/**
* Filter all blocks using a gaussian filter with sigma = stdev
*/
func filterBlocks(blocks []image.Image, stdev float64) []image.Image {
filteredBlocks := make([]image.Image, len(blocks), len(blocks))
for i, block := range blocks {
filteredBlocks[i] = imaging.Blur(block, stdev, 5)
}
return filteredBlocks
}
func (s *Segmenter) smoothImage(sigma float64) {
fmt.Printf("blur image... ")
start := time.Now()
s.img = imaging.Blur(s.img, sigma, 4)
fmt.Println(time.Since(start))
}