images

package module

v1.0.2 Latest Latest Go to latest Published: Feb 10, 2021 License: MIT Imports: 12 Imported by: 0

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Repository

gitee.com/xuender/images

Links

Open Source Insights

README ¶

images

图像处理类库，基于模板的图片匹配

函数

Decode png解码
SubImage 获取图片局部
Distance 图片距离

结构

Dot 点距离
Dots 点距离数组
DotSet 点Set集合
Match 图片模板匹配

用法

go run cmd/match/main.go -s 12 -d 7 i1.png i2.png out.png
2021/02/06 11:40:18 开始识别图片 [ i1.png ] 中的 [ i2.png ]
2021/02/06 11:40:20 找到匹配: 11 处
2021/02/06 11:40:20 坐标: 658,155,      差距: 0
2021/02/06 11:40:20 坐标: 658,181,      差距: 0
2021/02/06 11:40:20 坐标: 658,207,      差距: 0
2021/02/06 11:40:20 坐标: 658,233,      差距: 0
2021/02/06 11:40:20 坐标: 658,259,      差距: 0
2021/02/06 11:40:20 坐标: 658,285,      差距: 0
2021/02/06 11:40:20 坐标: 658,311,      差距: 0
2021/02/06 11:40:20 坐标: 658,337,      差距: 0
2021/02/06 11:40:20 坐标: 658,77,       差距: 3
2021/02/06 11:40:20 坐标: 658,129,      差距: 6
2021/02/06 11:40:20 坐标: 658,104,      差距: 7
2021/02/06 11:40:20 保存图片:  out.png

Documentation ¶

Index ¶

Variables
func Abs(i int) int
func Decode(file string) (image.Image, error)
func DecodeBytes(bs []byte) (image.Image, error)
func Distance(a image.Image, b image.Image) (int, error)
func Rect(img draw.Image, r image.Rectangle, c color.Color)
func Save(img image.Image, file string) error
func SubImage(img image.Image, r image.Rectangle) (image.Image, error)
func ToGray(img image.Image) image.Image
type Dot
- func (d *Dot) Space(o *Dot) int
- func (d *Dot) String() string
type DotSet
- func (d DotSet) Add(x, y int)
- func (d DotSet) Has(x, y int) (h bool)
type Dots
- func (d Dots) Len() int
- func (d Dots) Less(i, j int) bool
- func (d Dots) Match(size, distance int) Dots
- func (d Dots) String() string
- func (d Dots) Swap(i, j int)
- func (d Dots) Top(size, distance int) Dots
type Match
- func NewFastMatch(target image.Image, template image.Image) (*Match, error)
- func NewMatch(target image.Image, template image.Image) (*Match, error)
- func (m *Match) Match() ([]*Dot, error)
type StringSet
- func (s StringSet) Add(str string)
- func (s StringSet) Has(str string) (h bool)

Constants ¶

This section is empty.

Variables ¶

View Source

var ErrorNotFound = errors.New("没找到")

ErrorNotFound 没找到.

View Source

var ErrorSize = errors.New("目标图片小于模板图片")

ErrorSize 图片尺寸错误.

View Source

var ErrorType = errors.New("不支持的图片类型")

ErrorType 不支持的图片类型.

Functions ¶

func Abs ¶

func Abs(i int) int

Abs 绝对值.

func Decode ¶

func Decode(file string) (image.Image, error)

Decode 图片解码.

func DecodeBytes ¶ added in v1.0.1

func DecodeBytes(bs []byte) (image.Image, error)

DecodeBytes 字节转换图片.

func Distance ¶

func Distance(a image.Image, b image.Image) (int, error)

Distance 图片距离.

func Rect ¶

func Rect(img draw.Image, r image.Rectangle, c color.Color)

Rect 绘制矩形.

func Save ¶

func Save(img image.Image, file string) error

Save 保存图片.

func SubImage ¶

func SubImage(img image.Image, r image.Rectangle) (image.Image, error)

SubImage 局部.

func ToGray ¶ added in v1.0.2

func ToGray(img image.Image) image.Image

ToGray 转换成灰度.

Types ¶

type Dot ¶

type Dot struct {
	X        int
	Y        int
	Distance int
}

Dot 点.

func (*Dot) Space ¶

func (d *Dot) Space(o *Dot) int

Space 距离.

func (*Dot) String ¶

func (d *Dot) String() string

String 点.

type DotSet ¶

type DotSet map[int64]struct{}

DotSet 点集合.

func (DotSet) Add ¶

func (d DotSet) Add(x, y int)

Add 增加.

func (DotSet) Has ¶

func (d DotSet) Has(x, y int) (h bool)

Has 包含.

type Dots ¶

type Dots []*Dot

Dots 点组.

func (Dots) Len ¶

func (d Dots) Len() int

Len 长度.

func (Dots) Less ¶

func (d Dots) Less(i, j int) bool

Less 比较.

func (Dots) Match ¶

func (d Dots) Match(size, distance int) Dots

Match 匹配.

func (Dots) String ¶

func (d Dots) String() string

String 点组.

func (Dots) Swap ¶

func (d Dots) Swap(i, j int)

Swap 交换.

func (Dots) Top ¶

func (d Dots) Top(size, distance int) Dots

Top 前几个.

type Match ¶

type Match struct {
	Ratio     int
	Distance  int
	Size      int
	FuzzySize int
	// contains filtered or unexported fields
}

Match 匹配.

func NewFastMatch ¶ added in v1.0.2

func NewFastMatch(target image.Image, template image.Image) (*Match, error)

NewFastMatch 快速匹配.

func NewMatch ¶

func NewMatch(target image.Image, template image.Image) (*Match, error)

NewMatch 新建匹配.

func (*Match) Match ¶

func (m *Match) Match() ([]*Dot, error)

Match 匹配.

type StringSet ¶

type StringSet map[string]struct{}

StringSet 字符串集合.

func (StringSet) Add ¶

func (s StringSet) Add(str string)

Add 增加.

func (StringSet) Has ¶

func (s StringSet) Has(str string) (h bool)

Has 包含.

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
cmd
gray
match

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