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Vipipi/README.md

Chi Feng Chang

@Vipipi · Los Angeles · prev. Yahoo ML


There is so much still undone. Space unexplored. Diseases uncured. Oceans full of our mistakes. Land we poisoned that we haven't healed. Lives — human and animal — cut shorter than they should be. I've been laid off twice. I'm still here. Still trying to help.


I'm an introvert and a dreamer who spent years building ML systems at Yahoo before the world reminded me that survival and purpose don't always move in sync. I believe technology — when built with integrity and empathy — is one of the few levers we actually have. So I keep building.

Right now I'm focused on a deceptively simple idea: quantifying the physical world so computers can reason about it. I've been asking that question since my final year at university, when I built a spatial scanner from scratch using a stepper motor and a time-of-flight sensor. The tools have changed. The question hasn't.


Things I want to exist in the world

  • Space exploration within reach of more people
  • Nuclear-contaminated land restored to life
  • Ocean plastic pulled back out
  • Diseases we call incurable, cured
  • Longer lives — for humans, dogs, and cats
  • Global warming slowed by engineering, not just protest
  • Microplastics removed from bodies and ecosystems
  • Entropy, where possible, reversed

I haven't solved any of these yet. But I think the foundation is spatial intelligence, embodied automation, and tools that help researchers move faster. That's what I'm building toward.


Projects Hightlight

Project What it is
rtsm Real-Time Spatio-Semantic Memory. SigLIP embeddings + spatial indexing + MCP interface. A machine that knows where things are and what they mean.
rtabmap-zmq-bridge Bridging RTAB-Map SLAM to modern messaging. Spatial data streams made composable.
rtsm-arkit-client ARKit iOS client feeding live spatial data. H.264 / NV12 / JPEG encoding.
environmental-scanner My university final project — built from first principles. A stepper motor, a time-of-flight sensor, and the question that's driven everything since: can we teach machines to understand the space around them?

I value integrity and empathy above all else in how we build and who we build for.

@calabi-inc · LinkedIn · Dreams → Code → Reality

Pinned Loading

  1. environmental_scanner environmental_scanner Public

    Python

  2. realsense-recorder realsense-recorder Public

    Python

  3. calabi-inc/rtabmap-zmq-bridge calabi-inc/rtabmap-zmq-bridge Public

    C++

  4. calabi-inc/rtsm calabi-inc/rtsm Public

    Real-Time Spatio-Semantic Memory

    Python 12