Class: 14 (Indigo Bunting), Feature: 342

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	The red region in the highlighted visual attributes focuses on the body part of an indigo bird.
Main Object	3	Red focus is on the body of bird.
Main Object	5	Heat map suggest the focus is on bird's wing's
Main Object	5	The main object is an indigo bunting, indigo finch, indigo bird, passerina cyanea. 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	5	Highlighted visual attributes is on the body of the bird mainly brest and belly


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