Class: 953 (Pineapple), Feature: 139

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 mainly focuses on the predicted object but slightly spreads to the background.
Main Object	5	The main object is an pineapple, ananas. the focus of the red region on the highlighted visual attributes is on the pineapple's fruit, showing its main parts. because of that, i choose that focus is on some part of the main object.
Main Object	5	Focus is highlighting the pineapple crown
Main Object	4	The red region in the highlighted visual attributes focuses on the part of a pineapple.
Main Object	4	Focus is on the stem of the pineapple.


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