Add dataset card

README.md

@@ -11,58 +11,6 @@ configs:
   data_files:
   - split: test
     path: data/test-*
-dataset_info:
-  features:
-  - name: image_id
-    dtype: int32
-  - name: file_name
-    dtype: string
-  - name: image
-    dtype: image
-  - name: width
-    dtype: int32
-  - name: height
-    dtype: int32
-  - name: data_type
-    dtype: int32
-  - name: chart_elements
-    list:
-    - name: annotation_id
-      dtype: int32
-    - name: category_id
-      dtype: int32
-    - name: category_name
-      dtype: string
-    - name: bbox_xywh
-      list: float32
-    - name: area
-      dtype: float32
-    - name: text
-      dtype: string
-    - name: line_id
-      dtype: int32
-  - name: lines
-    list:
-    - name: annotation_id
-      dtype: int32
-    - name: category_id
-      dtype: int32
-    - name: category_name
-      dtype: string
-    - name: line_name
-      dtype: string
-    - name: polyline_xy
-      list: float32
-    - name: raw_series_xy
-      list: float32
-    - name: area
-      dtype: float32
-  splits:
-  - name: test
-    num_bytes: 1074679278.0
-    num_examples: 20000
-  download_size: 1052209193
-  dataset_size: 1074679278.0
 ---
 
 # LineEX Test Split
@@ -101,6 +49,7 @@ LineEX paper, "LineEX: Data Extraction from Scientific Line Charts" (WACV 2023).
 - `annotation_id`
 - `category_id`
 - `category_name`
+- `line_name`
 - `polyline_xy`
 - `raw_series_xy`
 - `area`
@@ -123,6 +72,8 @@ LineEX paper, "LineEX: Data Extraction from Scientific Line Charts" (WACV 2023).
 - The original `cls_anno.json` category list is incomplete relative to the annotation IDs.
   This mirror uses the 10-class mapping defined in the LineEX codebase.
 - `line_id` links legend marker annotations to line annotations within the same image.
+- `lines.line_name` is derived from the legend structure and may be `null` when no legend-text
+  association can be inferred for a series.
 - This repo mirrors only the `test` split.
 
 ## License