Add rt info for OpenVINO ModelAPI (#2891)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>
Co-authored-by: Ayush Chaurasia <ayush.chaurarsia@gmail.com>

ultralytics/yolo/engine/exporter.py

@@ -362,6 +362,18 @@ class Exporter:
                                     model_name=self.pretty_name,
                                     framework='onnx',
                                     compress_to_fp16=self.args.half)  # export
+
+        # Set RT info
+        ov_model.set_rt_info('YOLOv8', ['model_info', 'model_type'])
+        ov_model.set_rt_info(True, ['model_info', 'reverse_input_channels'])
+        ov_model.set_rt_info(114, ['model_info', 'pad_value'])
+        ov_model.set_rt_info([255.0], ['model_info', 'scale_values'])
+        ov_model.set_rt_info(self.args.iou, ['model_info', 'iou_threshold'])
+        ov_model.set_rt_info([v.replace(' ', '_') for k, v in sorted(self.model.names.items())],
+                             ['model_info', 'labels'])
+        if self.model.task != 'classify':
+            ov_model.set_rt_info('fit_to_window_letterbox', ['model_info', 'resize_type'])
+
         ov.serialize(ov_model, f_ov)  # save
         yaml_save(Path(f) / 'metadata.yaml', self.metadata)  # add metadata.yaml
         return f, None