Obed Macallums

Development, creativity, and technological exploration, one line of code at a time.

Featured

• Point Cloud Registration with Open3D: A Complete Guide

  Published:Dec 29, 2025 |  at 10:00 AM

  A comprehensive guide to point cloud registration using Open3D in Python. Learn about ICP (Iterative Closest Point), global registration with RANSAC and FPFH features, and how to build a complete registration pipeline for 3D data alignment.

• Testing in Python with Pytest: A Complete Guide

  Published:Sep 29, 2025 |  at 12:00 AM

  A comprehensive guide to testing Python applications with Pytest, covering fixtures, parametrization, mocking, async testing, and best practices for building robust test suites.

• Introduction to FastAPI - Modern Python Web Framework

  Published:Aug 14, 2025 |  at 12:00 AM

  A comprehensive introduction to FastAPI, the modern, high-performance Python web framework for building APIs with automatic documentation and type hints.

• Introduction to Streamlit

  Published:Jun 15, 2025 |  at 04:30 PM

  An easy-to-follow introduction to Streamlit for building interactive web applications in Python.

• Introduction to Kubernetes: Orchestrating Containers at Scale

  Published:Apr 30, 2025 |  at 10:00 AM

  An introductory guide to Kubernetes, explaining its core concepts, architecture, use cases, and why it's essential for modern application deployment.

• Understanding the .PLY Point Cloud Format

  Published:Mar 25, 2025 |  at 10:21 AM

  A comprehensive introduction to the .PLY (Polygon File Format) used in 3D scanning and computer graphics, including its structure, benefits, and how to work with PLY files using the open3d and pyntcloud libraries in Python.

• Introduction to OpenCV: A Powerful Library for Computer Vision

  Published:Feb 15, 2025 |  at 10:00 AM

  A comprehensive guide to OpenCV covering its features, installation methods, and applications in computer vision.

• Understanding Docker Basics: A Comprehensive Guide

  Published:Feb 1, 2025 |  at 10:00 AM

  A comprehensive guide to Docker fundamentals, including practical examples and best practices for containerizing applications.

Recent Posts

• Introduction to Hugging Face Transformers

  Published:Jun 1, 2026 |  at 10:30 AM

  A practical introduction to the Hugging Face Transformers library. Learn to use the high-level pipeline API for common NLP tasks, understand tokenizers and models, and run a basic fine-tuning workflow with the Trainer.

• Processing Point Clouds with PDAL

  Published:Jun 1, 2026 |  at 10:00 AM

  A practical introduction to PDAL (Point Data Abstraction Library) for processing LiDAR point clouds. Learn the pipeline model, run filters from the command line and JSON, and integrate PDAL with Python and NumPy.

• Introduction to Django REST Framework: Building Modern APIs in Python

  Published:Apr 22, 2026 |  at 10:00 AM

  Learn how to build powerful, production-ready REST APIs with Django REST Framework. Covers serializers, views, authentication, permissions, pagination, and best practices.

• Gaussian Splatting vs. Traditional Photogrammetry

  Published:Feb 18, 2026 |  at 10:00 AM

  A technical comparison between 3D Gaussian Splatting and traditional photogrammetry. Both techniques reconstruct 3D scenes from photographs, but differ fundamentally in their approach, strengths, and ideal use cases.