Salient Imagenet

Class: 407 (Ambulance), Feature: 691

This feature is core for class Ambulance. It is the fifth most important feature for class Ambulance.

Below, we display the five Ambulance 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 the glass of the window of the ambulance.
Main Object	5	Focus is on some part of the main object of the ambulance
Main Object	3	Red focus is on ambulance.
Main Object	5	Focus is on the wheels and front side doors of the ambulance.
Main Object	5	Focus is on mirror and wheels of the ambulance

core

Related Class-Feature Pairs

Important Features for Ambulance

There are 5 features annotated as core and 0 features annotated as spurious for Ambulance. Core features include 392, 691, 1135, 1895, 1995.

Classes where Feature 691 is among Most Important (i.e. top-5)

Feature 691 is core for the following classes: Ambulance, Station Wagon, Taxicab, Convertible, Radiator Grille, Jeep, Limousine, Minibus, Minivan, Pickup Truck, Police Van, Recreational Vehicle, Sports Car, Tow Truck.
Feature 691 is spurious for the following classes: Car Wheel.