Train frozen-encoder baseline with stool/not-stool and Type 1–7 heads #30

New Issue

timmy · 2026-08-19T01:59:01Z

timmy commented

2026-08-19 01:59:01 +00:00

Parent epic: #4

Outcome

Establish a cheap discriminative baseline before full fine-tuning.

Acceptance criteria

Training config and checkpoint provenance are committed without private images.
Hard negatives and unknown class are included.
Results run through the authoritative evaluation harness.

Dependencies

#28 — Run the 100-image real-world reality check and issue go/hold verdict
#29 — Build contributor-held-out evaluation harness and calibration report

Required evidence

Test or executable receipt attached to the issue/PR
Privacy/safety boundary checked where applicable
Clean checkout and relevant full suite pass

Delivery

Open a focused branch and PR with Closes #ISSUE. Do not include real medical images in issue comments or Git history.

Parent epic: #4 ## Outcome Establish a cheap discriminative baseline before full fine-tuning. ## Acceptance criteria - [ ] Training config and checkpoint provenance are committed without private images. - [ ] Hard negatives and unknown class are included. - [ ] Results run through the authoritative evaluation harness. ## Dependencies - #28 — Run the 100-image real-world reality check and issue go/hold verdict - #29 — Build contributor-held-out evaluation harness and calibration report ## Required evidence - Test or executable receipt attached to the issue/PR - Privacy/safety boundary checked where applicable - Clean checkout and relevant full suite pass ## Delivery Open a focused branch and PR with `Closes #ISSUE`. Do not include real medical images in issue comments or Git history.

timmy added this to the M2 — Consented Dataset & Specialist Model milestone 2026-08-19 01:59:01 +00:00

timmy added the

type/research

priority/P1

area/model

labels 2026-08-19 01:59:01 +00:00

timmy referenced this issue

2026-08-19 01:59:01 +00:00

Fine-tune specialist visual classifier with color and quality heads #31

timmy referenced this issue

2026-08-19 01:59:03 +00:00

EPIC: Specialist Bristol classifier & calibration #4