Remove weights, add six S03 tablet photos and match points by export name

README.md

@@ -33,17 +33,17 @@ protocol is built around label correctness.
 
 | | |
 |---|---|
-| Images | 853 |
+| Images | 859 |
 | Arrangements (distinct kernel layouts) | 150 |
 | Kernels per image | 170 – 800 |
-| Images with point annotations | 28 |
-| Splits | test: 131, train: 722 |
+| Images with point annotations | 193 |
+| Splits | test: 131, train: 728 |
 
 | Session | Species | Lot | Light | Chaff | Cameras | Images | Arrangements | Kernels |
 |---|---|---|---|---|---|---|---|---|
 | S01 | rye-w | rye-w-A | desk | light | Galaxy S23, iPhone 8 | 108 | 27 | 274–787 |
 | S02 | oats-s | oats-s-A | desk | none | Galaxy S23, iPhone 8 | 124 | 31 | 240–798 |
-| S03 | barley-w | barley-w-A | desk | light | Galaxy S23, Galaxy Tab S6 Lite, iPhone 8 | 225 | 28 | 225–733 |
+| S03 | barley-w | barley-w-A | desk | light | Galaxy S23, Galaxy Tab S6 Lite, iPhone 8 | 231 | 28 | 225–733 |
 | S04 | wheat-w | wheat-w-A | desk | light | Galaxy Tab S6 Lite, Pixel 9 | 131 | 33 | 170–800 |
 | S05 | durum-w | durum-w-A | desk | light | Galaxy S23, iPhone 8 | 265 | 31 | 230–782 |
 
@@ -61,8 +61,6 @@ protocol is built around label correctness.
 | `chaff` | `none`, `light` or `heavy`: amount of chaff, awns and broken kernels mixed in. **Never counted.** |
 | `camera` | Camera model from EXIF. |
 | `taken_at` | Capture time from EXIF (camera clock, no time zone). |
-| `weight_g` | Mass of the counted kernels in grams, only where they were weighed; else empty. |
-| `tkw_g` | `weight_g ÷ count × 1000`, where `weight_g` exists. |
 | `raw_file` | Path of the original raw file in this repo (`raw/…`) if the photo was shot as DNG; else empty. |
 | `kernel_points` | `[x, y]` of every counted kernel, see *Point annotations*; null if the photo is not annotated. |
 | `broken_points` | `[x, y]` of broken kernels (not counted); null if not annotated. |
@@ -89,7 +87,6 @@ deliberately contain them as noise (`chaff` = `light` or `heavy`). They are neve
 - White A4 sheet on a dark or high-contrast background
 - Cups for the kernels, each holding a verified 50 kernels
 - Printed session cards and special cards (REDO, INVALIDATE) from the planning script
-- Optional: a gram scale
 
 ### Procedure
 
@@ -106,9 +103,7 @@ states the new total and what to add or remove (`add 17`, `remove 12`, `add 1 cu
 4. Spread the kernels on the sheet so that no piles remain; touching is fine.
 5. Photograph the layout twice per phone, with the whole A4 sheet in frame:
    first roughly top-down, then tilted or from another distance.
-6. **If the kernels are weighed:** photograph the scale display, filling the frame,
-   straight on.
-7. Next card.
+6. Next card.
 
 If something goes wrong within a card, a *REDO* card is photographed, the pile is fixed to
 the number on the current card, and the card and the layout are photographed again.
@@ -126,11 +121,12 @@ the table above) and backgrounds (table, mat, tray, floor).
   2026-10-02.
 - **S03:** winter barley (`barley-w-A`), light chaff, desk light; Galaxy S23 (shot as DNG),
   iPhone 8 and Galaxy Tab S6 Lite; shot over three days, 2026-09-16 to 09-21.
-  The only weighed session.
 - **S04:** winter soft wheat (`wheat-w-A`), light chaff, desk light; Pixel 9 and Galaxy Tab
   S6 Lite; 2026-10-15. Test data. The tablet missed or misdated the photos of cards 0, 3, 8,
   14 and 15; its photos of those layouts were placed on the card by hand and checked
   against the Pixel photos.
+- **S05:** winter durum wheat (`durum-w-A`), light chaff, desk light; Galaxy S23 (shot as
+  DNG) and iPhone 8; 2026-10-15.
 
 ### Labelling
 
@@ -140,7 +136,7 @@ whose chain breaks (a skipped or unread card) stays *suspect* until the next CHE
 groups before an INVALIDATE are *invalidated*. **Only groups whose chain validated are in
 this dataset**, after a review of every group by eye. 
 
-Card photos and scale photos are not included.
+Card photos are not included.
 
 ## Splitting