Class: 594 (Harp), Feature: 1284

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 an harp (musical instrument). the focus of the red region in the highlighted visual attributes is on the harp's body, showing its main parts. because of that, i choose focus is on some part of the main object.
Main Object	5	Focus is on harps wood structure
Main Object	3	Harp musical instruments are focused on.
Main Object	3	Highlighted visual attributes on the middle or the string of the device(harp) which produces the sound.
Main Object	4	The red region in the highlighted visual attributes focuses on the part of a harp.


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