From 59a0190c75cc2c8c58e66b75552a2e649579cd2c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ja=C5=A1a=20Kerec?=
 <61207502+kkeroo@users.noreply.github.com>
Date: Thu, 19 Sep 2024 10:07:57 +0200
Subject: [PATCH] Better error in MPPalmDetectionParser. (#72)

---
 depthai_nodes/ml/parsers/utils/medipipe.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/depthai_nodes/ml/parsers/utils/medipipe.py b/depthai_nodes/ml/parsers/utils/medipipe.py
index 8d0234b..69c9845 100644
--- a/depthai_nodes/ml/parsers/utils/medipipe.py
+++ b/depthai_nodes/ml/parsers/utils/medipipe.py
@@ -240,8 +240,13 @@ def decode_bboxes(score_thresh, scores, bboxes, anchors, scale=128, best_only=Fa
         det_scores = scores[detection_mask]
         if det_scores.size == 0:
             return regions
+    try:
         det_bboxes2 = bboxes[detection_mask]
         det_anchors = anchors[detection_mask]
+    except Exception as e:
+        raise IndexError(
+            "Wrong parser scale set. Please use setScale method to set different scale according to model dimensions (e.g. 128)."
+        ) from e
 
     det_bboxes = det_bboxes2 * np.tile(det_anchors[:, 2:4], 9) / scale + np.tile(
         det_anchors[:, 0:2], 9