Class: 634 (Sawmill), Feature: 1107

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	Focus is on the main object.
Main Object	3	All of the highlighted areas are focused on the lumber mill.
Main Object	5	The focus is clearly focused on the main object in the given pictures.
Main Object	5	The main object is a lumbermill, sawmill. the focus of the red region on the highlighted visual attributes is on the lumbermill's structure, showing its main parts. because of that, i choose that focus is on some part of the main object.
Main Object	5	The focus of the red region in the highlighted visual attributes is on the woods on the lumbermill.


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