Freelancer
Tasks Draw boxes around objects in each video frame and track the same object as it moves through the video Mark when an action starts and ends (i.e walking, stopping, traffic lights road crossings) Keep labels consistent across frames Scope of Work Frame-by-frame annotation using provided tools, maintain object identity throughout the video Follow strict rules for object movement and occlusion Project Size The video clips were short about 5–30 seconds. Each clip may contain hundreds of frames and projects often included hundreds of videos Quality Measures Accuracy of boxes across frames was checked and inconsistent tracking would most likely lower quality score Random reviews and automatic checks were applied