docs: add wiki, .env.example, and fix stale if-curator references

- Add docs/setup.md, docs/troubleshooting.md, docs/faq.md as user-facing wiki
- Add .env.example with all env vars and inline comments
- Fix compose.override.yml: rename service if-curator → winnow, update volume paths
- Fix CHANGELOG.md: rename if-curator → winnow in release notes
- Link docs from README

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-06-12 01:26:24 +00:00
co-authored by Claude Sonnet 4.6
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commit b7dc87b05b
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# ── Required ──────────────────────────────────────────────────────────────────
IMMICH_URL=http://192.168.1.10:2283
API_KEY=your-immich-api-key
FRIGATE_URL=http://192.168.1.10:5000
# ── Mode & Strategy ───────────────────────────────────────────────────────────
AUTO_MODE=true
# TRAINING_MODE: face = upload to Frigate face recognition API
# object = save crops to output dir for manual Frigate placement
TRAINING_MODE=face
# STRATEGY: auto = objective diversity (recommended), standard = 30 imgs, broad = 100 imgs
STRATEGY=auto
# LIMIT=50 # Custom image count; overrides STRATEGY preset
# OBJECT_CLASS=dog # Object label for object mode (e.g. dog, cat, car)
# ── People Filtering ──────────────────────────────────────────────────────────
# ONLY_PEOPLE=John,Jane # Comma-separated; process only these people
# SKIP_PEOPLE=Unknown # Comma-separated; skip these people
# MIN_FACE_COUNT=5 # Skip people with fewer than N assets in Immich
# YEARS_FILTER=10 # Only include images from the last N years (default: 10)
# ── Image Quality ─────────────────────────────────────────────────────────────
# MIN_FACE_WIDTH=50 # Minimum face width in pixels (default: 50)
# FACE_MARGIN=0.15 # Padding around face crop as fraction (default: 0.15)
# ENABLE_FACE_ALIGNMENT=true # Align face before cropping (default: true)
# USE_FULL_RESOLUTION=true # Use full-res images vs thumbnails (default: true)
# MIN_CONFIDENCE=0.7 # Minimum face detection confidence (default: 0.7)
# BLUR_THRESHOLD=100.0 # Laplacian blur threshold; lower = accept more blur (default: 100.0)
# MAX_AUTO_IMAGES=80 # Hard cap on auto-diversity selection (default: 80)
# ── Caching & Models ──────────────────────────────────────────────────────────
FORCE_CPU=false
ENABLE_CACHE=true
CACHE_DIR=/app/.if_cache
HF_HOME=/models/huggingface
INSIGHTFACE_HOME=/models
# ── Tracker overrides (one-shot — remove after use) ───────────────────────────
# DRY_RUN=true # Preview selection without downloading/uploading
# RETRY_REJECTED=true # Re-attempt previously rejected images
# RESET_PERSON=John # Clear uploaded+rejected history for one person
# ── Scheduling ────────────────────────────────────────────────────────────────
# Cron expression (unset = run once and exit)
CRON_SCHEDULE=0 3 * * 0 # Every Sunday at 3 AM
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## [0.1.0] - 2026-03-03
### Added
- Initial release of `if-curator` — Immich to Frigate training set curator
- Initial release of `winnow` — Immich to Frigate training set curator
- **Face recognition prep**: InsightFace (ArcFace/Buffalo_L) embeddings on face crops for Frigate face recognition training
- **Object/state classification prep**: SigLIP (Vision Transformer) embeddings with YOLOv9c object detection
- **Smart diversity selection**: K-Medoids clustering + Farthest Point Sampling (FPS) with hard-example weighting
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[![Publish Docker Image](https://github.com/sudolulo/winnow/actions/workflows/docker-publish.yml/badge.svg)](https://github.com/sudolulo/winnow/actions/workflows/docker-publish.yml) [![Release](https://github.com/sudolulo/winnow/actions/workflows/release.yml/badge.svg)](https://github.com/sudolulo/winnow/actions/workflows/release.yml) [![Lint](https://github.com/sudolulo/winnow/actions/workflows/lint.yml/badge.svg)](https://github.com/sudolulo/winnow/actions/workflows/lint.yml) [![Test](https://github.com/sudolulo/winnow/actions/workflows/test.yml/badge.svg)](https://github.com/sudolulo/winnow/actions/workflows/test.yml)
**Docs:** [Setup Guide](docs/setup.md) · [Troubleshooting](docs/troubleshooting.md) · [FAQ](docs/faq.md)
# winnow
`winnow` pulls photos of people and objects from your [Immich](https://immich.app) library, selects the most diverse and highest-quality subset using AI embeddings, and delivers them as training data for [Frigate](https://frigate.video)'s face recognition and object classification models.
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services:
if-curator:
winnow:
build: .
network_mode: host
volumes:
- /code/if-curator/models:/models
- /code/if-curator/embeddings:/app/.if_cache
- /code/if-curator/output:/app/output
- /code/winnow/models:/models
- /code/winnow/embeddings:/app/.if_cache
- /code/winnow/output:/app/frigate_train
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# FAQ
## Does winnow modify my Immich library?
No. winnow only reads from Immich (assets, people, face bounding boxes). It never writes back to Immich or deletes anything.
---
## How many images should I upload to Frigate?
The `auto` strategy decides this for you — it keeps selecting until adding more images would be redundant. In practice this is usually 20–60 per person. You can cap it with `MAX_AUTO_IMAGES` (default 80).
Quality and diversity matter far more than volume. 30 well-spread images outperform 200 from the same week.
---
## What's the difference between face mode and object mode?
- **Face mode**: Extracts and aligns face crops, uploads them directly to Frigate's face training API. This is for teaching Frigate to recognize specific people.
- **Object mode**: Runs YOLO detection on full images and saves crops of a target class (dog, cat, car, etc.) to disk. Frigate has no API for object training data, so you place them manually.
---
## Can I run it without Frigate?
Yes — in object mode, `FRIGATE_URL` is not used and crops are saved to the output volume. In face mode you need Frigate to receive the uploads, but you can use `DRY_RUN=true` to preview selection without uploading.
---
## How does auto-diversity mode work?
winnow computes a vector embedding for each candidate image (what the face/object actually looks like — angle, lighting, expression). It then clusters those embeddings and picks representatives that are maximally spread across the embedding space. It stops when the next-most-different image is already close to something already selected. See the README for the full pipeline.
---
## Does it support multiple people in one run?
Yes. By default it processes every named person in your Immich library. Use `ONLY_PEOPLE` to whitelist specific names or `SKIP_PEOPLE` to exclude them.
---
## What GPU is needed?
Any NVIDIA GPU with CUDA 12.x support. The models (InsightFace Buffalo_L + SigLIP) fit comfortably in 4 GB VRAM. CPU mode works but is significantly slower.
ARM builds (linux/arm64) use CPU-only — CUDA is not available on ARM.
---
## Does it work on Unraid / Proxmox / bare Docker?
Yes — the `compose.yml` uses standard Docker volume mounts. The TrueNAS paths in the example (`/mnt/<pool>/...`) are just an example; replace them with whatever paths suit your setup.
---
## How do I update winnow?
```bash
docker compose pull
docker compose up -d
```
The `latest` tag on GHCR tracks the `main` branch. Pinning to a version tag (e.g. `ghcr.io/sudolulo/winnow:v0.2.0`) is recommended for stability.
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# Setup Guide
## Prerequisites
- [Immich](https://immich.app) v1.106+ with face recognition enabled and people tagged
- [Frigate](https://frigate.video) v0.16+ (face mode only)
- Docker with the NVIDIA container toolkit (optional but strongly recommended)
---
## 1. Get your Immich API key
1. Open Immich → **Account Settings** → **API Keys**
2. Click **New API Key**, give it a name (e.g. `winnow`), copy the key
---
## 2. Get your Frigate URL
This is the base URL of your Frigate instance, e.g. `http://192.168.1.10:5000`. Only needed for face mode — omit it entirely if you're using object mode.
---
## 3. Deploy with Docker Compose
Copy [`compose.yml`](../compose.yml) and [`.env.example`](../.env.example) to a directory on your host:
```bash
mkdir winnow && cd winnow
curl -O https://raw.githubusercontent.com/sudolulo/winnow/main/compose.yml
curl -O https://raw.githubusercontent.com/sudolulo/winnow/main/.env.example
cp .env.example .env
```
Edit `.env` with your values:
```bash
IMMICH_URL=http://192.168.1.10:2283
API_KEY=your-immich-api-key
FRIGATE_URL=http://192.168.1.10:5000
```
Edit the volume paths in `compose.yml` to match your storage layout (replace `/mnt/<pool>` with your actual path).
Start it:
```bash
docker compose up -d
```
Logs:
```bash
docker compose logs -f winnow
```
---
## 4. First run
On the first run, winnow downloads the embedding models (~1–2 GB) from HuggingFace and InsightFace. This happens once — subsequent runs use the cached models from your mounted volume and start immediately.
---
## 5. Scheduling
Set `CRON_SCHEDULE` in your `.env` to keep winnow running on a schedule:
```
CRON_SCHEDULE=0 3 * * 0 # Every Sunday at 3 AM
```
Without `CRON_SCHEDULE`, the container runs once and exits.
---
## TrueNAS Scale
The included `compose.yml` uses TrueNAS-style volume paths. Replace `<pool>` with your pool name:
```yaml
volumes:
- /mnt/tank/winnow/models:/models
- /mnt/tank/winnow/embeddings:/app/.if_cache
- /mnt/tank/winnow/output:/app/frigate_train
```
GPU passthrough on TrueNAS requires the NVIDIA app to be installed from the TrueNAS catalog and the `deploy.resources.reservations.devices` block in `compose.yml` (already included).
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# Troubleshooting
## Container exits immediately
Check logs:
```bash
docker compose logs winnow
```
Common causes:
- **Missing required env var** — `IMMICH_URL` or `API_KEY` not set
- **Cannot reach Immich** — check the URL and that Immich is running; use `http://` not `https://` unless you have TLS set up
---
## "No people found" / nothing processed
- Make sure Immich has completed face recognition and you have named people in your library
- `YEARS_FILTER` defaults to 10 years — increase it if your tagged photos are older
- `MIN_FACE_COUNT` skips people with few photos — lower or remove it
---
## Frigate upload fails
- Confirm `FRIGATE_URL` is reachable from inside the container: `docker exec winnow curl $FRIGATE_URL/api/stats`
- Check Frigate v0.16+ — older versions don't have the face training API
- Set `DRY_RUN=true` to verify selection without uploading
---
## Models fail to download
winnow downloads InsightFace and HuggingFace (SigLIP) models on first run.
- Ensure the container has internet access
- Confirm the model volume is mounted and writable
- If behind a proxy, set `HTTP_PROXY` / `HTTPS_PROXY` env vars
---
## Running on CPU (no GPU)
Set `FORCE_CPU=true`. Everything works but embedding computation is slower — expect several minutes per person instead of seconds.
If you have a GPU but it's not being used:
- Confirm the NVIDIA container toolkit is installed: `docker run --rm --gpus all nvidia/cuda:12.9.2-base-ubuntu22.04 nvidia-smi`
- Confirm the `deploy.resources.reservations.devices` block is present in `compose.yml`
---
## Same images uploaded every run
The upload tracker is stored in `CACHE_DIR` (`/app/.if_cache` by default). If this volume isn't persisted between runs, the tracker resets and images are re-uploaded.
Make sure `/app/.if_cache` is mounted to a persistent host path.
---
## Re-uploading a specific person
To clear the upload history for one person and start fresh:
```env
RESET_PERSON=John
```
Remove this after one run — it clears the history and then processes normally.
---
## Image quality issues
- **Too blurry**: Lower `BLUR_THRESHOLD` (default 100) — e.g. `50` accepts more blur
- **Face too small**: Lower `MIN_FACE_WIDTH` (default 50px)
- **Low confidence detections included**: Raise `MIN_CONFIDENCE` (default 0.7)
- **Rejected images being re-tried**: Set `RETRY_REJECTED=true` for one run