Class: 139 (Ruddy Turnstone), Feature: 517

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	5	Highlighted visual attributes is on the belly of the bird
Main Object	5	The focus of the red region in the highlighted visual attributes is on the stomach of the bird.
Main Object	5	The highlighted visual attribute is on the bird in every image mainly targeting the breast of the bird
Main Object	5	The main object is an ruddy turnstone, arenaria interpres. the focus of the red region in the highlighted visual attributes is on the bird's head and body, showing its main parts. because of that, i choose focus is on some part of the main object.
Main Object	4	The red region in the highlighted visual attributes focuses on the body part of a ruddy turnstone.


Votes for core: 5, Votes for spurious: 0. Feature is thus annotated as core for the class.