Class: 523 (Crutch), Feature: 1254

MTurk Worker Annotations

We now show the responses from five crowdworkers used to annotate this class-feature pair as core or spurious. Workers first denote if the focus of the image is on the main object (core), or a separate or background object (spurious). They also mark their confidence on a scale of 1 to 5, and provide written explanations for their annotation.



Main Focus	Confidence	Explanation
Main Object	4	Focus is on the length of the crutches.
Main Object	5	Focus is on the crutch.
Separate Object	4	Hands are not part of crutch
Main Object	3	Focus is on the main object.
Main Object	5	The main object is a crutch, a wooden or metal staff used by disabled person while walking. the focus of the red region on the highlighted visual attributes is on the crutch's metal staff, showing its main parts. because of that, i choose that focus is on some part of the main object.


Votes for core: 4, Votes for spurious: 1. Feature is thus annotated as core for the class.