From 4dac70cad17ed5eaf858f8163f73314f87b919f2 Mon Sep 17 00:00:00 2001
From: kubade-ashish <ashish.ak@perfios.com>
Date: Tue, 4 Jun 2024 18:08:52 +0530
Subject: [PATCH] Add ops.py comment for `nm` = number of masks (#13353)

Co-authored-by: UltralyticsAssistant <web@ultralytics.com>
Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>
---
 ultralytics/utils/ops.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ultralytics/utils/ops.py b/ultralytics/utils/ops.py
index 6dc6024a..34e6541a 100644
--- a/ultralytics/utils/ops.py
+++ b/ultralytics/utils/ops.py
@@ -215,7 +215,7 @@ def non_max_suppression(
 
     bs = prediction.shape[0]  # batch size
     nc = nc or (prediction.shape[1] - 4)  # number of classes
-    nm = prediction.shape[1] - nc - 4
+    nm = prediction.shape[1] - nc - 4  # number of masks
     mi = 4 + nc  # mask start index
     xc = prediction[:, 4:mi].amax(1) > conf_thres  # candidates