fisheye

package

v0.0.0-...-5672997 Latest Latest Go to latest Published: May 25, 2024 License: Apache-2.0 Imports: 6 Imported by: 0

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var (
	ErrDetectDistance = errors.New("fisheye: can not detect distance")
)

func ApplyFishEye(dest draw.Image, src image.Image, distance int) draw.Image

ApplyFishEye applies the fish eye effect to the image.

func FindDistance(src image.Image, testRowIndex int) (image.Image, int)

FindDistance finds the distance of the fish eye effect.

func GenFile(path string, testRowIndex int) (image.Image, error)

func MakeNoise(img image.Image, distance int, factory func() draw.Image) draw.Image

MakeNoise applies the fish eye effect to the image, and then tries to remove the fish eye effect from the image.

The image will be used as the input for training the model.

func RemoveFishEye(dest draw.Image, src image.Image, distance int) draw.Image

RemoveFishEye try to remove the fish eye effect from the image. The image still be loss some pixels at the center

func WhitePoints(src image.Image, y int) int

WhitePoints returns the number of white points at the y-axis.

type FisheyePreprocessor struct {
	TestRowIndex int
}

func NewPreprocessor() *FisheyePreprocessor

func (p *FisheyePreprocessor) Transform(_ context.Context, img image.Image) (image.Image, error)

Transform implements the Preprocessor interface.