diff --git a/recognization/code/app.py b/recognization/code/app.py
index 0da33e3..7053f87 100644
--- a/recognization/code/app.py
+++ b/recognization/code/app.py
@@ -24,6 +24,7 @@ import hmac
import json
import logging
import os
+import re
import sys
import threading
import time
@@ -479,6 +480,48 @@ def create_app(
result = _attach_still_tags(result, image)
return result
+ def _is_price_card(crop: Any) -> bool:
+ """Is this detection a shelf price card rather than a product?
+
+ Measured on a supermarket photo whose shelf edge carries big price cards:
+ the detector boxes them as products, because a card is roughly the shape of a
+ pack. Their text gives them away - a price card's characters are 30-44 %
+ digits and it prints the tax-excluded price (本体), while a product's are 3-19 %
+ digits. Reporting a price card as a product would put a box labelled with a
+ product name on a price tag, which is worse than not detecting it.
+ """
+ ocr_engine = getattr(engine, "ocr_engine", None)
+ if ocr_engine is None or not getattr(ocr_engine, "available", lambda: False)():
+ return False
+ try:
+ import cv2
+
+ big = cv2.resize(crop, None, fx=2.0, fy=2.0, interpolation=cv2.INTER_CUBIC)
+ lines = ocr_engine.read(big).lines
+ except Exception:
+ return False
+ text = " ".join(line.text for line in lines)
+ compact = re.sub(r"\s", "", text)
+ if not compact:
+ return False
+ digits = sum(1 for char in compact if char.isdigit() or char in "¥¥./") / len(compact)
+ return ("本体" in text and digits >= 0.20) or digits >= 0.30
+
+ def _drop_price_cards(result: Dict[str, Any], image: Any) -> int:
+ """Remove detections that are price cards, and say how many were removed."""
+ kept, dropped = [], 0
+ for detection in result["detections"]:
+ crop = engine.crop(image, detection["box"])
+ if crop is not None and crop.size and _is_price_card(crop):
+ dropped += 1
+ continue
+ kept.append(detection)
+ if dropped:
+ result["detections"] = kept
+ result["summary"] = engine.summarize(kept, result.get("empty_slots") or [])
+ result["price_cards_dropped"] = dropped
+ return dropped
+
def _attach_still_tags(result: Dict[str, Any], image: Any) -> Dict[str, Any]:
"""Run one synchronous tag pass over a still and merge its evidence."""
ocr_engine = getattr(engine, "ocr_engine", None)
@@ -491,6 +534,9 @@ def create_app(
from reconcile import attach_tags_to_boxes
from tags import TagService, TagSettings
+ # Before anything else: a price card is not a product.
+ _drop_price_cards(result, image)
+
boxes = [
{"id": detection["id"], "box": detection["box"]} for detection in result["detections"]
]
diff --git a/recognization/code/build_store_from_shelf.py b/recognization/code/build_store_from_shelf.py
new file mode 100644
index 0000000..40d66a3
--- /dev/null
+++ b/recognization/code/build_store_from_shelf.py
@@ -0,0 +1,61 @@
+"""
+Enroll a shelf: the products read off its crops become the store's catalog.
+
+This is the onboarding flow a real store would go through once - detect the facings,
+name the products, and keep their crops as the gallery that recognition matches
+against. The two demo shelves were built with it; the product lists live in this file
+because reading a contact sheet is a human step.
+
+ python code/build_store_from_shelf.py
+"""
+import json, os, shutil, sys
+sys.path.insert(0, "code")
+import cv2
+
+ROOT = os.path.expanduser("~/dorayaki-data/shelf-images")
+manifest = json.load(open(os.path.join(ROOT, "manifest.json")))
+entry = next(e for e in manifest["images"] if "Azabudai-Hills" in e["file"])
+image = cv2.imread(os.path.join(ROOT, entry["file"]))
+height, width = image.shape[:2]
+scale = min(1.0, 1600.0 / max(height, width))
+image = cv2.resize(image, (int(width*scale), int(height*scale)), interpolation=cv2.INTER_AREA)
+boxes = json.load(open("/tmp/dorayaki-verify/mediya-boxes.json"))["boxes"]
+
+# read off the numbered contact sheet; prices come from the shelf's own tags
+PRODUCTS = [
+ ("sku_m01", "小岩井 低脂肪牛乳", [9, 23, 31]),
+ ("sku_m02", "荻山酪農 カフェ・オ・レ", [10]),
+ ("sku_m03", "丹那 3.6牛乳", [11]),
+ ("sku_m04", "木次 ミルクコーヒー", [12]),
+ ("sku_m05", "木次 パスチャライズ牛乳", [13]),
+ ("sku_m06", "キスキ ブラウン・スイス牛乳", [14]),
+ ("sku_m07", "丹那 飲んでやさしいヨーグルト", [15]),
+ ("sku_m08", "農場3.7牛乳 特選", [24]),
+ ("sku_m09", "MINOR FIGURES OAT", [26]),
+ ("sku_m10", "北海道 低脂肪乳", [27]),
+ ("sku_m11", "タカナシ 低温殺菌牛乳", [28]),
+ ("sku_m12", "RUDE HEALTH Oat Organic", [29]),
+ ("sku_m13", "小岩井 無脂肪牛乳", [30]),
+ ("sku_m14", "きすき ノンホモ牛乳", [8]),
+]
+PRICES = {"sku_m01": 186, "sku_m02": 397, "sku_m03": 214, "sku_m04": 195, "sku_m05": 240,
+ "sku_m06": 254, "sku_m07": 225, "sku_m08": 216, "sku_m09": 300, "sku_m10": 214,
+ "sku_m11": 396, "sku_m12": 400, "sku_m13": 178, "sku_m14": 198}
+
+store = "stock-mediya"
+shutil.rmtree(store, ignore_errors=True)
+os.makedirs(store, exist_ok=True)
+rows = ["SKU_ID,product_name,receipt_date,expiration_date,number_in,number_out,number_on,image_link,price"]
+for sku, name, indices in PRODUCTS:
+ for position, index in enumerate(indices):
+ box = boxes[index]
+ x1, y1, x2, y2 = [int(v) for v in box]
+ crop = image[max(0,y1):y2, max(0,x1):x2]
+ if crop.size == 0:
+ continue
+ suffix = "" if position == 0 else f"_{position}"
+ cv2.imwrite(os.path.join(store, f"{sku}{suffix}.jpeg"), crop)
+ rows.append(f"{sku},{name},2026-09-25,2026-10-20,24,8,16,'',{PRICES[sku]}")
+open(os.path.join(store, "stock.csv"), "w").write("\n".join(rows) + "\n")
+print(f"{store}: {len(PRODUCTS)} products, "
+ f"{sum(len(i) for _, _, i in PRODUCTS)} views, csv written")
diff --git a/recognization/demo-images/ATTRIBUTION.json b/recognization/demo-images/ATTRIBUTION.json
new file mode 100644
index 0000000..2712674
--- /dev/null
+++ b/recognization/demo-images/ATTRIBUTION.json
@@ -0,0 +1,16 @@
+[
+ {
+ "file": "demo-image-1-mediya-dairy.jpg",
+ "title": "File:Azabudai-Hills---2025-04-05 015.jpg",
+ "license": "CC0",
+ "artist": "RuinDig/Yuki Uchida",
+ "source": "https://commons.wikimedia.org/wiki/File%3AAzabudai-Hills---2025-04-05_015.jpg"
+ },
+ {
+ "file": "demo-image-2-milk-case.jpg",
+ "title": "File:Milk (2655574568).jpg",
+ "license": "CC BY 2.0",
+ "artist": "yumtan",
+ "source": "https://commons.wikimedia.org/wiki/File%3AMilk_%282655574568%29.jpg"
+ }
+]
\ No newline at end of file
diff --git a/recognization/demo-images/README.md b/recognization/demo-images/README.md
new file mode 100644
index 0000000..e5a118d
--- /dev/null
+++ b/recognization/demo-images/README.md
@@ -0,0 +1,63 @@
+# The two demo shelves
+
+Two real store photographs, chosen because they are dense and their products are
+visually distinct, with a store catalog enrolled for each. Both come from Wikimedia
+Commons under licences that allow reuse; `demo-images/ATTRIBUTION.json` records the
+author, licence and source of each.
+
+| | image 1 | image 2 |
+| --- | --- | --- |
+| file | `demo-images/demo-image-1-mediya-dairy.jpg` | `demo-images/demo-image-2-milk-case.jpg` |
+| scene | a MEDIYA dairy case | a supermarket milk case |
+| licence | **CC0** | **CC BY 2.0** |
+| detections | 21 products (13 price cards filtered out) | 56 products |
+| recognised | **16, covering all 14 products** | **49, covering all 13 products** |
+| store | `stock-mediya/` | `stock-milk150/` |
+
+## How to run them
+
+```bash
+cd recognization
+YOLO_OFFLINE=1 .venv/bin/python code/app.py \
+ --port 8090 --identity gallery --live-conf 0.25 \
+ --stock-dir stock-mediya # or stock-milk150
+```
+
+Then POST the image, or open the web client and use **Photo** mode:
+
+```bash
+curl -s -X POST --data-binary @demo-images/demo-image-1-mediya-dairy.jpg \
+ -H 'content-type: image/jpeg' \
+ 'http://127.0.0.1:8090/v1/recognize?classify=true&conf=0.25&tags=true' | python3 -m json.tool | head -30
+```
+
+## What the demo shows
+
+* **Every product on the shelf is boxed and named** - 小岩井 低脂肪牛乳,
+ 荻山酪農 カフェ・オ・レ, 丹那 3.6牛乳, 木次 ミルクコーヒー, 木次 パスチャライズ牛乳,
+ キスキ ブラウン・スイス牛乳, 丹那 飲んでやさしいヨーグルト, 農場3.7牛乳【特選】,
+ MINOR FIGURES OAT, 北海道 低脂肪乳, タカナシ 低温殺菌牛乳, RUDE HEALTH Oat Organic,
+ 小岩井 無脂肪牛乳, きすき ノンホモ牛乳 on the first; 明治 おいしい牛乳, ゆうパック
+ 優良牛乳, 酪農家限定 低温殺菌牛乳, 北海道牛乳, MEGMILK, 毎日牛乳, タカナシ 低温殺菌牛乳,
+ タカナシ 殺菌低脂肪牛乳, 毎日骨太, カルシウム入り低脂肪乳, 無脂肪牛乳, 低脂肪牛乳, ミルク
+ on the second.
+* **Price cards are not boxed as products.** The detector finds them (a card is the
+ shape of a pack); their text gives them away - a card's characters are 30-44 %
+ digits and it prints the tax-excluded price (本体), a product's are 3-19 %. Measured
+ on image 1: 13 cards dropped, 21 products kept.
+* **What it cannot name, it does not invent.** Boxes on the dark shelf strips and on
+ cards come back as "check" (amber), not as a product name.
+
+## The honest caveat, for the demo
+
+Both shelves were **enrolled** - their products were read off the shelf and their
+crops became the store's catalog and its fine-tuned head, which is the product's own
+onboarding flow (a store is enrolled once, then scanned). So the recognition rate
+above is **in-distribution**: it is what the app does on a shelf it has been enrolled
+on, not on a shelf it has never seen. On shelves it has not been enrolled on, the
+measured behaviour is: detection transfers (46 of 54 unseen photos), identity does not
+(off-the-shelf embeddings reach ~25 % top-1 on fine-grained products; see
+`docs/EXTERNAL-EVAL.md`).
+
+The first image is CC0, so it can be used in any recording without attribution; the
+second is CC BY 2.0 and needs the credit in `ATTRIBUTION.json` if it appears on screen.
diff --git a/recognization/demo-images/demo-image-1-mediya-dairy.jpg b/recognization/demo-images/demo-image-1-mediya-dairy.jpg
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diff --git a/recognization/stock-mediya/stock.csv b/recognization/stock-mediya/stock.csv
new file mode 100644
index 0000000..994662d
--- /dev/null
+++ b/recognization/stock-mediya/stock.csv
@@ -0,0 +1,15 @@
+SKU_ID,product_name,receipt_date,expiration_date,number_in,number_out,number_on,image_link,price
+sku_m01,小岩井 低脂肪牛乳,2026-09-25,2026-10-20,24,8,16,'',186
+sku_m02,荻山酪農 カフェ・オ・レ,2026-09-25,2026-10-20,24,8,16,'',397
+sku_m03,丹那 3.6牛乳,2026-09-25,2026-10-20,24,8,16,'',214
+sku_m04,木次 ミルクコーヒー,2026-09-25,2026-10-20,24,8,16,'',195
+sku_m05,木次 パスチャライズ牛乳,2026-09-25,2026-10-20,24,8,16,'',240
+sku_m06,キスキ ブラウン・スイス牛乳,2026-09-25,2026-10-20,24,8,16,'',254
+sku_m07,丹那 飲んでやさしいヨーグルト,2026-09-25,2026-10-20,24,8,16,'',225
+sku_m08,農場3.7牛乳 特選,2026-09-25,2026-10-20,24,8,16,'',216
+sku_m09,MINOR FIGURES OAT,2026-09-25,2026-10-20,24,8,16,'',300
+sku_m10,北海道 低脂肪乳,2026-09-25,2026-10-20,24,8,16,'',214
+sku_m11,タカナシ 低温殺菌牛乳,2026-09-25,2026-10-20,24,8,16,'',396
+sku_m12,RUDE HEALTH Oat Organic,2026-09-25,2026-10-20,24,8,16,'',400
+sku_m13,小岩井 無脂肪牛乳,2026-09-25,2026-10-20,24,8,16,'',178
+sku_m14,きすき ノンホモ牛乳,2026-09-25,2026-10-20,24,8,16,'',198
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diff --git a/recognization/stock-milk150/stock.csv b/recognization/stock-milk150/stock.csv
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--- /dev/null
+++ b/recognization/stock-milk150/stock.csv
@@ -0,0 +1,14 @@
+SKU_ID,product_name,receipt_date,expiration_date,number_in,number_out,number_on,image_link,price
+sku_k01,明治 おいしい牛乳,2026-09-25,2026-10-15,48,20,28,'',198
+sku_k02,ゆうパック 優良牛乳,2026-09-25,2026-10-15,48,20,28,'',130
+sku_k03,酪農家限定 低温殺菌牛乳,2026-09-25,2026-10-15,48,20,28,'',248
+sku_k04,北海道牛乳,2026-09-25,2026-10-15,48,20,28,'',178
+sku_k05,MEGMILK,2026-09-25,2026-10-15,48,20,28,'',158
+sku_k06,毎日牛乳,2026-09-25,2026-10-15,48,20,28,'',168
+sku_k07,タカナシ 低温殺菌牛乳,2026-09-25,2026-10-15,48,20,28,'',258
+sku_k08,タカナシ 殺菌低脂肪牛乳,2026-09-25,2026-10-15,48,20,28,'',198
+sku_k09,毎日骨太,2026-09-25,2026-10-15,48,20,28,'',148
+sku_k10,カルシウム入り低脂肪乳,2026-09-25,2026-10-15,48,20,28,'',145
+sku_k11,無脂肪牛乳,2026-09-25,2026-10-15,48,20,28,'',138
+sku_k12,低脂肪牛乳,2026-09-25,2026-10-15,48,20,28,'',120
+sku_k13,ミルク,2026-09-25,2026-10-15,48,20,28,'',260