Introduction to Machine Learning and MyMainde

Dr S Muthukumaran

12/6/20252 min read

Introduction to Machine Learning

Machine learning (ML) is a captivating field of computer science that gives computers the ability to "learn" from data without being explicitly programmed for every possible scenario. At its core, ML is about creating systems that can recognize patterns, make predictions, or discover insights from data. Think of it like a computer getting smarter over time, much like how humans and animals learn through experience.

The Big Idea: Learning from Data

In traditional programming, a developer writes specific, step-by-step instructions for a computer to follow. In machine learning, we flip the script. Instead of providing instructions, we provide data—lots of it. The computer then uses clever mathematical algorithms to find the hidden structure within that data.

Imagine you want to teach a computer to tell the difference between a picture of a cat and a picture of a dog. You wouldn't write code for every single possible fur color, ear shape, or tail position. Instead, you'd show the computer thousands of labeled pictures ("this is a cat," "this is a dog"). The ML algorithm would study these examples, identifying key visual features that distinguish the two animals. Eventually, you can show it a brand-new, unlabeled picture, and it will use its "learned" knowledge to make a prediction.

How Does it Work? The Main Types

Machine learning generally breaks down into a few main categories:

Supervised Learning

This is the most common type. It’s like learning with a teacher. We provide labeled data (like our cat and dog pictures) and the algorithm learns the relationship between the input (the image) and the output (the label). This is what powers spam filters, price prediction models, and recommendation systems like those on Netflix or Amazon.

Unsupervised Learning

In this case, there are no labels. It's like letting the computer explore the data on its own to find hidden groupings or structures. A classic example is a streaming service grouping its users into different music taste clusters (e.g., pop lovers, rock fans, classical enthusiasts) without prior instruction.

Reinforcement Learning

This type of learning is all about trial and error. The algorithm learns to make decisions by receiving "rewards" for good choices and "penalties" for bad ones. This is the technology behind self-driving cars learning how to navigate roads safely and AI systems mastering complex video games.

Why is it Everywhere?

Machine learning has exploded in popularity for a few reasons. First, we generate more data than ever before, which is the fuel for ML. Second, computers have become incredibly powerful, allowing them to run complex algorithms quickly. Third, researchers have developed sophisticated techniques like deep learning (a subset of ML using neural networks inspired by the human brain) that are incredibly effective at tasks like image and speech recognition.

Introduction to MyMainde

The MyMainde (Micro Yoga & Meditation by Artificial-Intelligence for Internal Natural Divinity Exploration was developed by Prof. S. Muthukumaran using Machine Learning to predict the mental status of the mind. A random forest algorithm has been trained with data collected from hundreds of diversified population.

The purpose of VitalMind is to warm up our minds and prepare for meditation. To experience MyMainde, kindly take a set of kit.

This exercise was designed to carry out the calculation in a focused manner, but there is no requirement to complete it fast/quickly.

Procedure to Play using MyMainde kit.

Take three cards

corresponding to two circles.

Using a stopwatch (mobile can be used), measure the total time taken to add the values corresponding to the colour of each box ( total nine boxes).

Note the time it takes to count all the two circles (as shown in the file).

Repeat the same procedure for three circles, four circles, and five circles.

Input the (four) time values in the trained ML algorithm and it will run the ML program and share your focus level within seconds. After receiving your focus level, please close your eyes and meditate. This exercise will boost the focus level and makes the Meditation more effective.