fix(recognition): calibrate the accept lines against unrelated shelves
Every threshold was fitted on image6, where each crop is a facing of a product the shelf holds, so the set could not price a false accept. Measured on 4580 crops from 64 unrelated Wikimedia shelf photos at the shipped configuration: LOCAL_ACCEPT 2.0 -> 4.0 false accepts 60 (1.31%) -> 3 (0.07%) TEXT_MIN_SHARED 2 -> 4 the two-bigram reads that named sku_l12 via おい/いし On image6 that is 44 shown / 42 correct at full resolution - 95.5% precision, 65.6% coverage - the highest-coverage cell of the joint sweep that passes both G2 (>= 95%) and G3 (<= 1%). At live resolution 56% end-to-end at 97%. The text lane's evidence floor gates its answer only: zeroing the row's score would reorder the ranking and make the margin gate compare a different pair than the one it was measured on. code/sweep_accept_lines.py sweeps both axes jointly through the shipped DecisionPolicy; the earlier table swept one axis while pinning the other, so its baseline rows were not the old line.
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kiyo9w
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12 changed files with 815 additions and 195 deletions
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"dataset": "wikimedia-commons-2",
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"catalog": "stock-lopia-clean",
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"note": "Unrelated shelves: every accept is a false accept by construction.",
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"images": 17,
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"detections": 462,
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"false_accepts": 1,
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"false_accept_rate": 0.0022,
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"config": {
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"frame_long_side": 1280,
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"detect_conf": 0.1,
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"local_accept": 4.0,
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"text_min_shared": 4
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{
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"file": "000_1920px-2011年4月の牛乳_(5588310773).jpg",
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"title": "File:2011年4月の牛乳 (5588310773).jpg",
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"title": "File:HK SW 上環 Sheung Wan 德輔道西 88 Des Voeux Road West shop 惠康超級市場 Wellcome Supermarket goods August 2020 SS2 27.jpg",
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"file": "005_1920px-Illuminated_wooden_shelf_with_many_glass_jars_contain.jpg",
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"title": "File:Illuminated wooden shelf with many glass jars containing cookies for sale in Tokyo.jpg",
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"file": "006_1920px-Interior_of_JUSCO_Shingu_Shopping_Center_20100213c.jpg",
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{
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"title": "File:お客様各位 2008 国内産バター (2429997079).jpg",
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{
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{
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}
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]
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}
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