remove max_number_det from tile adaptor

src/otx/algorithms/detection/utils/data.py

@@ -434,7 +434,7 @@ def adaptive_tile_params(
     """Config tile parameters.
 
     Adapt based on annotation statistics.
-    i.e. tile size, tile overlap, ratio and max objects per sample
+    i.e. tile size, tile overlap, and ratio.
 
     Args:
         tiling_parameters (BaseTilingParameters): tiling parameters of the model
@@ -447,7 +447,6 @@ def adaptive_tile_params(
     assert rule in ["min", "avg"], f"Unknown rule: {rule}"
 
     stat = compute_robust_dataset_statistics(dataset, ann_stat=True)
-    max_num_objects = round(stat["annotation"]["num_per_image"]["max"])
     avg_size = stat["annotation"]["size_of_shape"]["avg"]
     min_size = stat["annotation"]["size_of_shape"]["robust_min"]
     max_size = stat["annotation"]["size_of_shape"]["robust_max"]
@@ -484,11 +483,6 @@ def adaptive_tile_params(
         tiling_parameters.get_metadata("tile_overlap")["min_value"],
         min(tiling_parameters.get_metadata("tile_overlap")["max_value"], tile_overlap),
     )
-    max_num_objects = max(
-        tiling_parameters.get_metadata("tile_max_number")["min_value"],
-        min(tiling_parameters.get_metadata("tile_max_number")["max_value"], max_num_objects),
-    )
 
     tiling_parameters.tile_size = tile_size
-    tiling_parameters.tile_max_number = max_num_objects
     tiling_parameters.tile_overlap = tile_overlap

tests/unit/algorithms/detection/tiling/test_tiling_detection.py

@@ -438,6 +438,8 @@ def test_adaptive_tile_parameters(self):
 
         default_tile_size = hp.tiling_parameters.tile_size
         default_tile_overlap = hp.tiling_parameters.tile_overlap
+        # manually set tile max number
+        hp.tiling_parameters.tile_max_number = np.random.randint(low=1, high=5000)
         default_tile_max_number = hp.tiling_parameters.tile_max_number
 
         adaptive_tile_params(hp.tiling_parameters, self.otx_dataset)
@@ -448,5 +450,5 @@ def test_adaptive_tile_parameters(self):
         # check tile overlap is changed
         assert hp.tiling_parameters.tile_overlap != default_tile_overlap
 
-        # check max output prediction size is changed
-        assert hp.tiling_parameters.tile_max_number != default_tile_max_number
+        # check tile max number is being manually set and not changed by adaptive_tile_params
+        assert hp.tiling_parameters.tile_max_number == default_tile_max_number