From One Test Set to a Slice Test Bench
Explain why a fairness-aware test bench must cover operational slices, not only a convenient aggregate test set.
The mobile check-deposit OCR model looks strong in the lab but weak in predictable real-world conditions. What does the better test setup change? A realistic engineering desk in a clean software office, one engineer looking at a single large blurred success chart on a monitor, a neat stack of identical sample check photos beside a phone, empty wall space for overlay, no text, words, letters, numerals, logos. Before: the OCR release review uses one aggregate lab test set with mostly clean check images from similar phones. The screen shows a single success result and no visible slice review. Before: one…
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