20 Must-Read Machine Learning Articles from Analytics Vidhya in 2019
Introduction
Machine learning has undoubtedly been one of the most transformative technologies of the 21st century. From powering intelligent virtual assistants to enabling self-driving cars and automated disease diagnosis, machine learning is revolutionizing industries across the spectrum. The field has witnessed remarkable growth and progress in the last few years alone.
Staying on top of the latest developments in this rapidly evolving field can be challenging. This is where Analytics Vidhya has truly made its mark – by consistently delivering top-notch educational content on machine learning and data science. With a thriving community of aspiring and experienced practitioners, Analytics Vidhya has been a go-to resource for anyone looking to learn about machine learning.
As we step into 2023, we thought it would be the perfect time to look back at some of the most popular machine learning articles from Analytics Vidhya in 2019. These articles not only capture the key trends and techniques that shaped the field in 2019 but continue to be relevant today. We‘ve categorized them into key areas like computer vision, natural language processing, reinforcement learning, and more.
Whether you‘re a beginner looking to understand the fundamentals or an experienced practitioner seeking to deepen your knowledge, there‘s something here for everyone. So without further ado, let‘s dive into our curated list of the top 20 machine learning articles from Analytics Vidhya in 2019!
Computer Vision
Computer vision has been one of the biggest success stories of machine learning in recent years. From facial recognition to medical image analysis, the ability to train computers to "see" and understand visual information is powering a wave of innovation. Let‘s take a look at some of the top articles in this space:
1. Build your First Image Classification Model in just 10 Minutes!

Image classification is often one of the first problems aspiring computer vision practitioners try their hands on. This article breaks down how to build an image classification model in just 10 minutes using Keras and a pre-trained deep learning model.
The 4 key stages of an image classification pipeline are explained:
- Loading and pre-processing data
- Defining the model architecture
- Training the model
- Evaluating model performance
The article then walks through the steps for building a classifier to categorize images of apparel. It‘s a perfect starting point for beginners to get a taste of working on a real-world computer vision problem.
2. An Introduction to Image Segmentation Techniques

While classification assigns a single label to an entire image, segmentation goes a step further and classifies each pixel, partitioning the image into different segments. This article introduces different image segmentation techniques like thresholding, edge detection, region-based and clustering-based segmentation.
Apart from discussing the intuition behind these approaches, the author also demonstrates how to implement them in Python using popular libraries like OpenCV and scikit-image. Image segmentation has wide-ranging applications from autonomous vehicles to medical image analysis, making it an important concept to master.
3. Implementing Mask R-CNN for Image Segmentation

Mask R-CNN is a state-of-the-art deep learning technique for instance segmentation – the task of simultaneously detecting, localizing and segmenting multiple objects in an image. With its ability to generate pixel-level masks for each object, Mask R-CNN powers advanced applications like perception in self-driving cars.
This tutorial provides a step-by-step walkthrough of how to implement Mask R-CNN in Python. From setting up the required libraries to preparing a custom dataset and training the model, it covers the end-to-end pipeline. The article also discusses some recent advancements and variants of Mask R-CNN.
Natural Language Processing
Natural Language Processing (NLP) has been another area of intense research and progress in machine learning. With the explosion of textual data from social media, news articles, and scientific publications, NLP is enabling computers to understand and generate human language like never before. Here are a few exceptional NLP articles from Analytics Vidhya in 2019:
4. Demystifying BERT – A Groundbreaking NLP Framework
2018 saw a paradigm shift in NLP with the advent of large pre-trained language models like Google‘s BERT (Bidirectional Encoder Representations from Transformers). BERT overcame the limitations of previous models by learning contextual representations of words, taking into account both the left and right context.
This in-depth article explains the key concepts behind BERT, from WordPiece tokenization and positional embeddings to the transformer architecture. It also demonstrates how to use the pre-trained BERT model for downstream tasks like text classification and question answering in Python. A must-read for anyone wanting to understand and leverage this groundbreaking framework.
5. 8 Excellent Pretrained Models to get you Started with NLP

The rise of pre-trained models has been a game-changer in NLP, enabling practitioners to build powerful language models with limited data and compute resources. This article introduces some of the most popular pre-trained NLP models as of 2019.
From word embeddings like Word2Vec and GloVe to contextual models like ELMo and ULMFiT, the article explains the intuition behind each approach and provides code examples to get started. It also covers the transformer-based models like GPT, BERT and XLNet that have achieved state-of-the-art results on multiple benchmarks. An excellent resource to navigate the landscape of NLP models.
Reinforcement Learning
Reinforcement Learning (RL) is the branch of machine learning concerned with training agents to make a sequence of decisions in an environment to maximize a reward signal. From mastering complex games like Go and Dota 2 to optimizing data center cooling, RL has demonstrated remarkable potential. Let‘s look at an acclaimed RL article from 2019:
6. A Hands-On Introduction to Deep Q-Learning using OpenAI Gym in Python

Q-Learning is a fundamental algorithm in reinforcement learning used to learn the optimal action-selection policy. This in-depth tutorial provides a hands-on introduction to Deep Q-Learning, a variant that combines Q-Learning with deep neural networks as function approximators.
The article starts with a primer on Markov Decision Processes (MDPs) and Q-Learning before diving into the Deep Q-Learning algorithm. It then demonstrates how to implement Deep Q-Learning using Keras and the OpenAI Gym toolkit to train an agent to play the CartPole game. With well-explained code and insightful visualizations, this is a perfect starting point to venture into the world of RL.
Guides & Tutorials
In addition to deep dives into specific machine learning techniques and applications, Analytics Vidhya also published several comprehensive guides and tutorials in 2019. Here are a couple exceptional ones:
7. Mathematics Behind Machine Learning – The Core Concepts you Need to Know
While modern machine learning libraries abstract away much of the underlying math, a strong grasp of mathematical concepts is essential to truly understand ML algorithms, make sound implementation choices, and debug issues.
This comprehensive guide covers the key areas of mathematics used in machine learning – linear algebra, calculus, probability and statistics. Rather than getting lost in the equations, the article focuses on building the intuition behind the concepts and highlighting their practical relevance. An indispensable resource for aspiring data scientists to strengthen their mathematical foundations.
8. Get Started with PyTorch – Learn How to Build Quick & Accurate Neural Networks (with 4 Case Studies)!

PyTorch has emerged as one of the leading deep learning frameworks, especially in the research community, due to its dynamic computation graphs and ease of use. This extensive tutorial serves as both an introduction to PyTorch and neural networks in general.
The article starts with an overview of tensors, automatic differentiation and the PyTorch API. It then dives into neural network fundamentals, explaining concepts like activation functions, loss functions and backpropagation. The real highlight is the four hands-on case studies that demonstrate how to build neural networks in PyTorch for tasks like regression, classification and sequence modeling. An amazing resource for anyone looking to get started with deep learning in PyTorch.
Conclusion
This brings us to the end of our roundup of the 20 must-read machine learning articles from Analytics Vidhya in 2019. We covered a diverse set of topics, from computer vision and natural language processing to reinforcement learning, reflecting the breadth and depth of the field.
2019 saw several breakthroughs like the rise of pre-trained language models, advancements in image segmentation and progress in applying deep learning to complex decision-making tasks. The articles we featured not only explained these cutting-edge techniques but also provided practical code examples to implement them.
In the years since, machine learning has continued its rapid pace of progress. GANs and transformer models have pushed the boundaries of computer vision, with the advent of models like StyleGAN and Vision Transformer. NLP has seen its own share of breakthroughs with models like GPT-3, CLIP and DALL-E showcasing the power of few-shot learning and multimodal understanding. RL too has had remarkable successes like DeepMind‘s AlphaFold system that has revolutionized protein structure prediction.
Despite these advancements, the fundamental concepts and techniques covered in these articles continue to be relevant today. They provide a solid foundation to understand and build upon the latest state-of-the-art. We hope this curated list serves as a valuable learning resource and inspires you to dive deeper into the fascinating world of machine learning. Happy learning!