Dominantcolor
Find dominant color in images
import "github.com/cenkalti/dominantcolor"Package dominantcolor provides a function for finding a color that represents the calculated dominant color in the image. This uses a KMean clustering algorithm to find clusters of pixel colors in RGB space.
The algorithm is ported from Chromium source code:
- https://github.com/adobe/chromium/blob/master/ui/gfx/color_analysis.h
- https://github.com/adobe/chromium/blob/master/ui/gfx/color_analysis.cc
See more at: http://godoc.org/github.com/cenkalti/dominantcolor
Example
package main
import (
"fmt"
"github.com/cenkalti/dominantcolor"
"image"
_ "image/jpeg"
_ "image/png"
"os"
)
func FindDomiantColor(fileInput string) (string, error) {
f, err := os.Open(fileInput)
defer f.Close()
if err != nil {
fmt.Println("File not found:", fileInput)
return "", err
}
img, _, err := image.Decode(f)
if err != nil {
return "", err
}
return dominantcolor.Hex(dominantcolor.Find(img)), nil
}
func main() {
fmt.Println(FindDomiantColor("aa.png"))
}Output:
#CA5527
Thanks to @stuartmscott for creating a GUI: https://github.com/stuartmscott/dominantcolor