Blog
Blog
Notes on calibration, error budgets and HMI architecture.
- 012 min read
A small residual and a wrong calibration
Why "residual 0.02 px" does not mean your calibration is right, and how a held-out set exposes it.
- 022 min read
The minus sign in hand-eye calibration
Image v points down, world Y points away. Those are opposite, so the transform carries a mirror. Miss it and the calibration still converges — with Y globally inverted.