Salient Imagenet

Class: 328 (Sea Urchin), Feature: 666

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

Below, we display the five Sea Urchin 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 body of the urchin
Main Object	3	Focus is on spines which are part of sea urchin
Main Object	5	Focus is on spine of the seaurchin
Main Object	4	Focus is on some part of the main object sea urchin
Main Object	4	Focus is on sharp spikes of the sea urchin.

core

Related Class-Feature Pairs

Important Features for Sea Urchin

There are 5 features annotated as core and 0 features annotated as spurious for Sea Urchin. Core features include 226, 298, 666, 1044, 1081.

Classes where Feature 666 is among Most Important (i.e. top-5)

Feature 666 is core for the following classes: Trilobite, Echidna, Sea Urchin, Porcupine.