pointu

package

v0.0.0-...-5786e97 Latest Latest Go to latest Published: Mar 3, 2020 License: MIT Imports: 6 Imported by: 2

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

ImageToGray converts an image.Image into an image.Gray.

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

LoadImage reads and loads an image from a file path.

func RescaleFloat64s(floats []float64, newMin, newMax float64) []float64

type PDF [][]float64

A PDF is a probability density function.

func MakePDF(gray *image.Gray) PDF

makePDF generates a probability density function from an image.Gray.

type Point struct {
	X float64
	Y float64
}

A Point represents an (X, Y) pair.

func (p Point) String() string

type Points []Point

func GetCentroids(sites Points, pdf PDF, bounds image.Rectangle, step float64) (Points, []float64)

func ImportanceSample(n int, gray *image.Gray, threshold uint8, rng *rand.Rand) Points