Split waveplate and spectral dataset configs

README.md

@@ -11,11 +11,13 @@ tags:
 task_categories:
 - image-to-image
 configs:
-- config_name: external_tests
+- config_name: external_waveplate
   default: true
   data_files:
   - split: external_waveplate
     path: data/external_waveplate-*.parquet
+- config_name: external_spectral
+  data_files:
   - split: external_spectral_610
     path: data/external_spectral_610-*.parquet
   - split: external_spectral_650
@@ -32,8 +34,9 @@ TODO: Describe MMPD-Bench, the scientific motivation, and the intended benchmark
 use. Mention that the dataset contains paired Mueller matrix observations and
 Lu-Chipman reference decomposition outputs.
 
-Current pilot upload: external test splits only (`external_waveplate`,
-`external_spectral_610`, `external_spectral_650`, and `external_spectral_690`).
+Current pilot upload: external test splits only. Use config `external_waveplate`
+for the 633 nm waveplate split and config `external_spectral` for the
+610/650/690 nm spectral splits.
 
 ## Task Definition