1 files changed, 4 insertions, 0 deletions
diff --git a/integralimg.go b/integralimg.go
index 007e2c6..d9bd38f 100644
@@ -2,6 +2,10 @@
// Use of this source code is governed by the GPLv3
// license that can be found in the LICENSE file.
+// integralimg is a package for processing integral images, aka
+// summed area tables. These are structures which precompute the
+// sum of pixels to the left and above each pixel, which can make
+// several common image processing operations much faster.