func (self *FastCutBasedPredictor) XHis(img *cv.BinaryImage) []int {
h := []int{}
for x := 0; x < img.Width; x++ {
h = append(h, 0)
for y := 0; y < img.Height; y++ {
h[x] += img.Get(x, y)
}
}
return h
}
func FindEndPos(img *cv.BinaryImage, beginX int) int {
for x := beginX; x < img.Width; x++ {
sum := 0
for y := 0; y < img.Height; y++ {
sum += img.Get(x, y)
}
if sum == 0 {
return x
}
}
return img.Width
}
