Files
openvision/go/examples/pose/main.go

104 lines
2.2 KiB
Go

package main
import (
"bytes"
"fmt"
"image"
"image/jpeg"
"log"
"os"
"os/user"
"path/filepath"
"strings"
"github.com/bububa/openvision/go/common"
"github.com/bububa/openvision/go/pose/detecter"
posedrawer "github.com/bububa/openvision/go/pose/drawer"
)
func main() {
wd, _ := os.Getwd()
dataPath := cleanPath(wd, "~/go/src/github.com/bububa/openvision/data")
imgPath := filepath.Join(dataPath, "./images")
modelPath := filepath.Join(dataPath, "./models")
common.CreateGPUInstance()
defer common.DestroyGPUInstance()
cpuCores := common.GetBigCPUCount()
common.SetOMPThreads(cpuCores)
log.Printf("CPU big cores:%d\n", cpuCores)
d := ultralightDetector(modelPath)
defer d.Destroy()
common.SetEstimatorThreads(d, cpuCores)
detect(d, imgPath, "ultralight-pose3.jpg")
}
func ultralightDetector(modelPath string) detecter.Detecter {
modelPath = filepath.Join(modelPath, "ultralight-pose")
d := detecter.NewUltralight()
if err := d.LoadModel(modelPath); err != nil {
log.Fatalln(err)
}
return d
}
func detect(d detecter.Detecter, imgPath string, filename string) {
inPath := filepath.Join(imgPath, filename)
img, err := loadImage(inPath)
if err != nil {
log.Fatalln("load image failed,", err)
}
rois, err := d.ExtractKeypoints(common.NewImage(img))
if err != nil {
log.Fatalln(err)
}
outPath := filepath.Join(imgPath, "./results", fmt.Sprintf("pose-%s", filename))
drawer := posedrawer.New()
out := drawer.Draw(img, rois, true)
if err := saveImage(out, outPath); err != nil {
log.Fatalln(err)
}
}
func loadImage(filePath string) (image.Image, error) {
fn, err := os.Open(filePath)
if err != nil {
return nil, err
}
defer fn.Close()
img, _, err := image.Decode(fn)
if err != nil {
return nil, err
}
return img, nil
}
func saveImage(img image.Image, filePath string) error {
buf := new(bytes.Buffer)
if err := jpeg.Encode(buf, img, nil); err != nil {
return err
}
fn, err := os.Create(filePath)
if err != nil {
return err
}
defer fn.Close()
fn.Write(buf.Bytes())
return nil
}
func cleanPath(wd string, path string) string {
usr, _ := user.Current()
dir := usr.HomeDir
if path == "~" {
return dir
} else if strings.HasPrefix(path, "~/") {
return filepath.Join(dir, path[2:])
}
return filepath.Join(wd, path)
}