diff --git a/Sources/Accord.Imaging/Blob Processing/BlobCounterBase.cs b/Sources/Accord.Imaging/Blob Processing/BlobCounterBase.cs
index 628fdde48..a1a1b0472 100644
--- a/Sources/Accord.Imaging/Blob Processing/BlobCounterBase.cs	
+++ b/Sources/Accord.Imaging/Blob Processing/BlobCounterBase.cs	
@@ -1301,7 +1301,7 @@ private unsafe void CollectObjectsInfo(UnmanagedImage image)
             {
                 int blobArea = area[j];
 
-                Blob blob = new Blob(j, new Rectangle(x1[j], y1[j], x2[j] - x1[j], y2[j] - y1[j]));
+                Blob blob = new Blob(j, new Rectangle(x1[j], y1[j], x2[j] - x1[j] + 1, y2[j] - y1[j] + 1));
                 blob.Area = blobArea;
                 blob.Fullness = (double)blobArea / ((x2[j] - x1[j] + 1) * (y2[j] - y1[j] + 1));
                 blob.CenterOfGravity = new Accord.Point((float)xc[j] / blobArea, (float)yc[j] / blobArea);