Salient Imagenet

Class: 344 (Hippopotamus), Feature: 535

This feature is core for class Hippopotamus. It is the second 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
Main Object	1	Highlighted visual attributes is on some part of the hippopotamus and surrounding water. focus is unequally distributed on water and hippopotamus.
Main Object	3	Hippopotamus has been highlighted in red colour.
Background	3	The red region in the highlighted visual attributes focuses on the background of a hippopotamus.
Background	3	The main object is hippopotamus but the focus is on water in the background.
Main Object	2	The red region seems to be related to parts of the hippo that are under water

core

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

Feature 535 is core for the following classes: American Bullfrog, Hippopotamus.
Feature 535 is spurious for the following classes: American Dipper.