Salient Imagenet

Class: 644 (Matchstick), Feature: 1642

This feature is spurious for class Matchstick. It is the second most important feature for class Matchstick.

Below, we display the five Matchstick 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	3	Red focus is on match stick.
Separate Object	4	Focus is on flame that are not a part of matchstick or its background
Separate Object	3	The main object is matchstick but the focus is on other object.
Separate Object	4	The focus is on the flame caused by the matchstick.
Separate Object	4	Focus is on the burning flame of the matchstick.

spurious

Related Class-Feature Pairs

Important Features for Matchstick

There are 3 features annotated as core and 2 features annotated as spurious for Matchstick. Core features include 102, 507, 1824. Spurious features include 1642, 1986.

Classes where Feature 1642 is among Most Important (i.e. top-5)

Feature 1642 is core for the following classes: Torch.
Feature 1642 is spurious for the following classes: Lighter, Matchstick.