Salient Imagenet

Class: 81 (Ptarmigan), Feature: 1297

This feature is core for class Ptarmigan. It is the second 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
Main Object	5	Focus is on ptarmigan
Main Object	4	Focus is on body of ptarmigan
Main Object	4	Focus is on the body of the ptarmigan
Main Object	1	Focus is on the bird
Main Object	5	Focus is on the body of the ptarmigan (excludes head and legs).

core

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 1297 is among Most Important (i.e. top-5)

Feature 1297 is core for the following classes: Hen, Ptarmigan, Ruffed Grouse, Prairie Grouse, Quail, Partridge, Sulphur-Crested Cockatoo, Crane Bird, Limpkin, Bustard, Pelican.