Class: 873 (Triumphal Arch), Feature: 496

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	It appears the main focus is on the arch in most images, however there are a few that look to be on the arch and side of the structure.
Main Object	4	Focus is on arch gate of structure
Main Object	4	The red region in the highlighted visual attributes focuses on the part of a triumphal arch.
Main Object	5	Focus is highlighting the central monument highlighting the arch
Main Object	5	The main object is an triumphal arch. the focus of the red region in the highlighted visual attributes is on the triumphal arch's, showing their main parts of the structures. because of that, i choose focus is on some part of the main object.


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