Salient Imagenet

Class: 874 (Trolleybus), Feature: 1134

This feature is core for class Trolleybus. It is the most important feature for class Trolleybus.

Below, we display the five Trolleybus 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	4	Focus is on some part of the main object trolleybus, trolley coach, trackless trolley
Main Object	4	Focus is on some parts of the trolley bus like window, sides etc. in some cases however the red part has shifted slightly and covers the background.
Main Object	4	Focuses on front, side, or corners of the trolleybus
Main Object	5	All the images are mainly focused on main object's body parts.
Main Object	5	Focus is on the structure of the trolleybus

core

Related Class-Feature Pairs

Important Features for Trolleybus

There are 4 features annotated as core and 1 features annotated as spurious for Trolleybus. Core features include 392, 585, 1134, 1877. Spurious features include 1485.

Classes where Feature 1134 is among Most Important (i.e. top-5)

Feature 1134 is core for the following classes: Container Ship, Electric Locomotive, Railroad Car, Scoreboard, Semi-Trailer Truck, Trolleybus.