README
¶
OpenCV
OpenCV (Open Source Computer Vision Library) is an open source computer vision and machine learning software library. OpenCV was built to provide a common infrastructure for computer vision applications and to accelerate the use of machine perception in the commercial products. Being a BSD-licensed product, OpenCV makes it easy for businesses to utilize and modify the code.
For more info about OpenCV click here
How to Install
This package requires OpenCV version 2.4 to be installed on your system. Please note that it is not compatible with OpenCV 3.x at this time.
OSX
To install OpenCV on OSX using Homebrew:
$ brew tap homebrew/science && brew install opencv
Ubuntu
To install OpenCV on Ubuntu 14.04:
$ sudo apt-get install libopencv-dev
Or, follow the official OpenCV installation guide
Windows
Follow the official OpenCV installation guide
Now you can install the package with
go get -d -u github.com/hybridgroup/gobot/... && go install github.com/hybridgroup/gobot/platforms/opencv
How to Use
Example using the camera.
package main
import (
cv "github.com/lazywei/go-opencv/opencv"
"github.com/hybridgroup/gobot"
"github.com/hybridgroup/gobot/platforms/opencv"
)
func main() {
gbot := gobot.NewGobot()
window := opencv.NewWindowDriver("window")
camera := opencv.NewCameraDriver("camera", 0)
work := func() {
gobot.On(camera.Event("frame"), func(data interface{}) {
window.ShowImage(data.(*cv.IplImage))
})
}
robot := gobot.NewRobot("cameraBot",
[]gobot.Device{window, camera},
work,
)
gbot.AddRobot(robot)
gbot.Start()
}
Documentation
¶
Overview ¶
Package opencv contains the Gobot drivers for opencv.
Installing:
This package requires `opencv` to be installed on your system ¶
Then you can install the package with:
go get github.com/hybridgroup/gobot && go install github.com/hybridgroup/gobot/platforms/opencv
Example:
package main
import (
cv "github.com/hybridgroup/go-opencv/opencv"
"github.com/hybridgroup/gobot"
"github.com/hybridgroup/gobot/platforms/opencv"
)
func main() {
gbot := gobot.NewGobot()
window := opencv.NewWindowDriver("window")
camera := opencv.NewCameraDriver("camera", 0)
work := func() {
gobot.On(camera.Event("frame"), func(data interface{}) {
window.ShowImage(data.(*cv.IplImage))
})
}
robot := gobot.NewRobot("cameraBot",
[]gobot.Device{window, camera},
work,
)
gbot.AddRobot(robot)
gbot.Start()
}
For further information refer to opencv README: https://github.com/hybridgroup/gobot/blob/master/platforms/opencv/README.md
Index ¶
Constants ¶
const (
// Frame event
Frame = "frame"
)
Variables ¶
This section is empty.
Functions ¶
func DetectFaces ¶
DetectFaces loads Haar cascade to detect face objects in image
Types ¶
type CameraDriver ¶
type CameraDriver struct {
Source interface{}
gobot.Eventer
// contains filtered or unexported fields
}
func NewCameraDriver ¶
func NewCameraDriver(name string, source interface{}, v ...time.Duration) *CameraDriver
NewCameraDriver creates a new driver with specified name and source. It also creates a start function to either set camera as a File or Camera capture.
func (*CameraDriver) Connection ¶
func (c *CameraDriver) Connection() gobot.Connection
func (*CameraDriver) Name ¶
func (c *CameraDriver) Name() string
func (*CameraDriver) Start ¶
func (c *CameraDriver) Start() (errs []error)
Start initializes camera by grabbing a frame every `interval` and publishing an frame event
type WindowDriver ¶
type WindowDriver struct {
// contains filtered or unexported fields
}
func NewWindowDriver ¶
func NewWindowDriver(name string) *WindowDriver
NewWindowDriver creates a new window driver with specified name. It adds an start function to initialize window
func (*WindowDriver) Connection ¶
func (w *WindowDriver) Connection() gobot.Connection
func (*WindowDriver) Halt ¶
func (w *WindowDriver) Halt() (errs []error)
Halt returns true if camera is halted successfully
func (*WindowDriver) Name ¶
func (w *WindowDriver) Name() string
func (*WindowDriver) ShowImage ¶
func (w *WindowDriver) ShowImage(image *cv.IplImage)
ShowImage displays image in window
func (*WindowDriver) Start ¶
func (w *WindowDriver) Start() (errs []error)
Start starts window thread and driver
Source Files