Intro to deep learning Python Meetup
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Slides for the SF Python Meetup Project Night, Feb 20, 2019 at Optimizely.
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Intro to deep learning Python Meetup
- 1. Catalit LLC INTROTO DEEP LEARNING WITH PYTHON AND KERAS Optimizely / Feb 2019
- 3. Catalit LLC Caption generation Object recognition http://www.image-net.org/challenges/LSVRC/
- 4. Catalit LLC APPLICATIONS Speech recognition and synthesis http://venturebeat.com/2015
- 5. Catalit LLC APPLICATIONS Neural MachineTranslation https://devblogs.nvidia.com/parallelforall/ https://smallbiztrends.com/2017/
- 6. Catalit LLC
- 9. Catalit LLC REASONS Deep Learning Traditional Machine Learning # training data Performance
- 10. Catalit LLC REASONS Traditional Machine Learning # training data Performance Feature extract OutputFeatures Shallow ML algo Input Deep Learning Output Input Deep Learning
- 11. Catalit LLC NEURAL NETWORKS • Many inputs • One output
- 12. Catalit LLC NEURAL NETWORKS • Many inputs • One output
- 16. Catalit LLC FULLY CONNECTED … xN x1 b Input Output b b … b b Layer 1 Layer L b b b … b Layer 2 y …
- 18. Catalit LLC LOSS FUNCTION Cost 0 4 8 12 16 Value of parameter β 0 2 4 5 7 J(β) Define Hypothesis Define Loss Function Minimize Loss Function Hypothesis is more complicated … x x b In Oub b … b b La La b b b … b La y …
- 19. Catalit LLC MULTIVALUE CLASSIFICATION Non exclusive classes A B C 1 0 0 1 0 0 0 1 0 0 0 1 Mutually exclusive classes Pers Work Doc Photo 1 0 1 0 0 1 1 0 0 1 0 1 0 0 0 1
- 20. Catalit LLC NON EXCLUSIVE … xN x1 b Input Output b b … b Layer 1 Last layer b b b … b Layer 2 … b b b … b y1 y2 y3 yJ sigmoid Per s Wo rk Doc Pho to 1 0 1 0 0 1 1 0 0 1 0 1 0 0 0 1 sigmoid sigmoid sigmoid
- 21. Catalit LLC MUTUALLY EXCLUSIVE … xN x1 b Input Output b b … b Layer 1 Last layer b b b … b Layer 2 … b b b … b A B C 1 0 0 1 0 0 0 1 0 0 0 1 Mutuall y1 y2 y3 yJ softmax
- 22. Catalit LLC MASTER FORMULA model = data + structure + loss + optimizer
- 23. Catalit LLC github.com/zerotodeeplearning • first_deep_learning_model • ztdl-5-day-bootcamp
- 24. Catalit LLC ZTDL BOOTCAMP bootcamp.zerotodeeplearning.com Code: PYTHONSF10 for 10% OFF