Salient Imagenet

Class: 4 (Hammerhead Shark), Feature: 981

This feature is spurious for class Hammerhead Shark. It is the fifth most important feature for class Hammerhead Shark.

Below, we display the five Hammerhead Shark 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
Separate Object	3	Focus is on some other around hammerhead shark
Background	4	Focus is on water in the background of hammerhead
Background	5	All the images are mainly focused on background only.
Main Object	4	Focus is on some part of the main object hammerhead, hammerhead shark
Main Object	3	Focus is on the hammerhead shark and the surrounding water.

spurious

Related Class-Feature Pairs

Important Features for Hammerhead Shark

There are 3 features annotated as core and 2 features annotated as spurious for Hammerhead Shark. Core features include 227, 686, 905. Spurious features include 981, 1697.

Classes where Feature 981 is among Most Important (i.e. top-5)

Feature 981 is core for the following classes: Jellyfish, Sea Anemone, Brain Coral, Clownfish, Lionfish, Coral Reef.
Feature 981 is spurious for the following classes: Tiger Shark, Hammerhead Shark, Electric Ray, Loggerhead Sea Turtle, Sea Snake, Dugong, Eel, Rock Beauty Fish, Pufferfish, Scuba Diver.