Salient Imagenet

Class: 718 (Pier), Feature: 831

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

Below, we display the five Pier 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 the middle of the pier.
Separate Object	4	Focus is on bridge that are not a part of pier or its background
Main Object	5	Focus is on iron structure of pier
Background	4	Focus is on sky in the background of pier
Background	4	Focus is overlapped with the background of the steel bridge that is the sky and the pier.

spurious

Related Class-Feature Pairs

Important Features for Pier

There are 2 features annotated as core and 3 features annotated as spurious for Pier. Core features include 279, 1256. Spurious features include 421, 831, 1536.

Classes where Feature 831 is among Most Important (i.e. top-5)

Feature 831 is core for the following classes: High-Speed Train, Through Arch Bridge, Suspension Bridge.
Feature 831 is spurious for the following classes: Pier.