Performing the task

Step 1: Accessing a Job in the Task

1. Open the Task:

   • From the Tasks tab, locate the desired task and click the "Open" button to access it.

2. Select a Job:

   • Inside the task, you will see several jobs listed (e.g., Job#xxxx).

   • Click on a job to start the annotation process.

Step 2: Understanding the Job and Video Frames

1. Video Frames:

   • Each job contains a video broken down into individual frames for annotation.

   • You will work frame-by-frame to mark specific items based on the task instructions.

2. Current Annotation Tasks:

   • Smoke and Fire: Identify and annotate regions with visible smoke or fire.

   • Hand and Object: Annotate hands and the objects they interact with.

   • Safety Hat and Vest: Mark individuals wearing safety hats and vests, or note their absence.

   • People and Vehicle: Annotate people and vehicles, differentiating between the two categories.

Step 3: Using the Annotation Tool

1. Navigating Frames:

   • Press F: Move to the next frame.

   • Press D: Move to the previous frame.

2. Annotating Items:

   • Press N: Activate the rectangle tool for annotation.

   • Draw a bounding box around the item based on the task's requirements.

     • Example: For Smoke and Fire, draw a rectangle over the visible smoke or flames in the frame.

3. Adjusting the Annotation:

   • After drawing, you can resize or move the bounding box to ensure it accurately covers the item.

Step 4: Completing the Job

1. Review all frames to ensure no relevant details are missed.

2. Save your progress regularly using the save button in the annotation tool.

---

Tips for Efficiency

• Familiarize yourself with keyboard shortcuts to speed up navigation and annotation.

• Cross-check the task instructions to ensure accurate annotations.

• Use the zoom and pan tools for detailed annotations in complex frames.