Add weights section

README.md

@@ -30,6 +30,16 @@ All archives unpack into `Canopy_height_data/` and include `stats/` (per-channel
 
 International sites: MRF = Mount Richmond Forest (New Zealand), EBR = Entlebuch Biosphere Reserve (Switzerland), SER = Sepilok and Danum Valley (Malaysia), SPC = São Paulo (Brazil), MUR = Middle Usumacinta (Mexico).
 
+## Weights
+
+`weights/`: trained models for [chm-tool](https://github.com/Link-dev/chm-tool).
+
+| Folder | Files |
+|---|---|
+| `source/` | `UNet-ALS.pth` (input AE), `UNet-A-ALS.pth`, `UNet-E-ALS.pth`, `UNet-T-ALS.pth`, `UNet-TE-ALS.pth` |
+| `NEON/` | `UNet-SLS.pth`, `RF-SLS.joblib` |
+| `MRF/`, `EBR/`, `SER/`, `SPC/`, `MUR/` | `UNet-SLS.pth`, `RF-SLS.joblib`, `KG-UNet1.pth`, `KG-UNet2.pth` |
+
 ## Files
 
 `neon_test/`: chips are ordered by site: ABBY (18), BART (30), HARV (61), LENO (25), MLBS (36), NIWO (28), SCBI (25), SJER (25), SRER (37), TALL (30), TEAK (46), WREF (43). The site-year is 2019, except NIWO (2020) and MLBS (2021).
@@ -106,4 +116,4 @@ Biome codes in `chip_index.csv`: TRF = temperate rain forest, TSF = temperate se
 
 ## Licence
 
-CC BY 4.0, except the three `intl_test/SPC_stack/SPC_chm_*` files, which are derived from the GPL-3.0 São Paulo lidar survey and are released under GPL-3.0-only. See `LICENSE` and `LICENSE-GPL-3.0.txt`.
+CC BY 4.0, except the three `intl_test/SPC_stack/SPC_chm_*` files, which are derived from the GPL-3.0 São Paulo lidar survey and are released under GPL-3.0-only. See `LICENSE` and `LICENSE-GPL-3.0.txt`. The weights in `weights/` are released under the MIT licence.