Salient Imagenet

Class: 718 (Pier), Feature: 279

This feature is core for class Pier. It is the third 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
Background	1	Difficult to answer. some of the focus is on the pier but some is definitely on the background.
Main Object	4	Focus is on top of pier
Main Object	3	The main object is pier whose some part got focus.
Background	4	Focus is on the sky in the background of the pier.
Main Object	3	Red focus is on pier.

core

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

Feature 279 is core for the following classes: Pier, Through Arch Bridge, Viaduct.