diff --git a/filter/filter_test.go b/filter/filter_test.go
index 4e4e3fce..a6951cf6 100644
--- a/filter/filter_test.go
+++ b/filter/filter_test.go
@@ -1,15 +1,12 @@
 /*
-NAME
-  filter_test.go
-
 DESCRIPTION
-  See Readme.md
+  filter_test.go contains benchmarking tests for each filter implementation.
 
 AUTHORS
   Ella Pietraroia <ella@ausocean.org>
 
 LICENSE
-  This is Copyright (C) 2019 the Australian Ocean Lab (AusOcean).
+  This is Copyright (C) 2020 the Australian Ocean Lab (AusOcean).
 
   It is free software: you can redistribute it and/or modify them
   under the terms of the GNU General Public License as published by the
@@ -28,17 +25,41 @@ LICENSE
 package filter
 
 import (
-	"fmt"
 	"io"
 	"os"
 	"testing"
 )
 
+const (
+	outBasic = "testout/test_outBasic.mjpeg"
+	outDiff  = "testout/test_outDiff.mjpeg"
+	outKNN   = "testout/test_outKNN.mjpeg"
+	outMOG   = "testout/test_outMOG.mjpeg"
+)
+const (
+	debug             = false
+	motionDownscaling = 1
+	motionInterval    = 1
+
+	BasicThreshold = 45000
+	BasicPixels    = 1000
+
+	DiffThreshold = 3
+
+	KNNMinArea   = 25.0
+	KNNThreshold = 300
+	KNNHistory   = 300
+	KNNKernel    = 9
+
+	MOGMinArea   = 25.0
+	MOGThreshold = 20.0
+	MOGHistory   = 500
+)
+
 func BenchmarkBasic(b *testing.B) {
-	file, _ := os.Create("testout/test_outBasic.mjpeg")
-	w := io.WriteCloser(file)
-	f := NewBasic(w, false, 45000, 1000)
-	fmt.Print("\nFrames: ", len(testPackets), "\t")
+	file, _ := os.Create(outBasic)
+	f := NewBasic(io.WriteCloser(file), debug, BasicThreshold, BasicPixels)
+	b.Log("\nFrames: ", len(testPackets))
 	for n := 0; n < b.N; n++ {
 		for _, x := range testPackets {
 			f.Write(x)
@@ -47,10 +68,9 @@ func BenchmarkBasic(b *testing.B) {
 }
 
 func BenchmarkDifference(b *testing.B) {
-	file, _ := os.Create("testout/test_outDiff.mjpeg")
-	w := io.WriteCloser(file)
-	f := NewDifference(w, false, 3)
-	fmt.Print("\nFrames: ", len(testPackets), "\t")
+	file, _ := os.Create(outDiff)
+	f := NewDifference(io.WriteCloser(file), debug, DiffThreshold)
+	b.Log("\nFrames: ", len(testPackets))
 	for n := 0; n < b.N; n++ {
 		for _, x := range testPackets {
 			f.Write(x)
@@ -59,10 +79,9 @@ func BenchmarkDifference(b *testing.B) {
 }
 
 func BenchmarkKNN(b *testing.B) {
-	file, _ := os.Create("testout/test_outKNN.mjpeg")
-	w := io.WriteCloser(file)
-	f := NewKNN(w, 25, 20, 300, 9, false, 1, 1)
-	fmt.Print("\nFrames: ", len(testPackets), "\t")
+	file, _ := os.Create(outKNN)
+	f := NewKNN(io.WriteCloser(file), KNNMinArea, KNNThreshold, KNNHistory, KNNKernel, debug, motionInterval, motionDownscaling)
+	b.Log("\nFrames: ", len(testPackets))
 	for n := 0; n < b.N; n++ {
 		for _, x := range testPackets {
 			f.Write(x)
@@ -71,10 +90,9 @@ func BenchmarkKNN(b *testing.B) {
 }
 
 func BenchmarkMOG(b *testing.B) {
-	file, _ := os.Create("testout/test_outMOG.mjpeg")
-	w := io.WriteCloser(file)
-	f := NewMOG(w, 25, 20, 500, false, 1, 1)
-	fmt.Print("\nFrames: ", len(testPackets), "\t")
+	file, _ := os.Create(outMOG)
+	f := NewMOG(io.WriteCloser(file), MOGMinArea, MOGThreshold, MOGHistory, debug, motionInterval, motionDownscaling)
+	b.Log("\nFrames: ", len(testPackets))
 	for n := 0; n < b.N; n++ {
 		for _, x := range testPackets {
 			f.Write(x)
diff --git a/filter/tests.go b/filter/tests.go
index 8418a80f..510a5ef1 100644
--- a/filter/tests.go
+++ b/filter/tests.go
@@ -8,7 +8,7 @@ AUTHOR
   Ella Pietraroia <ella@ausocean.org>
 
 LICENSE
-  Copyright (C) 2019 the Australian Ocean Lab (AusOcean)
+  Copyright (C) 2020 the Australian Ocean Lab (AusOcean)
 
   It is free software: you can redistribute it and/or modify them
   under the terms of the GNU General Public License as published by the