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landmarks.go
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/
landmarks.go
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package face
import (
"embed"
"errors"
"path/filepath"
pigo "github.com/esimov/pigo/core"
)
//go:embed cascade/lps
var efs embed.FS
// FlpCascade holds the binary representation of the facial landmark points cascade files
type FlpCascade struct {
*pigo.PuplocCascade
error
}
// ReadCascadeDir reads the facial landmark points cascade files from the provided directory.
func ReadCascadeDir(plc *pigo.PuplocCascade, path string) (result map[string][]*FlpCascade, err error) {
result = make(map[string][]*FlpCascade)
cascades, err := efs.ReadDir(path)
if len(cascades) == 0 {
return result, errors.New("the cascade directory is empty")
}
if err != nil {
return nil, err
}
for _, cascade := range cascades {
cf := filepath.Join(path, cascade.Name())
f, err := efs.ReadFile(cf)
if err != nil {
return result, err
}
flpc, err := plc.UnpackCascade(f)
if err != nil {
return result, err
}
result[cascade.Name()] = append(result[cascade.Name()], &FlpCascade{flpc, err})
}
return result, err
}