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feat: add display record command and refactor training command

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This commit is contained in:
Cyrille Nofficial
2022-06-09 12:19:54 +02:00
parent 02db9e241e
commit 8b8d53af58
8 changed files with 255 additions and 47 deletions
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42
pkg/data/data.go
View File

@ -19,8 +19,8 @@ import (
var camSubDir = "cam"
func WriteArchive(basedir string, archiveName string, sliceSize int, flipImages bool) error {
content, err := BuildArchive(basedir, sliceSize, flipImages)
func WriteArchive(basedir string, archiveName string, sliceSize int, imgWidth, imgHeight int, horizon int, flipImages bool) error {
content, err := BuildArchive(basedir, sliceSize, imgWidth, imgHeight, horizon, flipImages)
if err != nil {
return fmt.Errorf("unable to build archive: %w", err)
}
@ -34,7 +34,7 @@ func WriteArchive(basedir string, archiveName string, sliceSize int, flipImages
return nil
}
func BuildArchive(basedir string, sliceSize int, flipImages bool) ([]byte, error) {
func BuildArchive(basedir string, sliceSize int, imgWidth, imgHeight int, horizon int, flipImages bool) ([]byte, error) {
l := zap.S()
l.Infof("build zip archive from %s\n", basedir)
dirItems, err := ioutil.ReadDir(basedir)
@ -59,7 +59,7 @@ func BuildArchive(basedir string, sliceSize int, flipImages bool) ([]byte, error
return nil, fmt.Errorf("unable to find index in cam image name %v: %w", img.Name(), err)
}
l.Debugf("found image with index %v", idx)
records = append(records, path.Join(basedir, dirItem.Name(), fmt.Sprintf(record.RecorNameFormat, idx)))
records = append(records, path.Join(basedir, dirItem.Name(), fmt.Sprintf(record.FileNameFormat, idx)))
imgCams = append(imgCams, path.Join(basedir, dirItem.Name(), camSubDir, img.Name()))
}
}
@ -73,12 +73,12 @@ func BuildArchive(basedir string, sliceSize int, flipImages bool) ([]byte, error
// Create a new zip archive.
w := zip.NewWriter(buf)
err = buildArchiveContent(w, imgCams, records, false)
err = buildArchiveContent(w, imgCams, records, imgWidth, imgHeight, horizon, false)
if err != nil {
return nil, fmt.Errorf("unable to build archive: %w", err)
}
if flipImages {
err = buildArchiveContent(w, imgCams, records, true)
err = buildArchiveContent(w, imgCams, records, imgWidth, imgHeight, horizon, true)
if err != nil {
return nil, fmt.Errorf("unable to build archive: %w", err)
}
@ -132,13 +132,13 @@ func findNamedMatches(regex *regexp.Regexp, str string) map[string]string {
return results
}
func buildArchiveContent(w *zip.Writer, imgFiles []string, recordFiles []string, withFlipImages bool) error {
func buildArchiveContent(w *zip.Writer, imgFiles []string, recordFiles []string, imgWidth, imgHeight int, horizon int, withFlipImages bool) error {
err := addJsonFiles(recordFiles, imgFiles, withFlipImages, w)
if err != nil {
return fmt.Errorf("unable to write json files in zip archive: %w", err)
}
err = addCamImages(imgFiles, withFlipImages, w)
err = addCamImages(imgFiles, withFlipImages, w, imgWidth, imgHeight, horizon)
if err != nil {
return fmt.Errorf("unable to cam files in zip archive: %w", err)
}
@ -146,7 +146,7 @@ func buildArchiveContent(w *zip.Writer, imgFiles []string, recordFiles []string,
return err
}
func addCamImages(imgFiles []string, flipImage bool, w *zip.Writer) error {
func addCamImages(imgFiles []string, flipImage bool, w *zip.Writer, imgWidth, imgHeight int, horizon int) error {
for _, im := range imgFiles {
imgContent, err := ioutil.ReadFile(im)
if err != nil {
@ -154,17 +154,29 @@ func addCamImages(imgFiles []string, flipImage bool, w *zip.Writer) error {
}
_, imgName := path.Split(im)
if flipImage {
if flipImage || imgWidth > 0 && imgHeight > 0 || horizon > 0 {
img, _, err := image.Decode(bytes.NewReader(imgContent))
if err != nil {
zap.S().Fatalf("unable to decode peg image: %v", err)
zap.S().Fatalf("unable to decode jpeg image: %v", err)
}
imgFlip := imaging.FlipH(img)
var bytesBuff bytes.Buffer
err = jpeg.Encode(&bytesBuff, imgFlip, nil)
if imgWidth > 0 && imgHeight > 0 {
bounds := img.Bounds()
if bounds.Dx() != imgWidth || bounds.Dy() != imgWidth {
zap.S().Debugf("resize image %v from %dx%d to %dx%d", im, bounds.Dx(), bounds.Dy(), imgWidth, imgHeight)
img = imaging.Resize(img, imgWidth, imgHeight, imaging.NearestNeighbor)
}
}
if flipImage {
img = imaging.FlipH(img)
imgName = fmt.Sprintf("flip_%s", imgName)
}
if horizon > 0 {
img = imaging.Crop(img, image.Rect(0, horizon, img.Bounds().Dx(), img.Bounds().Dy()))
}
var bytesBuff bytes.Buffer
err = jpeg.Encode(&bytesBuff, img, nil)
imgContent = bytesBuff.Bytes()
imgName = fmt.Sprintf("flip_%s", imgName)
}
err = addToArchive(w, imgName, imgContent)

2
pkg/data/data_test.go
View File

@ -29,7 +29,7 @@ func TestBuildArchive(t *testing.T) {
expectedRecordFiles, expectedImgFiles := expectedFiles()
err = WriteArchive("testdata", archive, 0)
err = WriteArchive("testdata", archive, 0, 160, 120, 0, false)
if err != nil {
t.Errorf("unable to build archive: %v", err)
}