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Author: torontoai

[Discussion] Can Time Series Analysis be considered as a part of Machine Learning?

Recently had a dispute with a head of the research group I’m working in about terminology. The chief claimed that Time Series Analysis (TSA) is a separate field of study which does apply Machine Learning techniques for it’s problems (NN and so on). While I tried to convince my chief that Machine Learning is a wide term, which is used for a group of different fields of science: NN, TSA, Statistics etc. Was I correct? Or am I mistaken? The discussion was in a context of writing an article so the terminology did matter.

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[R] Speech synthesis from neural decoding of spoken sentences (Nature)

Speech synthesis from neural decoding of spoken sentences

Abstract

Technology that translates neural activity into speech would be transformative for people who are unable to communicate as a result of neurological impairments. Decoding speech from neural activity is challenging because speaking requires very precise and rapid multi-dimensional control of vocal tract articulators. Here we designed a neural decoder that explicitly leverages kinematic and sound representations encoded in human cortical activity to synthesize audible speech. Recurrent neural networks first decoded directly recorded cortical activity into representations of articulatory movement, and then transformed these representations into speech acoustics. In closed vocabulary tests, listeners could readily identify and transcribe speech synthesized from cortical activity. Intermediate articulatory dynamics enhanced performance even with limited data. Decoded articulatory representations were highly conserved across speakers, enabling a component of the decoder to be transferrable across participants. Furthermore, the decoder could synthesize speech when a participant silently mimed sentences. These findings advance the clinical viability of using speech neuroprosthetic technology to restore spoken communication.

Nature (paywall): https://www.nature.com/articles/s41586-019-1119-1

direct link to pdf: https://www.gwern.net/docs/ai/2019-anumanchipalli.pdf

YouTube demo: https://www.youtube.com/watch?v=kbX9FLJ6WKw

Articles about this paper:

Nature: https://www.nature.com/articles/d41586-019-01328-x

Scientific American: https://www.scientificamerican.com/article/scientists-take-a-step-toward-decoding-thoughts/

NY Times: https://www.nytimes.com/2019/04/24/health/artificial-speech-brain-injury.html

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[Discussion] Pop!_OS vs Ubuntu for Machine Learning

Ubuntu has been well known for it’s #1 spot in the most popular distro for Machine Learning. However, the newer distro, Pop! OS, has gained much popularity in the past year. It specializes in a productive interface that aims towards developers. In addition, I have seen that Pop OS to be quite similar, and at times, better than Ubuntu.

So I raise this question: What is Pop! OS in terms of Machine Learning compared to Ubuntu? Does it stand higher than Ubuntu – the distro we had all trusted for many years? Or is it not yet ready to become the most preferred distro for ML development?

I would love to hear your opinion!

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[P] I used RNNs and Markov Chains to generate artificial Bob Dylan lyrics.

In this article I explore Markov Chains and RNNs (Recurrent Neural Networks) and then propose a comparison and analysis of which one outputs better results and how they both perform in predicting the lyrics of Bob Dylan

Thanks for the space!

https://towardsdatascience.com/bewildering-brain-332d5192e95b?source=friends_link&sk=201802393d3ef10cafcdeb4a2d6db955

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Udacity’s Machine Learning Nanodegree now includes Amazon SageMaker 

During the past few years, the demand for machine learning specialists and engineers has soared. These two roles now rank among the top emerging jobs on LinkedIn. More recently, machine learning is being adopted by a wide range of industries, from medical diagnostic companies to finance firms and more. Udacity created the Intro to Machine Learning Nanodegree program and Machine Learning Engineer Nanodegree program in response to this demand to provide access to this growing tech field to a broader audience.

There is a growing demand for engineers who are able to integrate machine learning models into globally available production applications like voice assistants and recommendation engines. Knowing how to build machine learning models is a great starting point. But, to truly make an impact, a data scientist or developer needs to know how to take a model out of the lab and into the real world so that it can be used to make millions or billions of predictions.

“Industry demand for the latest AI skills is at an all-time high. In collaboration with Amazon, we’ve updated the Udacity Machine Learning Nanodegree program to make it possible to gain the latest machine learning deployment skills anywhere in the world on the AWS platform,” says Sebastian Thrun, Co-Founder, President, Executive Chairman of Udacity.

AWS Educate and Amazon SageMaker collaborated with Udacity to create new deployment content for the Machine Learning Engineer Nanodegree program. AWS Educate provides Udacity students with access to AWS content and AWS promotional credits. These benefits allow students to use Amazon SageMaker for assignments developed in tandem with AWS subject matter experts (SMEs). The course examines a variety of machine learning models as they are applied at-scale to real-world tasks. Students learn how to deploy both unsupervised and supervised algorithms, and apply them to tasks such as feature engineering and time-series forecasting. This content addresses questions such as:

  1. How do you decide on the correct machine learning model for a given task?
  2. How can you use cloud deployment tools such as Amazon SageMaker to work with data and improve your machine learning models?

Machine Learning Engineer Nanodegree program description from Udacity.com

In addition to learning about model deployment, students also learn about model serving and updating. The course now shows how to connect a deployed sentiment analysis model to a website by using an AWS API. After deploying the model, it’s updated to account for changes in the underlying text data – an especially valuable skill in industries that continuously collect data. By the end of this section, students should have the skills needed to train and deploy models to solve tasks of their own design!

ML courses from beginner to advanced

Udacity’s Intro to Machine Learning and Machine Learning Engineer Nanodegree programs are part of Udacity’s School of AI, a set of free courses and Nanodegree programs designed by and for software developers. If you’re new to machine learning, their Intro to Machine Learning Nanodegree program is an entry point to learn foundational machine learning concepts such as data cleaning and supervised models. If you already have machine learning skills, the updated Machine Learning Engineer Nanodegree program, featuring Amazon SageMaker, focuses on teaching you the latest in machine learning deployment technologies.

Enroll today to get practical experience deploying machine learning models at-scale with an AWS Educate membership.


About the Author

Sally Revell is a Senior Manager, Product Marketing for AWS AI. She loves to work on innovative products that have the potential to impact people’s lives in a positive way. In her spare time, she loves to do yoga, horseback riding and being outdoors in the beauty of the Pacific Northwest.

 

 

 

 

 

[P] AI read news for you

Hi there! We with friends created an app for IOS that can voice any article from any media for you. In this app we’re using the technology based on machine learning. The app is free without any advertisement. Now we gathering feedbacks from users. So if this sounds interesting for you, please find more information here: What is Peech app and how to use it I will be glad to hear any thoughts, ideas and feedbacks about the app. Thanks!

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