RectLabel
An offline image annotation tool for object detection and segmentation.
To download RectLabel apps.
Post the problem to our Github issues.
Have questions? Send an email to support@rectlabel.com.
Thank you.
Projects
A project contains an objects table and an attributes table.
- To switch the project, check on the “Primary” check box.
- To import projects, use RectLabel menu -> Import settings file.
Objects
The objects table describes each object name and the object index.
- You can assign 0-9 number keys and A-Z alphabet keys to object names.
- To import objects, use Export menu -> Import an object names from a file. You can drag & drop an object names file to the objects table.
- Right clicking on the objects table header, “Sort alphabetically” menu appears.
Attributes
The label “sneakers-converse-yellow” is a combination of the object name and attribute names.
- ’-‘ is used as a separator so that ‘-‘ in the object name and attribute name is replaced with ‘_’.
- If any objects are not using attributes, ‘-‘ in the object name is not replaced with ‘_’.
- The prefix is used such as ‘-‘ + prefix + attribute name.
- The attribute types are “Single select”, “Multiple select”, and “Text input”.
- You can assign 0-9 number keys and A-Z alphabet keys to attribute names.
- Right clicking on the attributes table header, “Sort alphabetically” menu appears.
Hotkeys
Customize hotkeys to make your labeling work faster.
Label fast
Customize settings to make your labeling work faster.
- “Auto save” is to skip the confirmation dialog when save.
- “Auto copy from previous image” is to copy annotations from the previous image.
- “Skip backup dialog when overwrite” is to skip the backup dialog when overwrite.
- “Clear existing labels when auto label all images” is to clear existing labels when auto label all images.
- “Skip label dialog when create” is to skip the label dialog when create.
- “Close label dialog when select” is to close the label dialog when select an object name.
- “Change label when press an object/attribute hotkey” is to change the label using hotkeys.
- “Add an image label when press an object hotkey” is to add an image label using hotkeys.
- “Use 1-click buttons” is to show 1-click buttons of object names on the label dialog.
- “Maintain zoom and position” is to maintain zoom and position when you change the image.
- “Do not move image position” is to fix the image position.
- “Show circle edit points” is to show circle edit points instead of rectangle edit points.
- “Show all edit points” is to show edit points of all objects.
- “Show edit points between box corners” is to show edit points between box corners.
- “Show the first point of the box” is to show the first point of the box.
- “Click 4 points when draw boxes” is to draw a box clicking xmin, xmax, ymin, and ymax of the object.
- “Use truncated, occluded, and difficult tags” is to show truncated, occluded, and difficult checkboxes on the label dialog.
- “Rotate boxes as rotated boxes when augment” is to rotate boxes as rotated boxes when augment.
- “Separate merged polygons when read YOLO format” is to separate merged polygons when read YOLO format.
- “Save confidence values when YOLO format” is to save confidence values when YOLO format.
- “Save as floating-point values” is to save coordinates as floating-point values.
- “Use English as an app language” is to change the app language to English.
Export/Import settings file
You can export the current settings file and import to another computer.
Open app folder
You can open an app folder and delete the cache files.