Class: 779 (School Bus), Feature: 1877

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	The focus is on the main object .
Main Object	5	The main object is an school bus. the focus of the red region in the highlighted visual attributes is on the vehicle's body, showing its main parts of the school bus. 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 part of a school bus.
Main Object	4	Highlighted visual attributes in on the school bus.
Main Object	4	Focus is on windows of school bus


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