彭博 李碧野 - 《从键盘输入到神经网络》
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1. From Keyboards to Neural Networks 从键盘到神经网络 Qcon Beijing April 21, 2018 Biye Li Team Manager, Data Technologies Automation Xiangqian Yu Team Lead, Derivatives Data © 2018 Bloomberg Finance L.P. All rights reserved.
2. What is Bloomberg? The Bloomberg Terminal delivers a diverse array of information on a single platform to facilitate financial decision- making. 4 © 2018 Bloomberg Finance L.P. All rights reserved.
3. What is Data Technologies Automation? © 2018 Bloomberg Finance L.P. All rights reserved.
4.Challenges – Scale of Financial Information Market Types Speed To Market Accuracy AAPL FB 700 GOOG BIDU ? ? TXT ? ? Companies Problematic Files/Input Modified from https://upload.wikimedia.org/wikipedia/commons/d/dc/UnderwoodKeyboard_%28transparent%29.png https://upload.wikimedia.org/wikipedia/commons/1/18/1328102022_Document.png May be re-distributed in accordance with the terms of the CC-SA 4.0 license https://creativecommons.org/licenses/by-sa/4.0/deed.en
5. Challenges – Accuracy Really Matters Federal Reserve will maintain rate at 1.25% to 1.5% © 2018 Bloomberg Finance L.P. All rights reserved.
6. Challenges – Accuracy Really Matters Federal Reserve will maintain rate at 1.25% to 1.5% vs. Federal Reserve will raise rate to 2% © 2018 Bloomberg Finance L.P. All rights reserved.
7. Solution – Evolution Over Time patt[ern] matc[hin]g 1990s 2000s 2010 2016 2017 Data Volume Modified from https://commons.wikimedia.org/wiki/Category:Machine_learning_algorithms#/media/File:Moving_From_unknown_to_known_feature_spaces_based_on_TS-ELM_with_random_kernels_and_connections.tif https://commons.wikimedia.org/wiki/Category:Machine_learning_algorithms#/media/File:Moving_From_unknown_to_known_feature_spaces_based_on_TS-ELM_with_random_kernels_and_connections.tif https://commons.wikimedia.org/wiki/Category:Machine_learning_algorithms#/media/File:OPTICS.svg May be re-distributed in accordance with the terms of the CC-SA 4.0 license https://creativecommons.org/licenses/by-sa/4.0/deed.en © 2018 Bloomberg Finance L.P. All rights reserved.
8. Back in 2016 – Table Extraction © 2018 Bloomberg Finance L.P. All rights reserved.
9. Tables Look Different © 2018 Bloomberg Finance L.P. All rights reserved.
10. Tables Look Different © 2018 Bloomberg Finance L.P. All rights reserved.
11. Tables Look Different © 2018 Bloomberg Finance L.P. All rights reserved.
12. Tables Look Different © 2018 Bloomberg Finance L.P. All rights reserved.
13. Tables Look Different © 2018 Bloomberg Finance L.P. All rights reserved.
14. Tables Look Different © 2018 Bloomberg Finance L.P. All rights reserved.
15. Table Detection – How Do We Do It © 2018 Bloomberg Finance L.P. All rights reserved.
16. Table Detection – How Do We Do It © 2018 Bloomberg Finance L.P. All rights reserved.
17. Table Detection – How Do We Do It © 2018 Bloomberg Finance L.P. All rights reserved.
18. Computer Vision Tasks Modified from https://commons.wikimedia.org/wiki/File:Cats_Petunia_and_Mimosa_2004.jpg © 2018 Bloomberg Finance L.P. All rights reserved. May be re-distributed in accordance with the terms of the CC-SA 4.0 license https://creativecommons.org/licenses/by-sa/4.0/deed.en
19. Computer Vision Tasks Modified from https://commons.wikimedia.org/wiki/File:Cats_Petunia_and_Mimosa_2004.jpg © 2018 Bloomberg Finance L.P. All rights reserved. May be re-distributed in accordance with the terms of the CC-SA 4.0 license https://creativecommons.org/licenses/by-sa/4.0/deed.en
20. Computer Vision Tasks Modified from https://commons.wikimedia.org/wiki/File:Cats_Petunia_and_Mimosa_2004.jpg © 2018 Bloomberg Finance L.P. All rights reserved. May be re-distributed in accordance with the terms of the CC-SA 4.0 license https://creativecommons.org/licenses/by-sa/4.0/deed.en
21. Table Detection Is Object Detection Deep learning has yielded rapid advancements in computer vision © 2018 Bloomberg Finance L.P. All rights reserved.
22. CNN Modified from https://commons.wikimedia.org/wiki/File:Typical_cnn.png © 2018 Bloomberg Finance L.P. All rights reserved. May be re-distributed in accordance with the terms of the CC-SA 4.0 license https://creativecommons.org/licenses/by-sa/4.0/deed.en
23. ResNet-152 Building Block Repeat this 50 times © 2018 Bloomberg Finance L.P. All rights reserved.
24. Evolution of Depth AlexNet 8 Layers ILSVRC 2012 VGG 19 Layers ILSVRC 2014 ResNet 152 Layers ILSVRC 2015 © 2018 Bloomberg Finance L.P. All rights reserved.
25. Faster RCNN • RCNN bounding-box region proposals classification regression • Fast RCNN classification region proposals bounding-box regression • Faster RCNN region proposals classification bounding-box regression © 2018 Bloomberg Finance L.P. All rights reserved.
26. Faster RCNN Region Proposal Network Conv Layers Feature Maps Classifier Faster RCNN https://github.com/rbgirshick/py-faster-rcnn © 2018 Bloomberg Finance L.P. All rights reserved.
27. Faster RCNN © 2018 Bloomberg Finance L.P. All rights reserved.
28. Visualizing Neural Network © 2018 Bloomberg Finance L.P. All rights reserved.
29. Object Detection Good Enough? Modified from https://commons.wikimedia.org/wiki/File:Cats_Petunia_and_Mimosa_2004.jpg © 2018 Bloomberg Finance L.P. All rights reserved. May be re-distributed in accordance with the terms of the CC-SA 4.0 license https://creativecommons.org/licenses/by-sa/4.0/deed.en
