Kentaro Wada 612b40df6f Update labelme2voc.py and labelme2coco.py accordingly		5 rokov pred
..
.readme	4d4d26ef04 Update README.md	6 rokov pred
data_annotated	3936c55023 Add group_id for shape annotation	5 rokov pred
data_dataset_voc	0644d0c6b5 Update examples/**/data_dataset_voc	5 rokov pred
README.md	b3c67fec36 Add --validatelabel to labelme	5 rokov pred
labelme2voc.py	612b40df6f Update labelme2voc.py and labelme2coco.py accordingly	5 rokov pred
labels.txt	43c442db27 Add example of semantic_segmentation	7 rokov pred

Semantic Segmentation Example

Annotation

labelme data_annotated --labels labels.txt --nodata --validatelabel exact

Convert to VOC-format Dataset

# It generates:
#   - data_dataset_voc/JPEGImages
#   - data_dataset_voc/SegmentationClass
#   - data_dataset_voc/SegmentationClassVisualization
./labelme2voc.py data_annotated data_dataset_voc --labels labels.txt

Fig 1. JPEG image (left), PNG label (center), JPEG label visualization (right)

Note that the label file contains only very low label values (ex. 0, 4, 14), and 255 indicates the __ignore__ label value (-1 in the npy file).
You can see the label PNG file by following.

labelme_draw_label_png data_dataset_voc/SegmentationClassPNG/2011_000003.png

README.md

Semantic Segmentation Example

Annotation

Convert to VOC-format Dataset