Zero errors in testing: how many parts make a defensible validation sample?
Plan sample sizes, calculate confidence bounds and count independent test parts correctly.
Validation
RobuTrace Insights
Better vision engineering starts with better questions.
Practical articles on robustness, sensitivity, KPI logic, test strategy and traceable technical decisions.
All articles
System design
Calculate camera resolution from field of view and the smallest feature
A traceable calculation with optical limits and a worked example.
Robustness
Why good laboratory results do not prove production readiness
Five typical gaps between a demo, an engineering iteration and the production line.
KPI practice
Using false accepts and false rejects correctly in engineering
Why a single accuracy value is not enough for industrial decisions.
Test strategy
Test disturbance factors systematically instead of trying them at random
A pragmatic introduction to perturbation, sensitivity and worst-case analysis.