From 38ee683ac83f3fcec05b1225396af3b7b9606acd Mon Sep 17 00:00:00 2001
From: waspinator <patrickwasp@gmail.com>
Date: Tue, 10 Apr 2018 14:05:07 -0400
Subject: [PATCH] removed annotations of zero area

---
 pycococreatortools/pycococreatortools.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pycococreatortools/pycococreatortools.py b/pycococreatortools/pycococreatortools.py
index 3a20e9c..8fd9c25 100644
--- a/pycococreatortools/pycococreatortools.py
+++ b/pycococreatortools/pycococreatortools.py
@@ -78,6 +78,9 @@ def create_annotation_info(annotation_id, image_id, category_info, binary_mask,
     bounding_box = mask.toBbox(binary_mask_encoded)
     area = mask.area(binary_mask_encoded)
 
+    if area < 1:
+        return None
+
     if category_info["is_crowd"]:
         annotation_info = {
             "id": annotation_id,