Salient Imagenet

Class: 913 (Shipwreck), Feature: 421

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

Below, we display the five Shipwreck 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	3	The focus is on water which is in the background of wreck
Background	4	Focus is on water around boat
Background	4	Highlighted visual attributes is not on main object/wreck
Separate Object	4	Focus on the water of the ocean on which the wreck is standing
Background	5	Most of the images are mainly focused on background water only.

spurious

Related Class-Feature Pairs

Important Features for Shipwreck

There are 3 features annotated as core and 2 features annotated as spurious for Shipwreck. Core features include 749, 1199, 1521. Spurious features include 421, 491.

Classes where Feature 421 is among Most Important (i.e. top-5)

Feature 421 is core for the following classes: Lakeshore, Beach.
Feature 421 is spurious for the following classes: Boathouse, Breakwater, Pier, Shipwreck, Cliff, Promontory, Sandbar.