From c4e48fb590a42fea434e56cfd8dabd4e82c0df6a Mon Sep 17 00:00:00 2001
From: Zen <46526140+master-of-zen@users.noreply.github.com>
Date: Fri, 30 Oct 2020 23:37:40 +0200
Subject: [PATCH] Limit target vmaf pooling by minumum and standart deviation

---
 VMAF/vmaf.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/VMAF/vmaf.py b/VMAF/vmaf.py
index 2227da5..1608fb9 100755
--- a/VMAF/vmaf.py
+++ b/VMAF/vmaf.py
@@ -32,9 +32,13 @@ def read_vmaf_json(file, percentile=0):
         # Using 2 standart deviations to weight for bad frames
         mean = np.mean(vmafs)
         dev = np.std(vmafs)
+        minimum = np.min(vmafs)
+
 
         perc = mean - (2 * dev)
 
+        perc = max(perc, minimum)
+
     else:
         perc = round(np.percentile(vmafs, percentile), 2)