mot

package

v0.1.2 Latest Latest Go to latest Published: Oct 31, 2023 License: Apache-2.0 Imports: 5 Imported by: 0

Details

Valid go.mod file

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Repository

github.com/LdDl/mot-go

Links

Open Source Insights

Documentation ¶

Index ¶

type Blobie
type Point
- func NewPoint(x, y float64) Point
- func NewPointFrom(point image.Point) Point
type Rectangle
- func NewRect(x, y, height, width float64) Rectangle
- func NewRectFrom(rect image.Rectangle) Rectangle
type SimpleBlob
type SimpleTracker
- func NewNewSimpleTracker(minDistThreshold float64, maxNoMatch int) *SimpleTracker
- func NewSimpleTrackerDefault() *SimpleTracker
- func (tracker *SimpleTracker) MatchObjects(newObjects []*SimpleBlob) error

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Blobie ¶

type Blobie interface {
	TrackLen() int
	Exists() bool
	IncNoMatch()
	DecNoMatch()
	PredictNextPositionNaive(depth int)
}

type Point ¶

type Point struct {
	X float64
	Y float64
}

func NewPoint ¶

func NewPoint(x, y float64) Point

func NewPointFrom ¶

func NewPointFrom(point image.Point) Point

type Rectangle ¶

type Rectangle struct {
	X      float64
	Y      float64
	Width  float64
	Height float64
}

func NewRect ¶

func NewRect(x, y, height, width float64) Rectangle

func NewRectFrom ¶

func NewRectFrom(rect image.Rectangle) Rectangle

type SimpleBlob ¶

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

func NewSimpleBlob ¶

func NewSimpleBlob(currentBbox Rectangle) *SimpleBlob

func NewSimpleBlobWithCenterTime ¶ added in v0.1.1

func NewSimpleBlobWithCenterTime(currentCenter Point, currentBbox Rectangle, dt float64) *SimpleBlob

func NewSimpleBlobWithTime ¶

func NewSimpleBlobWithTime(currentBbox Rectangle, dt float64) *SimpleBlob

func (*SimpleBlob) Activate ¶

func (blob *SimpleBlob) Activate()

Activate activates blob

func (*SimpleBlob) Deactivate ¶

func (blob *SimpleBlob) Deactivate()

Deactivate deactivates blob

func (*SimpleBlob) DistanceTo ¶

func (blob *SimpleBlob) DistanceTo(otherBlob *SimpleBlob) float64

DistanceTo returns distance to other blob (center to center)

func (*SimpleBlob) DistanceToPredicted ¶

func (blob *SimpleBlob) DistanceToPredicted(otherBlob *SimpleBlob) float64

DistanceToPredicted returns distance to other blob (predicted center to predicted center)

func (*SimpleBlob) GetBBox ¶

func (blob *SimpleBlob) GetBBox() Rectangle

GetBBox returns blob's current bounding box

func (*SimpleBlob) GetCenter ¶

func (blob *SimpleBlob) GetCenter() Point

GetCenter returns blob's current center

func (*SimpleBlob) GetDiagonal ¶

func (blob *SimpleBlob) GetDiagonal() float64

GetDiagonal returns blob's estimated diagonal

func (*SimpleBlob) GetID ¶

func (blob *SimpleBlob) GetID() uuid.UUID

GetID returns blob's indentifier

func (*SimpleBlob) GetMaxTrackLen ¶

func (blob *SimpleBlob) GetMaxTrackLen() int

GetMaxTrackLen returns blob's max track length

func (*SimpleBlob) GetNoMatchTimes ¶

func (blob *SimpleBlob) GetNoMatchTimes() int

GetNoMatchTimes returns blob's no match times

func (*SimpleBlob) GetTrack ¶

func (blob *SimpleBlob) GetTrack() []Point

GetTrack returns blob's current track. Be careful: this is not copy of track, but reference to it

func (*SimpleBlob) IncNoMatch ¶

func (blob *SimpleBlob) IncNoMatch()

IncNoMatch increases blob's no match times

func (*SimpleBlob) PredictNextPosition ¶

func (blob *SimpleBlob) PredictNextPosition()

PredictNextPosition execute Kalman filter's first step but without re-evaluating state vector based on Kalman gain

func (*SimpleBlob) SetID ¶

func (blob *SimpleBlob) SetID(newID uuid.UUID)

SetID sets blob's indentifier

func (*SimpleBlob) SetMaxTrackLen ¶

func (blob *SimpleBlob) SetMaxTrackLen(newMaxTrackLen int)

SetMaxTrackLen sets blob's max track length

func (*SimpleBlob) Update ¶

func (blob *SimpleBlob) Update(newBlob *SimpleBlob) error

Update updates blob's position and execute Kalman filter's second step (evalute state vector based on Kalman gain)

type SimpleTracker ¶

type SimpleTracker struct {
	// Main storage
	Objects map[uuid.UUID]*SimpleBlob
	// contains filtered or unexported fields
}

SimpleTracker is naive implementation of Multi-object tracker (MOT)

func NewNewSimpleTracker ¶

func NewNewSimpleTracker(minDistThreshold float64, maxNoMatch int) *SimpleTracker

NewSimpleTracker creates new instance of SimpleTracker

func NewSimpleTrackerDefault ¶

func NewSimpleTrackerDefault() *SimpleTracker

NewSimpleTrackerDefault creates default instance of SimpleTracker

func (*SimpleTracker) MatchObjects ¶

func (tracker *SimpleTracker) MatchObjects(newObjects []*SimpleBlob) error

Source Files ¶

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