update readme file

README.md

@@ -12,7 +12,7 @@ tags:
 
 ## Dataset Summary
 
-This dataset provides binary segmentation maps (4096×4096 resolution) derived from Solar Dynamics Observatory (SDO) magnetograms. The maps highlight regions containing Active Regions (ARs) and Polarity Inversion Lines (PILs). The data spans observations from January 2011 to July 2024 and is intended for image segmentation tasks using full-disk 4096×4096 magnetogram rasters as input.
+This dataset provides binary segmentation maps (4096×4096 resolution) derived from Solar Dynamics Observatory (SDO) magnetograms. The maps highlight regions containing Active Regions (ARs) and Polarity Inversion Lines (PILs). The data spans observations from May 2010 to July 2024 and is intended for image segmentation tasks using full-disk 4096×4096 magnetogram rasters as input.
 
 ## Supported Tasks and Applications
 - `segmentation`: Binary segmentation of solar magnetograms to identify ARs with embedded PILs.
@@ -21,16 +21,10 @@ This dataset provides binary segmentation maps (4096×4096 resolution) derived f
 
 ### Data Files
 
-- `train.csv`: Input list for 2011 data
-- `val.csv`: Input list for 2012 data
-- `test.csv`: Input list for 2013 data
-- `ar_binary_masks.tar.gz`: Binary segmentation maps from 2011 to 2024
-
-To create other train, validation, and test set, use these files
-- `ar_2011.csv`: Data for 2011
-- `ar_2012.csv`: Data for 2012
-- ...
-- `ar_2024.csv`: Data for 20124
+- `train.csv`: Data from weeks 7–52 of each year (2010–2019, day index `[42:-1]`)
+- `val.csv`: Data from weeks 3–4 of each year (2010–2019, day index `[14:28]`)
+- `test.csv`: Data from weeks 1–52 of each year (2020–2024, day index `[:]`)
+- `val_data_leaky.csv`: Data from weeks 1–2 and 5–6 of each year (2010–2019, day index `[0:14]`)
 
 ### Features
 Each .h5 file contains two keys:
@@ -41,9 +35,9 @@ Each .h5 file contains two keys:
 
 | Field | Description |
 |------------------------|---------------------------------------------|
-| **Temporal Coverage** | Jan 01, 2011 – July 31, 2024 |
+| **Temporal Coverage** | May 10, 2010 – Dec 31, 2024 |
 | **Data Format** | HDF5 (.h5) |
 | **Data Shape** | [1, 4096, 4096] per file |
-| **Total Instances** | Total 109,175 instances |
+| **Total Instances** | Total 128,352 instances |
 | **Size per File** | ~ 53kB |
-| **Total Dataset Size** | ~ 7GB |
+| **Total Dataset Size** | ~ 1.2GB |