From d84931e456bf11decd9d12954f7f3032c2ac1931 Mon Sep 17 00:00:00 2001
From: Ethan Rublee <no@email>
Date: Mon, 15 Nov 2010 18:14:14 +0000
Subject: [PATCH] small brief edit, was trying to allow user to pass integral
 image but this introduced some bugs, so no longer doing this... for now.

---
 modules/features2d/src/brief.cpp | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/modules/features2d/src/brief.cpp b/modules/features2d/src/brief.cpp
index 8900780d78..e43efb3eaa 100644
--- a/modules/features2d/src/brief.cpp
+++ b/modules/features2d/src/brief.cpp
@@ -70,10 +70,13 @@ void BriefDescriptorExtractor::compute(const Mat& image, std::vector<KeyPoint>&
 {
   // Construct integral image for fast smoothing (box filter)
   Mat sum;
-  if(image.type() == CV_32S)
-    sum = image;
-  else
-    integral(image, sum, CV_32S);
+  
+  ///TODO allow the user to pass in a precomputed integral image
+  //if(image.type() == CV_32S)
+  //  sum = image;
+  //else
+  
+  integral(image, sum, CV_32S);
 
   //Remove keypoints very close to the border
   removeBorderKeypoints(keypoints, image.size(), PATCH_SIZE/2 + KERNEL_SIZE/2);