Class: 900 (Water Tower), Feature: 1973

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 main object is a water tower. the focus of the red region on the highlighted visual attributes is on the water tower's containers, showing its main parts. because of that, i choose that focus is on some part of the main object.
Main Object	5	The highlighted visual attribute is on some part of the water tower in every image.
Main Object	4	Focus is on water tower
Main Object	5	The red region is focused on the botton of the water towe
Main Object	4	Focus is on the foundation of the water tower.


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