Salient Imagenet

Class: 344 (Hippopotamus), Feature: 925

This feature is spurious for class Hippopotamus. It is the third most important feature for class Hippopotamus.

Below, we display the five Hippopotamus 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	4	All the images focus is on the background water
Background	4	It was mainly related to it
Main Object	5	Focus is on some part of the main object.
Background	2	Focus is on the water
Separate Object	3	Red focus is on water.

spurious

Related Class-Feature Pairs

Important Features for Hippopotamus

There are 4 features annotated as core and 1 features annotated as spurious for Hippopotamus. Core features include 285, 535, 960, 980. Spurious features include 925.

Classes where Feature 925 is among Most Important (i.e. top-5)

Feature 925 is core for the following classes: Spoonbill, Flamingo, Common Gallinule, Common Redshank, Oystercatcher.
Feature 925 is spurious for the following classes: Duck, Red-Breasted Merganser, Goose, Black Swan, Little Blue Heron, Great Egret, Limpkin, American Coot, Dunlin, Dowitcher, Beaver, Hippopotamus, Otter.