diff --git a/bop_toolkit_lib/config.py b/bop_toolkit_lib/config.py
index 30a4022..651ae8c 100644
--- a/bop_toolkit_lib/config.py
+++ b/bop_toolkit_lib/config.py
@@ -32,7 +32,7 @@
 meshlab_server_path = r"/path/to/meshlabserver.exe"
 
 # Number of workers for the parallel evaluation of pose errors.
-num_workers = 10
+num_workers = 20
 
 # use torch to calculate the errors
 use_gpu = False
diff --git a/bop_toolkit_lib/dataset_params.py b/bop_toolkit_lib/dataset_params.py
index 439b83d..89aa771 100644
--- a/bop_toolkit_lib/dataset_params.py
+++ b/bop_toolkit_lib/dataset_params.py
@@ -89,6 +89,7 @@ def get_model_params(datasets_path, dataset_name, model_type=None):
         "hopev2": list(range(1, 29)),
         "hot3d": list(range(1, 34)),
         "handal": list(range(1, 41)),
+        "robi": list(range(1, 8)),
     }[dataset_name]
 
     # ID's of objects with ambiguous views evaluated using the ADI pose error
@@ -110,6 +111,7 @@ def get_model_params(datasets_path, dataset_name, model_type=None):
         "hopev2": [],
         "hot3d": [1, 2, 3, 5, 22, 24, 25, 29, 30, 32],
         "handal": [26, 35, 36, 37, 38, 39, 40],
+        "robi": [1, 2, 4, 7],
     }[dataset_name]
 
     # T-LESS includes two types of object models, CAD and reconstructed.
@@ -175,9 +177,9 @@ def get_split_params(datasets_path, dataset_name, split, split_type=None):
         depth_ext = ".tif"
 
     p["im_modalities"] = ["rgb", "depth"]
-    # for Classic datasets, test modality is implicit... 
+    # for Classic datasets, test modality is implicit...
     p["eval_modality"] = None
-    # ...and only one set of annotation is present in the dataset 
+    # ...and only one set of annotation is present in the dataset
     # (e.g. scene_gt.json instead of scene_gt_rgb.json, scene_gt_gray1.json etc.)
     modalities_have_separate_annotations = False 
     exts = None  # has to be set if modalities_have_separate_annotations is True
@@ -371,7 +373,7 @@ def get_split_params(datasets_path, dataset_name, split, split_type=None):
             p["depth_range"] = None  # Not calculated yet.
             p["azimuth_range"] = None  # Not calculated yet.
             p["elev_range"] = None  # Not calculated yet.
-    
+
     # HOPEV2.
     elif dataset_name == "hopev2":
         p["scene_ids"] = {
@@ -440,13 +442,28 @@ def hot3d_eval_modality(scene_id):
 
         supported_error_types = ["ad", "add", "adi", "mssd", "mspd"]
 
+    elif dataset_name[:4] == "robi":
+        rgb_ext = ".png"
+        # easy to mask mistake, use get_present_scene_ids instead
+        base_path = join(datasets_path, dataset_name)
+        split_path = join(base_path, split)
+        if split_type is not None:
+            split_path += "_" + split_type
+        p["split_path"] = split_path
+        p["scene_ids"] = get_present_scene_ids(dp_split=p)
+        p["im_size"] = {
+            "realsense": (1280, 720),
+            "ensenso": (1280, 1024),
+        }.get(split_type, (1280, 1024))
+        if split_type in ["realsense", "ensenso"]:
+            rgb_ext = ".bmp"
     else:
         raise ValueError("Unknown BOP dataset ({}).".format(dataset_name))
 
     base_path = join(datasets_path, dataset_name)
     split_path = join(base_path, split)
     if split_type is not None:
-        if split_type == "pbr":
+        if split_type == "pbr" and dataset_name not in ["robi"]:
             p["scene_ids"] = list(range(50))
         split_path += "_" + split_type
 
diff --git a/requirements.txt b/requirements.txt
index f94fbf9..5d22b74 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,15 +1,15 @@
-scipy==1.5.1
+scipy
 kiwisolver==1.3.1
-matplotlib==2.2.4
+matplotlib
 imageio==2.5.0
 pypng==0.0.19
-Cython==0.29.24
+Cython
 PyOpenGL==3.1.0
 triangle>=20190115.2
-glumpy==1.1.0
+glumpy
 opencv-python>=4.3.0.36
 Pillow>=8.2.0
 git+https://github.com/MartinSmeyer/cocoapi.git@v1.0#subdirectory=PythonAPI
 vispy>=0.6.5
 webdataset>=0.1.62
-numpy
+numpy
\ No newline at end of file
diff --git a/scripts/eval_calc_errors_gpu.py b/scripts/eval_calc_errors_gpu.py
index 61c5f24..d1ba71b 100644
--- a/scripts/eval_calc_errors_gpu.py
+++ b/scripts/eval_calc_errors_gpu.py
@@ -83,6 +83,7 @@
     ),
     "num_workers": config.num_workers,  # Number of parallel workers for the calculation of errors.
     "eval_mode": "localization",  # Options: 'localization', 'detection'.
+    "max_num_estimates_per_image": 100,  # Maximum number of estimates per image. Only used for detection tasks.
 }
 ################################################################################
 
@@ -330,7 +331,7 @@
                         est_per_object[obj_id]["gt_visib_fract"].append(
                             scene_gt_info[im_id][gt_id]["visib_fract"]
                         )
-                        # BOP24 datasets do not have "cam_K" keys but "cam_model" 
+                        # BOP24 datasets do not have "cam_K" keys but "cam_model"
                         # TODO: handle the case of H3 dataset which are pinhole but have "cam_model" key (like HANDAL)
                         if "cam_K" in scene_camera[im_id]:
                             est_per_object[obj_id]["cam_K"].append(
@@ -398,10 +399,11 @@
                         "obj_id": obj_id,
                         "est_id": est_id,
                         "score": score,
-                        "gt_visib_fract": gt_visib_fract,
+                        "gt_visib_fracts": {},
                         "errors": {},
                     }
                 scene_errs[key_name]["errors"][gt_id] = [errors[i]]
+                scene_errs[key_name]["gt_visib_fracts"][gt_id] = [gt_visib_fract]
 
         scene_errs = [v for k, v in scene_errs.items()]
         del est_per_object