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Aprendizaje automático aplicado utilizando TensorFlow
Nicolas Bortolotti@nickbortolotti
Comunicación
@nickbortolotti
G+ - Linkedin - Facebook
Agenda
● Visión General TensorFlow● Computer Vision Stories, TensorFlow
Object Detection API ● Recursos sobre TensorFlow● Preguntas
Story
Object Detection, dinner with friends.
TensorFlow Object Detection in videos, avoiding pizza, donuts and cakes.
TensorFlow Object Detection, an overview of Facebook publications.
TensorFlow Photo x-Ray Object Detection with App Engine.
Tensor Flow Object Detection over Telegram Bot, my breakfast, fruits and an interactive conversation.
ref: https://github.com/tensorflow/models/tree/master/object_detection
Story [spanish]
TensorFlow Object Detection API, cena con amigos
TensorFlow Object Detection en videos, basta de pizza, donuts y cakes…
TensorFlow Object Detection, una mirada a las publicaciones en Facebook
TensorFlow radiografía de imágenes utilizando Object Detection con App Engine
TensorFlow Object Detection sobre Telegram Bot, mi desayuno, frutas y una conversación interactiva.
ref: https://github.com/tensorflow/models/tree/master/object_detection
Recursos Tensor Flow
Videos:
TensorFlow: Machine Learning for Everyone
TensorFlow Dev Summit 2017
Machine Learning Recipes with Josh Gordon
Open Source TensorFlow Models (Google I/O
'17)
Books:
“Hello World” en TensorFlow (free + spanish)
Hands-On Machine Learning with Scikit-Learn
and TensorFlow
Building Machine Learning Projects with
TensorFlow
Code Labs:
TensorFlow for poets 1/2
https://www.tensorflow.org/
El espectro del Aprendizaje Automático
TensorFlow Cloud Machine Learning Machine Learning APIs
Industry / applications
Academic / research
credits: Kaz Sato
La librería open source de Google para
aprendizaje inteligente.
tensorflow.org se lanzó en Nov 2015
La segunda generación utilizada por muchos proyectos de producción ML
Que es TensorFlow?
credits: Kaz Sato
Que es TensorFlow?
Tensor: Arreglo N-dimensional
Flow: data flow computation framework (like MapReduce)
*Para Machine Learning y Deep Learning
o cualquier aplicación de HPC (High Performance Computing)
credits: Kaz Sato
TensorFlow: Expressing High-Level ML Computations
● Different front ends for specifying/driving
the computation
○ Python and C++ today, easy to add
more
Core TensorFlow Execution System
CPU GPU Android iOS ...
C++ front end Python front end ...
credits: Jeff Dean
● Core in C++
○ Very low overhead
MatMul
Add Relu
biases
weights
examples
labels
Xent
Graph of Nodes, also called Operations or ops.
Computation is a dataflow graph
credits: Jeff Dean
with tensors
MatMul
Add Relu
biases
weights
examples
labels
Xent
Edges are N-dimensional arrays: Tensors
Computation is a dataflow graph
credits: Jeff Dean
with state
Add Mul
biases
...
learning rate
−=...
'Biases' is a variable −= updates biasesSome ops compute gradients
Computation is a dataflow graph
credits: Jeff Dean
GPU 0 CPU
Add Mul
biases
learning rate
AssignSub
......
distributedComputation is a dataflow graph
credits: Jeff Dean
Hours
2.6 hours vs. 79.3 hours (30.5X)
10 GPUs50 GPUs
1 GPU
Image Model Training Time
credits: Jeff Dean
TensorBoard: herramienta de visualización
credits: Kaz Sato
Portable
● Training on:
○ Data Center
○ CPUs, GPUs and etc
● Running on:
○ Mobile phones
○ IoT devices
credits: Kaz Sato
Tensor Processing Unit
ASIC for TensorFlow
Designed by Google
10x better perf / watt
latency and efficiency
bit quantization
credits: Kaz Sato
Use Cases
signalfor Search ranking,
out of hundreds
improvementto ranking quality
in 2+ years
#3 #1
Search
machine learning for search engines
RankBrain: a deep neural network for search ranking
[glacier]
Google Photos
22
Smart reply in Inbox by Gmail
10%of all responses sent on mobile
Google Translate with Neural Machine Translation
ref: https://research.googleblog.com/2016/09/a-neural-network-for-machine.html
AlphaGo
Saved Data Center cooling energy for 40%Improved Power Usage Effectiveness (PUE) for 15%
Detection of Diabetic disease: better than doctors
ref: https://research.googleblog.com/2016/11/deep-learning-for-detection-of-diabetic.html
WaveNet by
DeepMind
ref: https://deepmind.com/blog/wavenet-generative-model-raw-audio/
AndroidAppsGmailMapsPhotosSpeechSearchTranslationYouTubeand many others ...
Used across products:
2012 2013 2014 2015
Deep Learning usage at Google
Machine Learning Languages
Startups and Machine Learning
Models
References: https://github.com/tensorflow/models
● object_detection: localizing and identifying multiple objects in a single image.● inception: deep convolutional networks for computer vision.● im2txt: image-to-text neural network for image captioning.● audioset: Models and supporting code for use with AudioSet.● syntaxnet: neural models of natural language syntax.● video_prediction: predicting future video frames with neural advection.● ...
Story
Object Detection, dinner with friends.
TensorFlow Object Detection in videos, avoiding pizza, donuts and cakes.
TensorFlow Object Detection, an overview of Facebook publications.
TensorFlow Photo x-Ray Object Detection with App Engine.
Tensor Flow Object Detection over Telegram Bot, my breakfast, fruits and an interactive conversation.
Story [spanish]
TensorFlow Object Detection API, cena con amigos
TensorFlow Object Detection en videos, basta de pizza, donuts y cakes…
TensorFlow Object Detection, una mirada a las publicaciones en Facebook
TensorFlow radiografía de imágenes utilizando Object Detection con App Engine
TensorFlow Object Detection sobre Telegram Bot, mi desayuno, frutas y una conversación interactiva.
Recursos Tensor Flow
Videos:
TensorFlow: Machine Learning for Everyone
TensorFlow Dev Summit 2017
Machine Learning Recipes with Josh Gordon
Open Source TensorFlow Models (Google I/O
'17)
Books:
“Hello World” en TensorFlow (free + spanish)
Hands-On Machine Learning with Scikit-Learn
and TensorFlow
Building Machine Learning Projects with
TensorFlow
Code Labs:
TensorFlow for poets 1/2
https://www.tensorflow.org/
Thanks!
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