feat: Add Table structure evaluations for TEDS (#94)

* Add Table structure evaluations for TEDS

Signed-off-by: Praveen Kumar Midde <[email protected]>

* Rename the field to structure_only_evaluation

Signed-off-by: Praveen Kumar Midde <[email protected]>

* Review comment - new structure_only_evaluations in DatasetTableEvaluation

Signed-off-by: Praveen Kumar Midde <[email protected]>

* Rename field to 'table_structure_evaluations'

Signed-off-by: Praveen Kumar Midde <[email protected]>

---------

Signed-off-by: Praveen Kumar Midde <[email protected]>

Author: praveenmidde

docling_eval/evaluators/table_evaluator.py

@@ -32,6 +32,7 @@ class TableEvaluation(UnitEvaluation):
     table_id: int = -1
     TEDS: float
     is_complex: bool = False
+    structure_only_evaluation: bool = False
 
     true_ncols: int = -1
     pred_ncols: int = -1
@@ -42,6 +43,7 @@ class TableEvaluation(UnitEvaluation):
 
 class DatasetTableEvaluation(DatasetEvaluation):
     evaluations: List[TableEvaluation]
+    table_structure_evaluations: List[TableEvaluation]
 
     TEDS: DatasetStatistics
     TEDS_struct: DatasetStatistics
@@ -227,6 +229,7 @@ def __call__(
             evaluated_samples=len(table_evaluations),
             rejected_samples=rejected_samples,
             evaluations=table_evaluations,
+            table_structure_evaluations=table_struct_evaluations,
             TEDS=compute_stats(teds_all),
             TEDS_struct=compute_stats(teds_struct),
             TEDS_simple=compute_stats(teds_simple),
@@ -295,6 +298,7 @@ def _evaluate_tables_in_documents(
                     pred_ncols=pred_table.data.num_cols,
                     true_nrows=true_table.data.num_rows,
                     pred_nrows=pred_table.data.num_rows,
+                    structure_only_evaluation=structure_only,
                 )
                 table_evaluations.append(table_evaluation)
             except Exception: