Salient Imagenet

Class: 81 (Ptarmigan), Feature: 820

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

Below, we display the five Ptarmigan 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
Separate Object	5	Focus is on rock which is not part of ptarmigan
Background	4	The focus is around on the environment that is the ptarmigan.
Background	5	Focus is on rocks.
Background	4	Focus is on the stones and greenery in the background of the ptarmigan.
Background	5	Most of the images are mainly focused on background only.

spurious

Related Class-Feature Pairs

Important Features for Ptarmigan

There are 4 features annotated as core and 1 features annotated as spurious for Ptarmigan. Core features include 317, 1236, 1297, 2021. Spurious features include 820.

Classes where Feature 820 is among Most Important (i.e. top-5)

Feature 820 is spurious for the following classes: American Dipper, Ptarmigan, Marmot, Alpine Ibex.