Salient Imagenet

Class: 587 (Hammer), Feature: 1455

This feature is core for class Hammer. It is the third most important feature for class Hammer.

Below, we display the five Hammer 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	3	The red region covers most of the predicted objects on the images but spreads widely to the background.
Main Object	3	Focus is on the handle of the hammer.
Main Object	2	Focus on tools
Main Object	4	Hand tools are their focus
Main Object	4	The red region in the highlighted visual attributes focuses on the part of a hammer.

core

Related Class-Feature Pairs

Important Features for Hammer

There are 3 features annotated as core and 2 features annotated as spurious for Hammer. Core features include 507, 1227, 1455. Spurious features include 765, 1062.

Classes where Feature 1455 is among Most Important (i.e. top-5)

Feature 1455 is core for the following classes: Tool Kit, Hammer, Stethoscope.