Dense Slides: Evals 101 — Doug Guthrie, Braintrust
Source Video
Evals 101 — Doug Guthrie, Braintrust
Method
This deck is slide-only. The existing captured video frame set supplies candidate frames, then local OpenCV rejects sponsor/title/speaker-only frames, crops visible slide surfaces, deduplicates, and saves the cropped slide images.
Cropped Visible Slides

- Recreated text/layout view: open HTML recreation
- AI slide classifier:
content_slideconfidence0.95 - Text source: advanced OCR
rapidocr-live/bright-screen/contrast. - OCR decision: ready — Dense product UI screenshot with many small labels, table columns, and sidebar items.
Slide text:
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AIE Overview
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Fronges
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PpaTeut
010
braintrust
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aws
Classification audit: raw/sources/slide-ai-classification/dense/bk0TmxoZlUY/audit.json