RulerNet detects centimeter marks on rulers in natural images and estimates pixel-per-centimeter scale via a learned geometric progression model, outperforming prior OCR-based and frequency-based baselines.
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Reading a Ruler in the Wild
RulerNet detects centimeter marks on rulers in natural images and estimates pixel-per-centimeter scale via a learned geometric progression model, outperforming prior OCR-based and frequency-based baselines.