hybridgroup.gobot/examples/opencv_face_detect.go

50 lines
896 B
Go

// +build example
//
// Do not build by default.
package main
import (
"path"
"runtime"
"time"
cv "github.com/lazywei/go-opencv/opencv"
"gobot.io/x/gobot"
"gobot.io/x/gobot/platforms/opencv"
)
func main() {
_, currentfile, _, _ := runtime.Caller(0)
cascade := path.Join(path.Dir(currentfile), "haarcascade_frontalface_alt.xml")
window := opencv.NewWindowDriver()
camera := opencv.NewCameraDriver(0)
work := func() {
var image *cv.IplImage
camera.On(opencv.Frame, func(data interface{}) {
image = data.(*cv.IplImage)
})
gobot.Every(500*time.Millisecond, func() {
if image != nil {
i := image.Clone()
faces := opencv.DetectFaces(cascade, i)
i = opencv.DrawRectangles(i, faces, 0, 255, 0, 5)
window.ShowImage(i)
}
})
}
robot := gobot.NewRobot("faceBot",
[]gobot.Connection{},
[]gobot.Device{window, camera},
work,
)
robot.Start()
}