From 8480af2a918c9390a3433e2fed893dafbad28e25 Mon Sep 17 00:00:00 2001
From: bnpzsx <1150892585@qq.com>
Date: Thu, 26 Nov 2020 09:58:37 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8DFasterRCNN=E7=B3=BB=E5=88=97?=
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原代码中将'background'类ID设为0，会覆盖掉原类别中ID为0的标签。
---
 ppdet/utils/coco_eval.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ppdet/utils/coco_eval.py b/ppdet/utils/coco_eval.py
index b54be135c..e0186a0de 100644
--- a/ppdet/utils/coco_eval.py
+++ b/ppdet/utils/coco_eval.py
@@ -427,8 +427,8 @@ def get_category_info_from_anno(anno_file, with_background=True):
     }
     catid2name = {cat['id']: cat['name'] for cat in cats}
     if with_background:
-        clsid2catid.update({0: 0})
-        catid2name.update({0: 'background'})
+        clsid2catid.update({0: -1})
+        catid2name.update({-1: 'background'})
     return clsid2catid, catid2name
 
 
-- 
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