So far, [...] out of [...] videos are fully labeled, and [...] videos are partially labeled (learn more). You have reviewed [...] pages, of which [...] have passed the quality check (learn more). Please help us improve this tool via our Survey Study!

(Good job! Your previous batch passed the system's quality check!)

Sign In My Contribution

Each video is 3 seconds. Click or tap to select videos that have smoke. Click or tap again to deselect. Skip a video if you are not sure whether it has smoke.

Sign in to track your personal achievements.

Hi , thank you for signing in. Your user ID is .

Video autoplay is disabled. Please enable it.

Found smoke labeling difficult? Try our tutorial!