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Privacy Preserving Machine
Learning Techniques
Amogh Tarcar
Machine Learning Researcher
Index
 Need for Privacy Aware Machine Learning
 Federated Learning Intro
 FL in healthcare
 Privacy concerns
 Tools & Platforms
 Demo
Need for Privacy Aware Machine Learning
 Data sources such as EHR , X-Rays, Genomics data are inherently
sensitive and private, and there are ethical as well as legal limitations
for aggregating sensitive data
 Healthcare datasets , especially for rare diseases needs collaboration
of health providers across the world
 Privacy aware machine learning technique enables building models
without needing data to move from its source location. One such
technique is called Federated Learning.
Federated
Learning
Source : https://blog.fastforwardlabs.com/images/editor_uploads/2018-10-31-181344-federated_learning_animated_labeled.gif
Federated
Machine
Learning for
Healthcare
Source: https://blogs.nvidia.com/wp-content/uploads/2019/10/federated_learning_animation_still_white.png
Privacy Concerns
 Federated learning is a variant of
decentralized machine learning
 Even though data does not leave the
source location, the model parameters
may leak info about the data
 Federated learning needs to be
implemented using secure techniques
such as :
 Differential Privacy / Secure
Aggregation
 Secure Multi Party Computation /
Encryption
Image Source : https://www.google.com/url?sa=i&url=http%3A%2F%2Fblog.fastforwardlabs.com%2F2018%2F11%2F14%2Ffederated-
learning.html&psig=AOvVaw0tpZYKhKDMX3h5MOCEXkNC&ust=1585489636330000&source=images&cd=vfe&ved=0CAIQjRxqFwoTCLiGuqmnvegCFQAAAAAdAAAAABAD
Tools & Platforms
TensorFlow FederatedPySyft
NVIDIA CLARA
FedAI
OWKIN Platform
Healthcare Use case Demo

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