func detect(cascade *opencv.HaarCascade, r io.Reader) ([]*Face, error) {
img, format, err := image.Decode(r)
if err != nil {
return []*Face{}, err
}
log.Printf("Image format: %s", format)
rects := cascade.DetectObjects(opencv.FromImage(img))
faces := []*Face{}
for _, value := range rects {
face := &Face{
PointX: value.X(),
PointY: value.Y(),
Width: value.Width(),
Height: value.Height(),
}
faces = append(faces, face)
}
return faces, nil
}
func ProcessImage(img *opencv.IplImage, cascade *opencv.HaarCascade) (bool, error) {
faces := cascade.DetectObjects(img)
hasFaces := len(faces) > 0
return hasFaces, nil
}