hash

Documentation

Index

• func CalculateDistance(x, y uint64) int
• func FindMean(img image.Image) uint32
• func Grayscale(img image.Image) *image.Gray
• func LoadAsImage(path string) (image.Image, error)
• func Resize(width, height uint, img image.Image) image.Image
• type AvgHash
  • func NewAverageHash() *AvgHash
  • func (ah *AvgHash) GenerateHash(img image.Image) uint64

Functions

func CalculateDistance

func CalculateDistance(x, y uint64) int

CalculateDistance calculates the hamming distance from two hashes.

func FindMean

func FindMean(img image.Image) uint32

FindMean finds the mean from the image.

func Grayscale

func Grayscale(img image.Image) *image.Gray

Grayscale converts image to grayscale.

func LoadAsImage

func LoadAsImage(path string) (image.Image, error)

LoadAsImage loads image from the path.

func Resize

func Resize(width, height uint, img image.Image) image.Image

Resize resizes the image and returns it.

Types

type AvgHash

type AvgHash struct{}

func NewAverageHash

func NewAverageHash() *AvgHash

func (*AvgHash) GenerateHash

func (ah *AvgHash) GenerateHash(img image.Image) uint64

GenerateHash generates the hash value using average hash.