Machine Learning With App Inventor
Written by Sue Gee   
Wednesday, 16 October 2019

MIT App Inventor has already been changing the way that kids learn about  computing, allowing them to create fully functioning apps for smartphones and tablets. Now it has expanded its focus to include artificial intelligence. The first AI unit, on Image Classification, is now available for use in, or out of, the classroom.  

App Inventor is MIT's drag and drop platform for building Android Apps. If you don't know about it, Getting started with MIT App Inventor 2 is a hand-on introduction for programmers that will quickly indicate its distinguishing features. appinvbanner

The introduction to Artificial Intelligence with MIT App Inventor states:

MIT is building tools into App Inventor that will enable even beginning students to create original AI applications that would have been advanced research a decade ago. This creates new opportunities for students to explore the possibilities of AI and empowers students as creators of the digital future.

It goes on:

As with all MIT App Inventor efforts, the emphasis is on active constructionist learning where students create projects and programs that instantiate their ideas.

The first AI unit Introduction to Machine Learning: Image Classification enables students to learn about the basics of machine learning and create their own apps that implement these concepts through image classification. It is aimed at Grade levels 6 - 8 and 9 - 12 (spanning ages 11 to 18) and uses an MIT App Inventor extension called the LookExtension that adds object recognition using a neural network to App Inventor. Only certain device/OS pairs support the LookExtension but most Chromebooks do.

mitmltraining

The unit comprises two 45-minute lessons. In the first students get a basic understanding of how machine learning for image classification works, using images of cats as an example, then  they go through the guided tutorial on Google's Teachable Machine. If you are not familiar with this resource see our account Google's Teachable Machine - What it really signifies for how it works and a discussion of what it means.

In the second lesson students build their own machine learning app, Whatisit which has been trained for 999 different classes. They then test its capabilities by photographing new objects and using the LookExtension's Classify button.

mitmllookext

Until recently Machine Learning has been an elite pursuit - done at postgraduate or post doctoral level. Now new tools allow those without such a background to join in. By bringing machine learning into the classroom, AI for App Inventor is inverting the pyramid and making machine learning truly accessible. MIT isn't the first to do this - back in March 2018 we reported that Google Provides Free Machine Learning For All - but by providing teachers with the resources to introduce AI into the classroom it may have more focused impact. aiwithappinvsq

 

More Information

Artificial Intelligence with MIT App Inventor

Introduction to Machine Learning: Image Classification

Related Articles

Getting started with MIT App Inventor 2

App Inventor 2 (Book Review)

App Inventor: Create Your Own Android Apps (Book Review)

App Inventor Version 2 - Easy Android Apps

Google's Teachable Machine - What it really signifies

Easy Android Apps

Raspberry Pi or Programming - What shall we teach the children?

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Last Updated ( Wednesday, 16 October 2019 )