Salient Imagenet

Class: 565 (Freight Car), Feature: 56

This feature is core for class Freight Car. It is the fourth most important feature for class Freight Car.

Below, we display the five Freight Car 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 wheels of the freight car.
Main Object	3	Focus is on wheel part of the freight car
Main Object	3	Focus is on wheels of the railcar
Separate Object	5	Focus is on the tracks which is not a part of the freight car but is a part on which the freight car runs thus the focus is not on the main part or its background but on some other object.
Main Object	4	Focus is on lower sides of freight car

core

Related Class-Feature Pairs

Important Features for Freight Car

There are 5 features annotated as core and 0 features annotated as spurious for Freight Car. Core features include 56, 69, 210, 1182, 1998.

Classes where Feature 56 is among Most Important (i.e. top-5)

Feature 56 is core for the following classes: Electric Locomotive, Freight Car, Steam Locomotive.
Feature 56 is spurious for the following classes: High-Speed Train, Railroad Car, Tram.