diff --git a/tests/ImageSharp.Tests/Processing/Processors/Convolution/Basic1ParameterConvolutionTests.cs b/tests/ImageSharp.Tests/Processing/Processors/Convolution/Basic1ParameterConvolutionTests.cs
index 7e0676aab..8eed3683e 100644
--- a/tests/ImageSharp.Tests/Processing/Processors/Convolution/Basic1ParameterConvolutionTests.cs
+++ b/tests/ImageSharp.Tests/Processing/Processors/Convolution/Basic1ParameterConvolutionTests.cs
@@ -17,10 +17,11 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Convolution
         public static readonly TheoryData<int> Values = new TheoryData<int> { 3, 5 };
 
         public static readonly string[] InputImages =
-            {
-                TestImages.Bmp.Car,
-                TestImages.Png.CalliphoraPartial
-            };
+        {
+            TestImages.Bmp.Car,
+            TestImages.Png.CalliphoraPartial,
+            TestImages.Png.Blur
+        };
 
         [Theory]
         [WithFileCollection(nameof(InputImages), nameof(Values), PixelTypes.Rgba32)]
diff --git a/tests/Images/External/ReferenceOutput/Convolution/BoxBlurTest/InBox_Rgba32_blur_3.png b/tests/Images/External/ReferenceOutput/Convolution/BoxBlurTest/InBox_Rgba32_blur_3.png
new file mode 100644
index 000000000..dc28cf4f7
--- /dev/null
+++ b/tests/Images/External/ReferenceOutput/Convolution/BoxBlurTest/InBox_Rgba32_blur_3.png
@@ -0,0 +1,3 @@
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diff --git a/tests/Images/External/ReferenceOutput/Convolution/BoxBlurTest/InBox_Rgba32_blur_5.png b/tests/Images/External/ReferenceOutput/Convolution/BoxBlurTest/InBox_Rgba32_blur_5.png
new file mode 100644
index 000000000..11d0b6e05
--- /dev/null
+++ b/tests/Images/External/ReferenceOutput/Convolution/BoxBlurTest/InBox_Rgba32_blur_5.png
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diff --git a/tests/Images/External/ReferenceOutput/Convolution/BoxBlurTest/OnFullImage_Rgba32_blur_3.png b/tests/Images/External/ReferenceOutput/Convolution/BoxBlurTest/OnFullImage_Rgba32_blur_3.png
new file mode 100644
index 000000000..df6e2f204
--- /dev/null
+++ b/tests/Images/External/ReferenceOutput/Convolution/BoxBlurTest/OnFullImage_Rgba32_blur_3.png
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diff --git a/tests/Images/External/ReferenceOutput/Convolution/BoxBlurTest/OnFullImage_Rgba32_blur_5.png b/tests/Images/External/ReferenceOutput/Convolution/BoxBlurTest/OnFullImage_Rgba32_blur_5.png
new file mode 100644
index 000000000..4bbc0604c
--- /dev/null
+++ b/tests/Images/External/ReferenceOutput/Convolution/BoxBlurTest/OnFullImage_Rgba32_blur_5.png
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diff --git a/tests/Images/External/ReferenceOutput/Convolution/GaussianBlurTest/InBox_Rgba32_blur_3.png b/tests/Images/External/ReferenceOutput/Convolution/GaussianBlurTest/InBox_Rgba32_blur_3.png
new file mode 100644
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diff --git a/tests/Images/External/ReferenceOutput/Convolution/GaussianBlurTest/InBox_Rgba32_blur_5.png b/tests/Images/External/ReferenceOutput/Convolution/GaussianBlurTest/InBox_Rgba32_blur_5.png
new file mode 100644
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--- /dev/null
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diff --git a/tests/Images/External/ReferenceOutput/Convolution/GaussianBlurTest/OnFullImage_Rgba32_blur_3.png b/tests/Images/External/ReferenceOutput/Convolution/GaussianBlurTest/OnFullImage_Rgba32_blur_3.png
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diff --git a/tests/Images/External/ReferenceOutput/Convolution/GaussianSharpenTest/InBox_Rgba32_blur_3.png b/tests/Images/External/ReferenceOutput/Convolution/GaussianSharpenTest/InBox_Rgba32_blur_3.png
new file mode 100644
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