Salient Imagenet

Class: 9 (Ostrich), Feature: 63

This feature is spurious for class Ostrich. It is the fifth most important feature for class Ostrich.

Below, we display the five Ostrich images that most highly activate the feature, along with the Neural Activation Map (heatmap) and Feature Attack for each image. These are the same as the images shown to crowdworkers to annotate this class-feature pair.

We additionally provide the full responses of the five crowdworkers that annotated this pair, as well as links to other related pairs (i.e. same class or same feature).

MTurk Worker Annotations

core

spurious

core

spurious

Main Focus	Confidence	Explanation
Background	4	The red region is focused on the grass and the area behind the ostriches.
Background	5	Highlighted visual attributes is focus on main object to overlap.
Background	4	Grass field in the background of ostrich
Separate Object	3	Highlighted visual attributes is on the lower part of the ostrich surrounding the feet's.
Main Object	3	The red region in the highlighted visual attributes focuses on the legs of an ostrich.

spurious

Related Class-Feature Pairs

Important Features for Ostrich

There are 4 features annotated as core and 1 features annotated as spurious for Ostrich. Core features include 569, 1236, 1830, 1964. Spurious features include 63.

Classes where Feature 63 is among Most Important (i.e. top-5)

Feature 63 is core for the following classes: Warthog, Bison.
Feature 63 is spurious for the following classes: Ostrich, Common Sorrel Horse, Ox, Water Buffalo, Llama, Farm Plow.