Labeling/Reviewing Panel
After a user is assigned as a labeler or reviewer, clicking the "Start Working" will direct him/her to the labeling panel (work as labeler) or reviewing panel (work as reviewer) according to his/her profession.
Labeling Panel
The layout of the labeling panel can be divided into four sections:
Top bar
Above the canvas: the labeling tool in accordance with the shape of the class. For example, the labeling tool includes "auto," "brush," "polygon," or "eraser," for segmentation, and "add vertex," "remove vertex," and "move" for polygon.
Right side: leave the labeling panel and go back to the Task Overview.
Left bar: supporting items, including labeling instructions and hotkey panels.
Right bar: The tag to label, the class to label, and the annotation object lists.
Bottom bar: The display control including zoom in and zoom out.
Supported Shape
Currently, the following shape is supported:
segmentation - which can be annotated by autosegmetation, brush or polygon.
bounding box
polygon.
Reviewing Panel
The reviewing panel provides the same editing functions as the labeling panel, enabling a reviewer to create, edit, or delete annotation objects.
In addition, the reviewing panel has "Approve" and "Reject" buttons, allowing reviewers to determine the next station of this file.
A rejected file will be returned to the label station to rework.
An approved file will be marked as "done" and its annotation objects can be saved as Ground Truth.
Labeling/Reviewing Task for Frame/Sequence Data Slice
While the data slice in a task is frame or sequence, each frame or sequence in a frame data slice or sequence data slice will be dispatched to one labeler/reviewer.
In addition, for sequence task, there is a tool called "copy annotations from previous page" - and as its name suggests, this tool will help users to duplicate the annotations, including all the filled attributes, from the previous page to this page.
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