Versions in this module Expand all Collapse all v1 v1.2.0 Aug 8, 2023 v1.1.0 Aug 8, 2023 Changes in this version + func AutoThresholdTriangle(histogram [256]int) uint8 + func GrayImageHistogram(img *image.Gray) (histogram [256]int) + func ImgToBinary(i image.Image, threshold uint8) *image.Gray + func ImgToGray(i image.Image) *image.Gray + func IsGrayImgBlackAndWhite(i *image.Gray) bool