imgaug

package module

v0.0.0-...-4225931 Latest Latest Go to latest Published: Feb 22, 2022 License: MIT Imports: 5 Imported by: 0

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Valid go.mod file

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Repository

github.com/notnil/imgaug

Links

Open Source Insights

README ¶

imgaug

Documentation ¶

Index ¶

Constants
type Config
- func NewConfig(r *rand.Rand, bboxMinArea int, bboxMinVisibility float64) *Config
type CropFunc
- func FixedCrop(r image.Rectangle) CropFunc
- func PercentCrop(sides map[Side]FloatRange) CropFunc
- func PixelCrop(sides map[Side]IntRange) CropFunc
type FloatRange
- func (fr FloatRange) Float(r *rand.Rand) float64
type IntRange
- func (ir IntRange) Int(r *rand.Rand) int
type Labels
type PadFunc
- func PercentPad(sides map[Side]FloatRange) PadFunc
- func PixelPad(sides map[Side]IntRange) PadFunc
type ResizeAlg
type ResizeFunc
- func FixedResize(w, h int) ResizeFunc
- func PercentResize(w FloatRange, h FloatRange) ResizeFunc
- func PixelResize(w IntRange, h IntRange) ResizeFunc
type Side
type Transformer
- func Crop(fn CropFunc) Transformer
- func FlipLR() Transformer
- func FlipUD() Transformer
- func Noop() Transformer
- func OneOf(ts ...Transformer) Transformer
- func Pad(fn PadFunc) Transformer
- func Resize(fn ResizeFunc, algs ...ResizeAlg) Transformer
- func Sequential(ts ...Transformer) Transformer
- func SomeOf(r IntRange, ts ...Transformer) Transformer
- func Sometimes(p float64, t Transformer) Transformer
type TransformerFunc
- func (fn TransformerFunc) Transform(cfg *Config, img image.Image, labels Labels) (image.Image, Labels)

Constants ¶

View Source

const (
	L Side = 1 << iota
	T
	R
	B
	LR  = L | R
	TB  = T | B
	All = LR | TB
)

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Config ¶

type Config struct {
	// contains filtered or unexported fields
}

func NewConfig ¶

func NewConfig(r *rand.Rand, bboxMinArea int, bboxMinVisibility float64) *Config

type CropFunc ¶

type CropFunc func(cfg *Config, bnds image.Point) image.Rectangle

func FixedCrop ¶

func FixedCrop(r image.Rectangle) CropFunc

func PercentCrop ¶

func PercentCrop(sides map[Side]FloatRange) CropFunc

func PixelCrop ¶

func PixelCrop(sides map[Side]IntRange) CropFunc

type FloatRange ¶

type FloatRange struct {
	Min float64
	Max float64
}

func (FloatRange) Float ¶

func (fr FloatRange) Float(r *rand.Rand) float64

type IntRange ¶

type IntRange struct {
	Min int
	Max int
}

func (IntRange) Int ¶

func (ir IntRange) Int(r *rand.Rand) int

type Labels ¶

type Labels struct {
	BBoxes    []image.Rectangle
	Polygons  [][]image.Point
	Keypoints [][]image.Point
	Masks     []image.Image
}

type PadFunc ¶

type PadFunc func(cfg *Config, bnds image.Point) map[Side]int

func PercentPad ¶

func PercentPad(sides map[Side]FloatRange) PadFunc

func PixelPad ¶

func PixelPad(sides map[Side]IntRange) PadFunc

type ResizeAlg ¶

type ResizeAlg int

const (
	NearestNeighbor ResizeAlg = iota
	Box
	Linear
	Hermite
	MitchellNetravali
	CatmullRom
	BSpline
	Gaussian
	Bartlett
	Lanczos
	Hann
	Hamming
	Blackman
	Welch
	Cosine
)

type ResizeFunc ¶

type ResizeFunc func(cfg *Config, bnds image.Point) image.Point

func FixedResize ¶

func FixedResize(w, h int) ResizeFunc

func PercentResize ¶

func PercentResize(w FloatRange, h FloatRange) ResizeFunc

func PixelResize ¶

func PixelResize(w IntRange, h IntRange) ResizeFunc

type Side ¶

type Side uint8

type Transformer ¶

type Transformer interface {
	Transform(cfg *Config, img image.Image, labels Labels) (image.Image, Labels)
}

func Crop ¶

func Crop(fn CropFunc) Transformer

func FlipLR ¶

func FlipLR() Transformer

func FlipUD ¶

func FlipUD() Transformer

func Noop ¶

func Noop() Transformer

func OneOf ¶

func OneOf(ts ...Transformer) Transformer

func Pad ¶

func Pad(fn PadFunc) Transformer

func Resize ¶

func Resize(fn ResizeFunc, algs ...ResizeAlg) Transformer

func Sequential ¶

func Sequential(ts ...Transformer) Transformer

func SomeOf ¶

func SomeOf(r IntRange, ts ...Transformer) Transformer

func Sometimes ¶

func Sometimes(p float64, t Transformer) Transformer

type TransformerFunc ¶

type TransformerFunc func(cfg *Config, img image.Image, labels Labels) (image.Image, Labels)

func (TransformerFunc) Transform ¶

func (fn TransformerFunc) Transform(cfg *Config, img image.Image, labels Labels) (image.Image, Labels)

Source Files ¶

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