captcha

package module

v0.0.0-...-03cbb69 Latest Latest Go to latest Published: Apr 23, 2014 License: MIT Imports: 21 Imported by: 0

Details

Valid go.mod file

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Repository

github.com/xlvector/captcha

Links

Open Source Insights

README ¶

captcha

Documentation ¶

Index ¶

Constants
func CopyImage(img image.Image) image.Image
func FindBeginPos(img *cv.BinaryImage, beginX int) (int, int)
func FindEndPos(img *cv.BinaryImage, beginX int) int
func GetChType(buf string) int
func LoadImage(fname string) image.Image
func LoadImageFromFile(fname string) image.Image
func LoadImageFromURL(link string, proxy string, pageLink string) image.Image
func SaveImage(img image.Image, name string)
type BinaryImageConnectedComponentPredictor
- func (self *BinaryImageConnectedComponentPredictor) Guess(img *cv.BinaryImage, mki *MaskIndex, chType int) []*Result
type BinaryImagePredictor
type CaptchaHandler
- func NewCaptchaHandler() *CaptchaHandler
- func (self *CaptchaHandler) ServeHTTP(w http.ResponseWriter, req *http.Request)
type ConnectedComponentPredictor
- func (self *ConnectedComponentPredictor) Guess(img image.Image, mki *MaskIndex, chType int) []*Result
type Decoder
- func (self *Decoder) Predict(img image.Image, mki *MaskIndex, chType int) []*Result
type FastCutBasedPredictor
- func (self *FastCutBasedPredictor) CutMatrixByRect(img *cv.BinaryImage, left, top, right, bottom int) *cv.BinaryImage
- func (self *FastCutBasedPredictor) FindNextSplitPoints(img *cv.BinaryImage, sx int, h []int) []int
- func (self *FastCutBasedPredictor) Guess(img *cv.BinaryImage, mki *MaskIndex, chType int) []*Result
- func (self *FastCutBasedPredictor) XHis(img *cv.BinaryImage) []int
type ImagePredictor
type Mask
- func NewMask(line string) *Mask
- func (self *Mask) FromString(line string)
- func (self *Mask) Match(src *cv.BinaryImage, srcLeft int, srcTop int) float64
- func (self *Mask) MatchChType(chType int) bool
- func (self *Mask) ToString() string
type MaskIndex
- func LoadMasks(folder string) *MaskIndex
- func NewMaskIndex() *MaskIndex
- func (self *MaskIndex) AddMask(mk *Mask)
- func (self *MaskIndex) Clear()
- func (self *MaskIndex) FindBestMatchedMasks(img *cv.BinaryImage, chType int, widthWeight int) []*Result
- func (self *MaskIndex) Masks() []*Mask
- func (self *MaskIndex) QueryMask(img *cv.BinaryImage) ([]int, bool)
type MetaPredictor
- func NewMetaPredictor() *MetaPredictor
- func (self *MetaPredictor) Predict(img image.Image, mki *MaskIndex, chType int) []*Result
type Result
- func GenerateResults(results [][]*Result) []*Result
- func NewResult(label string, weight float64) *Result
- func (self *Result) AddComponent(img *cv.BinaryImage)
- func (self *Result) GetWeight() float64
type ResultSorter
- func (ms ResultSorter) Len() int
- func (ms ResultSorter) Less(i, j int) bool
- func (ms ResultSorter) Swap(i, j int)
type TestImage
- func LoadTestImages(folder string) []*TestImage

Constants ¶

View Source

const (
	NUMBER, ALPHA, MIX = 0, 1, 2
)

View Source

const SCALE_HEIGHT = 32

Variables ¶

This section is empty.

Functions ¶

func CopyImage ¶

func CopyImage(img image.Image) image.Image

func FindBeginPos ¶

func FindBeginPos(img *cv.BinaryImage, beginX int) (int, int)

func FindEndPos ¶

func FindEndPos(img *cv.BinaryImage, beginX int) int

func GetChType ¶

func GetChType(buf string) int

func LoadImage ¶

func LoadImage(fname string) image.Image

func LoadImageFromFile ¶

func LoadImageFromFile(fname string) image.Image

func LoadImageFromURL ¶

func LoadImageFromURL(link string, proxy string, pageLink string) image.Image

func SaveImage ¶

func SaveImage(img image.Image, name string)

Types ¶

type BinaryImageConnectedComponentPredictor ¶

type BinaryImageConnectedComponentPredictor struct {
	Dx, Dy int
}

func (*BinaryImageConnectedComponentPredictor) Guess ¶

func (self *BinaryImageConnectedComponentPredictor) Guess(img *cv.BinaryImage, mki *MaskIndex, chType int) []*Result

type BinaryImagePredictor ¶

type BinaryImagePredictor interface {
	Guess(img *cv.BinaryImage, mki *MaskIndex, chType int) []*Result
}

type CaptchaHandler ¶

type CaptchaHandler struct {
	Masks *MaskIndex
	Links []string
}

func NewCaptchaHandler ¶

func NewCaptchaHandler() *CaptchaHandler

func (*CaptchaHandler) ServeHTTP ¶

func (self *CaptchaHandler) ServeHTTP(w http.ResponseWriter, req *http.Request)

type ConnectedComponentPredictor ¶

type ConnectedComponentPredictor struct {
	Dx, Dy int
}

func (*ConnectedComponentPredictor) Guess ¶

func (self *ConnectedComponentPredictor) Guess(img image.Image, mki *MaskIndex, chType int) []*Result

type Decoder ¶

type Decoder struct {
	ImageProcessors       []cv.ImageProcessor
	BiColorProcessor      cv.BiColorProcessor
	BinaryImageProcessors []cv.BinaryImageProcessor
	BinaryImagePredictor  BinaryImagePredictor
	ImagePredictor        ImagePredictor
}

func (*Decoder) Predict ¶

func (self *Decoder) Predict(img image.Image, mki *MaskIndex, chType int) []*Result

type FastCutBasedPredictor ¶

type FastCutBasedPredictor struct {
}

func (*FastCutBasedPredictor) CutMatrixByRect ¶

func (self *FastCutBasedPredictor) CutMatrixByRect(img *cv.BinaryImage, left, top, right, bottom int) *cv.BinaryImage

func (*FastCutBasedPredictor) FindNextSplitPoints ¶

func (self *FastCutBasedPredictor) FindNextSplitPoints(img *cv.BinaryImage, sx int, h []int) []int

func (*FastCutBasedPredictor) Guess ¶

func (self *FastCutBasedPredictor) Guess(img *cv.BinaryImage, mki *MaskIndex, chType int) []*Result

func (*FastCutBasedPredictor) XHis ¶

func (self *FastCutBasedPredictor) XHis(img *cv.BinaryImage) []int

type ImagePredictor ¶

type ImagePredictor interface {
	Guess(img image.Image, mki *MaskIndex, chType int) []*Result
}

type Mask ¶

type Mask struct {
	Img   *cv.BinaryImage
	Label string
}

func NewMask ¶

func NewMask(line string) *Mask

func (*Mask) FromString ¶

func (self *Mask) FromString(line string)

func (*Mask) Match ¶

func (self *Mask) Match(src *cv.BinaryImage, srcLeft int, srcTop int) float64

func (*Mask) MatchChType ¶

func (self *Mask) MatchChType(chType int) bool

func (*Mask) ToString ¶

func (self *Mask) ToString() string

type MaskIndex ¶

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

func LoadMasks ¶

func LoadMasks(folder string) *MaskIndex

func NewMaskIndex ¶

func NewMaskIndex() *MaskIndex

func (*MaskIndex) AddMask ¶

func (self *MaskIndex) AddMask(mk *Mask)

func (*MaskIndex) Clear ¶

func (self *MaskIndex) Clear()

func (*MaskIndex) FindBestMatchedMasks ¶

func (self *MaskIndex) FindBestMatchedMasks(img *cv.BinaryImage, chType int, widthWeight int) []*Result

func (*MaskIndex) Masks ¶

func (self *MaskIndex) Masks() []*Mask

func (*MaskIndex) QueryMask ¶

func (self *MaskIndex) QueryMask(img *cv.BinaryImage) ([]int, bool)

type MetaPredictor ¶

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

func NewMetaPredictor ¶

func NewMetaPredictor() *MetaPredictor

func (*MetaPredictor) Predict ¶

func (self *MetaPredictor) Predict(img image.Image, mki *MaskIndex, chType int) []*Result

type Result ¶

type Result struct {
	Label      string
	Weight     float64
	Components []*cv.BinaryImage
}

func GenerateResults ¶

func GenerateResults(results [][]*Result) []*Result

func NewResult ¶

func NewResult(label string, weight float64) *Result

func (*Result) AddComponent ¶

func (self *Result) AddComponent(img *cv.BinaryImage)

func (*Result) GetWeight ¶

func (self *Result) GetWeight() float64

type ResultSorter ¶

type ResultSorter []*Result

func (ResultSorter) Len ¶

func (ms ResultSorter) Len() int

func (ResultSorter) Less ¶

func (ms ResultSorter) Less(i, j int) bool

func (ResultSorter) Swap ¶

func (ms ResultSorter) Swap(i, j int)

type TestImage ¶

type TestImage struct {
	Label  string
	ChType int
	Img    image.Image
	Path   string
}

func LoadTestImages ¶

func LoadTestImages(folder string) []*TestImage

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
bin
cv

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