Heads of people

Common errors

Examples

Real-time annotation of head

This HIT teaches a robot to interact with people. You will see an image taken by a robot's camera (or a demo webcam). You'll need to label all heads of people in the frame.

To annotate the head:

  1. click on the head button
  2. click on the location for the upper left corner
  3. click on the location for the lower right. The box will appear
  4. click done

Here's what you should get:

none

If no people are visible, you need to check the no people checkbox.

Common errors

  1. No work done (rejected)
  2. Incomplete boxes (one click instead of two)

Examples

good:

bad:

Example bad image Mistake Explanation
No annotation is present.
The box around the head is too wide
The box doesn't capture full head
The box doesn't capture full head