imageutil

package

v0.6.5 Latest Latest Go to latest Published: Mar 17, 2026 License: Apache-2.0 Imports: 7 Imported by: 0

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func LoadImagesFromPaths(paths []string) ([]image.Image, error)

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

func CenterCropStep(targetWidth, targetHeight int) *CenterCropPreprocessor

func (s *CenterCropPreprocessor) Apply(img image.Image) (image.Image, error)

type NormalizationStep interface {
	Apply(r, g, b float32) (float32, float32, float32)
}

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

func CLIPPixelNormalizationStep() *PixelNormalizationPreprocessor

CLIPPixelNormalizationStep returns CLIP's normalization values. Use after RescaleStep() to normalize to 0-1 range first.

func ImagenetPixelNormalizationStep() *PixelNormalizationPreprocessor

func PixelNormalizationStep(mean, std [3]float32) *PixelNormalizationPreprocessor

func (s *PixelNormalizationPreprocessor) Apply(r, g, b float32) (float32, float32, float32)

type PreprocessStep interface {
	Apply(img image.Image) (image.Image, error)
}

type RescalePreprocessor struct{}

func RescaleStep() *RescalePreprocessor

func (s *RescalePreprocessor) Apply(r, g, b float32) (float32, float32, float32)

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

func ResizeStep(targetSize int) *ResizePreprocessor

func (s *ResizePreprocessor) Apply(img image.Image) (image.Image, error)