Bijay Kumar 
When I first started working with self-supervised learning, I found that standard contrastive methods often relied too heavily on simple data augmentations to create “positive” pairs. I discovered that Nearest Neighbor Contrastive Learning (NNCLR) changes the game by using the nearest neighbor in a support set as a positive sample, which offers much more semantic … Read more >>
Finding similar images is a task I have faced many times while building recommendation engines for e-commerce platforms. Standard classification often falls short when you need to compare how “alike” two distinct objects are. In this tutorial, I will show you how to use TensorFlow Similarity to perform metric learning, allowing your models to learn … Read more >>
I’ve found that standard classification isn’t always enough. Sometimes, you need to know how “close” two images are rather than just labeling them. Metric learning allows us to train a model to map images into a multi-dimensional space where similar items sit close together. This is the secret sauce behind facial recognition and product recommendation … Read more >>
I’ve found that traditional classification often fails when you have thousands of categories but very few images for each. I remember building a facial recognition system for a small tech firm, where we couldn’t possibly retrain the model every time a new employee was hired. That is where Siamese Networks saved my project, as they … Read more >>
I’ve found that one of the most common challenges is comparing two images to see how similar they are. Standard classification models fail here because they require a fixed set of classes, whereas similarity tasks often involve unseen categories. Siamese Networks are the perfect solution for this, especially when you need to verify signatures or … Read more >>
Have you ever found yourself staring at thousands of unsorted product photos or medical images, wondering how to organize them? I remember the first time I faced this challenge during a large-scale project; I tried manual sorting until I realized Keras could do the heavy lifting for me. Semantic image clustering isn’t just about grouping … Read more >>
Over the years, I have managed massive datasets of product images for e-commerce platforms. One of the biggest headaches I faced was dealing with nearly identical images, photos taken from slightly different angles or with different lighting. In this tutorial, I will show you exactly how I solved this using Python Keras to efficiently identify … Read more >>
Handling data efficiently is a core part of my daily routine as a Python developer. Over the last decade, I have found that tuples are one of the most reliable ways to store structured information. Recently, I was working on a project involving US Census data. I needed to organize a large list of cities … Read more >>
I have spent over a decade writing Python code, and if there is one task I perform daily, it is searching for specific text within a larger body of data. Whether I am filtering through US Census Bureau datasets or parsing address strings from a California real estate database, checking for a substring is a … Read more >>
I have constantly found myself needing to extract the extremes from datasets. Whether I was analyzing stock prices on the NYSE or processing census data from California, identifying the maximum and minimum values was always the first step. In this tutorial, I will show you exactly how to find the largest and smallest numbers in … Read more >>
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