Update README.md

examples/instance_segmentation/README.md

@@ -5,3 +5,20 @@
 ```bash
 labelme data_annotated --labels labels.txt --nodata
 ```
+
+![](.readme/annotation.jpg)
+
+## Convert to VOC-like Dataset
+
+```bash
+# It generates:
+#   - data_dataset_voc/JPEGImages
+#   - data_dataset_voc/SegmentationClass
+#   - data_dataset_voc/SegmentationClassVisualization
+#   - data_dataset_voc/SegmentationObject
+#   - data_dataset_voc/SegmentationObjectVisualization
+./labelme2voc.py labels.txt data_annotated data_dataset_voc
+```
+
+<img src="data_dataset_voc/JPEGImages/2011_000003.jpg" width="33%" /> <img src="data_dataset_voc/SegmentationClassVisualization/2011_000003.jpg" width="33%" /> <img src="data_dataset_voc/SegmentationObjectVisualization/2011_000003.jpg" width="33%" />  
+Fig 1. JPEG image (left), JPEG class label visualization (center), JPEG instance label visualization (right)