Image Annotation
Annotation process description:
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Determine whether the task is invalid; if so, click skip to proceed to the next image. If valid, when there are annotation tasks (object detection, semantic segmentation, line annotation, point annotation), the annotation tools and configuration are consistent.
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On the global labels, you can select the pre-configured "label classification" to tag the entire image or provide a text explanation for the image under "text description".
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For specific markings, first click the "tool style" in the upper left corner to select the marking method. After completing the style of the mark in the image, synchronize it in the label column on the right. The name of this label and other information can be modified manually by clicking on it.
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Click on the label result in the label result management column on the right to select the corresponding mark in the image. The selected tool in the toolbar switches to the label result tool. Click "modify" for detailed information to drop down and select the label name; click the "hide" button to hide this marking information; click the "delete" button to delete this marking information.
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Choose "Next", go to the next image.
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Repeat steps 1-5 until the annotation is complete.
Global tools
Image tools
Tool introduction
| Tool Style | Usage Method |
|---|---|
| Draw-box annotation | 1. Select the draw-box tool and configure the labels, such as cars, buses. 2. Click the left mouse button to annotate the first point, draw out the range of the box and click the left button again to draw the box. 3. After right-clicking to select the box, you can adjust the size and validity of the box or delete the annotated box. |
| Point annotation | 1. Select the point tool and configure the labels, such as 14 key points of human posture, including head, neck, left shoulder, right shoulder, left elbow, right elbow, left wrist, right wrist, left hip, right hip, left knee, right knee, left ankle, right ankle. 2. Click the left mouse button to annotate the specified key points. 3. After right-clicking to select a point, you can adjust the position and attributes of the point or delete the annotated point. |
| Polygon annotation | 1. Select the polygon tool and configure the labels, such as cats, dogs. 2. Click the left mouse button to annotate the starting point, then click the left button multiple times along the target edge. After right-clicking close to the starting point around the target edge, you can draw a polygon frame. 3. After right-clicking to select the frame, you can adjust the key points of the target edge, line segments, target validity or delete the annotated polygon frame. |
| Line annotation | 1. Select the line tool and configure the labels, such as lane lines. 2. Click the left mouse button to annotate the starting point, then click again after 1+N for the end point. 3. Operating Shift + left button results in a vertical or horizontal line. |
| Cuboid | 1. Select the Cuboid tool and configure the label, such as "Car." 2. Click the left mouse button to mark the first point, then click again after drawing the range of the cuboid to create the front face. 3. Move the mouse to bring out the tail face (same as the front face), and click the left mouse button to complete. 4.Click to switch between the front and back faces and to change other orientations. 5.Right-click on the Cuboid after selecting it to adjust the positions of the eight points and six lines (four lines on the front face and two pillar lines on the tail face), or to delete the annotated Cuboid. |
In the process of marking, you can click "undo" to return to the previous step, you can also turn on the "display order" button to see the order of marking. For image adjustment, you can click the "image adjustment" button at the bottom left to adjust values such as saturation, contrast, and exposure.
All of the above operations can be implemented through shortcut keys. The specific operation can be viewed by clicking the "shortcut" button in the upper left corner.