Posts re: machine-learning

• Ultra Low-Spec Machine Learning: Estimating Heart Rate from Accelerometer Data — implementing heart rate estimation using only an accelerometer and fixed-point arithmetic [April 08, 2025]
• The robust universality of exponentially-weighted moving averages — The algorithm that scales from bytes to petabytes [April 05, 2025]
• Fast Vector Magnitude Approximation — Explaining the extreme efficiency of the alpha max plus beta min algorithm [March 26, 2025]
• Generating alt text using AI — Using AI to automatically create accessible image descriptions for Jekyll sites. [March 16, 2025]
• Optimizing Header Images with OpenCV Saliency Detection — Combining Python image processing with CSS to center images. [March 16, 2025]