Add example in README.

README.md

@@ -3,10 +3,6 @@
 ## Why fork?
 Original project (https://code.google.com/p/go-opencv) looks abandoned. Therefore, I decide to fork it and host it on Github, so that others can help to maintain this package.
 
-## TODOs
-- More details doc
-- Implement more bindings
-
 ## Install
 
 ### Linux
@@ -24,9 +20,37 @@ Original project (https://code.google.com/p/go-opencv) looks abandoned. Therefor
 - go get code.google.com/p/go-opencv/trunk/opencv
 - cd ${GoOpenCVRoot}/trunk/samples && go run hellocv.go
 
+## Example
+
+```go
+package main
+
+import opencv "github.com/lazywei/go-opencv/opencv"
+
+func main() {
+	filename := "bert.jpg"
+	srcImg := opencv.LoadImage(filename)
+	if srcImg == nil {
+		panic("Loading Image failed")
+	}
+	defer srcImg.Release()
+	resized1 := opencv.Resize(srcImg, 400, 0, 0)
+	resized2 := opencv.Resize(srcImg, 300, 500, 0)
+	resized3 := opencv.Resize(srcImg, 300, 500, 2)
+	opencv.SaveImage("resized1.jpg", resized1, 0)
+	opencv.SaveImage("resized2.jpg", resized2, 0)
+	opencv.SaveImage("resized3.jpg", resized3, 0)
+}
+```
+You can find more samples at: https://github.com/lazywei/go-opencv/tree/master/samples
+
 ## Contribute
 
 - Fork this repo
 - Create new feature branch, `git checkout -b your-feature-branch`
 - Commit your change and push it to your repo `git commit -m 'new feature'; git push origin your-feature-branch`
 - Open pull request!
+
+## TODOs
+- More details doc
+- Implement more bindings