2006): 504-507, Free Online Version
  20. G.E. Hinton, R. R. Salakhutdinov. Deep Boltzmann Machines. AISTATS 2009, Free online version.
  21. R. R. Salakhutdinov. Learning Deep Generative Models, Annual Review of Statistics and Its Application, 2015, Free Online Version
  22. Y. Bengio, A. Courville, and P. Vincent. Representation learning: A review and new perspectives. Pattern Analysis and Machine Intelligence, IEEE Transactions on, Vol. 35(8) (2013): 1798-1828, Arxiv.
  23. G. Alain, Y. Bengio. What Regularized Auto-Encoders Learn from the Data-Generating Distribution, JMLR, 2014.
  24. Y. Bengio, P. Simard and P. Frasconi, Learning long-term dependencies with gradient descent is difficult. TNN, 1994, Free Online Version
  25. S. Hochreiter, J. Schmidhuber, Long short-term memory, Neural Computation, 1997, Free Online Version
  26. K. Greff et al, LSTM: A Search Space Odyssey, TNNLS 2016, Arxiv
  27. C. Kyunghyun et al, Learning Phrase Representations using RNN Encoder-Decoder for Statistical Machine Translation, EMNLP 2014, Arxiv
  28. N. Srivastava et al, Dropout: A Simple Way to Prevent Neural Networks from Overfitting, JLMR 2014
  29. Bahdanau et al, Neural machine translation by jointly learning to align and translate, ICLR 2015, Arxiv
  30. Xu et al, Show, Attend and Tell: Neural Image Caption Generation with Visual Attention, ICML 2015, Arxiv
  31. Koutník et al, A Clockwork RNN, ICML 2014, Arxiv
  32. Krueger, Zoneout: Regularizing RNNs by Randomly Preserving Hidden Activation, ICLR 2018, Arxiv
  33. Sukhbaatar et al, End-to-end Memory Networks, NIPS 2015, Arxiv
  34. A. Graves et al, Neural Turing Machines, Arxiv
  35. A.Graves, Adaptive Computation Time for Recurrent Neural Networks, Arxiv
  36. A. Vaswan et al, Attention Is All You Need, NIPS 2017, Arxiv
  37. A. van der Oord et al., Pixel Recurrent Neural Networks, 2016, Arxiv
  38. C. Doersch, A Tutorial on Variational Autoencoders, 2016, Arxiv
  39. Ian Goodfellow, NIPS 2016 Tutorial: Generative Adversarial Networks, 2016, Arxiv
  40. Arjovsky et al, Wasserstein GAN, 2017, Arxiv
  41. T. White, Sampling Generative Network, NIPS 2016, Arxiv

Last modified: Friday, 12 February 2021, 3:31 PM