Salient Imagenet

Class: 81 (Ptarmigan), Feature: 1236

This feature is core for class Ptarmigan. It is the 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	All the images are mainly focused on main object's body parts.
Main Object	4	Focus is on ptarmigan's chest.
Main Object	5	Focus is on ptarmigan
Main Object	4	Red focus is on bird.
Main Object	4	Focus is on body of ptarmigan

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 1236 is among Most Important (i.e. top-5)

Feature 1236 is core for the following classes: Rooster, Hen, Ostrich, Vulture, Black Grouse, Ptarmigan, Ruffed Grouse.