https://sudonull.com/perceptual-hash-search-for-similar-images
How perceptual hashing algorithms work: from simple averaging to DCT. Comparison of methods and practical application for developers.
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In this project
https://sudonull.com/audio-visualization-on-leds-perceptual-models-and-mathematics
How mel scale and convolutions solve the pixel poverty problem in audio visualization. Technical details of implementation for embedded systems. Learn the key algorithms.
https://sudonull.com/oklch-in-css-perceptually-accurate-colors-for-design-systems
How OKLCH solves color palette problems on the web. Advantages over HSL, step-by-step migration, use cases. Practical guide for developers.
https://sudonull.com/neural-networks-and-multiplication-swiglu-in-transformers
Breaking down why perceptrons don't multiply and how SwiGLU solves the problem. Formulas, benchmarks, application in LLM. For middle/senior dev.
https://sudonull.com/ebpf-netflow-traffic-monitoring-bare-metal-k8s
Setting up eBPF/XDP for NetFlow statistics: PERCPU_HASH, sharding, timers. Benchmarks and code for middle/senior dev. Master high-performance telemetry collection.
From other projects
https://lrivo.com/sky-sports-commentary-bias-analysis-in-premier-league-match
An examination of perceived bias in commentary during Crystal Palace vs West Ham, focusing on treatment of former Spurs player Brennan Johnson. Read the full analysis.
https://ymaho.com/forest-and-biophilic-design-heal-stress-nature-practices-2026
80% of people perceive nature as an antidepressant. Forest bathing, biophilic design, and park prescriptions are the new stress prevention. Read the trend analysis.
https://ymaho.com/intel-collect-bonds-yield-25-9-and-vdo-market
Intel Collect placed a issue for 1 billion rubles with a coupon of 23.25% and YTM of 25.9%. Demand exceeded supply. Find out why investors are hunting for VDO with a premium to the Central Bank rate of 11 percentage points.
https://lrivo.com/what-is-a-premier-league-bottle-job-definition-examples
Explore the factors that define a football 'bottle job': lead size, timing, fan perception, and iconic moments. Learn why some title collapses become legendary.
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