Richard Djarbeng's Technical Posts
(135) Posts
Roboface-an Interactive Face Animation Tracker
I want you to imagine a character that tracks your mouse and expresses emotions based on how you interact with it. Emotions range from happy, surprised, bored, or neutral. The...
Trying Out Difix by NVIDIA for Image Restoration
In this post I discuss Difix, NVIDIAās single-step image diffusion model available on Hugging Face. It is designed for enhancing and restoring images, especially those with artifacts or blurriness. First...
Agentic Object Detection and Document Extraction with Landing.ai
This week, I dive into agentic object detection and document extraction using tools from Landing.ai, one of Andrew Ngās innovative startups! Inspired by Andrew Ngās recent post on X about...
What's Hot Right Now? Find Out with Google Trends!
Ever wonder what people are searching for onlineālike the latest gadgets, hot topics, or even local events? Google Trends is a free, easy-to-use tool that shows you whatās trending on...
How to Check Your Website's Performance: A Case Study on Lusion.co
Recently, my friend Nathaniel Nyakotey checked out the visually stunning website at lusion.co. With its sleek graphics, intricate animations, and immersive WebGL interactions, Nathaniel estimated it would consume around 300MB...
What is Particulate Matter (PM2.5) and the Environmental Significance
Particulate Matter (PM) comprises a diverse mix of solid and liquid particles suspended in the atmosphere, varying in size, chemical composition, and origin (U.S. Environmental Protection Agency [EPA], 2023). Among...
Chirp: Transmitting Data Through Sound
In the ever-evolving world of data transfer, a project called Chirp caught my attention on GitHub. Developed by solst-ice, Chirp enables users to send and receive data using sound waves,...
OpenCut: A Free, Open-Source Alternative to CapCut
Update (March 2026): The OpenCut project has officially entered beta! You can now try the beta version for yourself directly in the browser. If youāre a video editor frustrated with...
From the Norrsken Hub in Kigali, A Look at the Deals Shaping Africa's Future
Africaās technology ecosystem is moving forward in 2025, as startups secure big investments and join forces to make a bigger impact. From mobile apps for money transfers to solar power...
How to Recover an Unsaved PowerPoint Presentation After Closing
How to Recover an Unsaved PowerPoint Presentation After Hitting āDonāt Saveā Accidentally clicked āDonāt Saveā on your PowerPoint presentation? Donāt panic! PowerPointās built-in AutoRecover feature can help you retrieve your...
Understanding the Trend in Published Papers
In scientific research, the journey from a novel idea to a widely accepted standard is an iterative process. Diagrams often outline this lifecycle, from initial papers to standardization and public...
This Week in Air Quality Research: Novel Insights and Sensor Advances (23-June-2025)
I have been keeping up with air quality research to understand emerging risks, technological advances, and policy implications. This week Iām spotlighting literature that highlights the increasing role of low-cost...