Salient Imagenet

Class: 623 (Letter Opener), Feature: 107

This feature is core for class Letter Opener. It is the most important feature for class Letter Opener.

Below, we display the five Letter Opener 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	The focus of the red region in the highlighted visual attributes is on letter opener.
Main Object	4	Focus is on letter opener
Main Object	4	Focus is on the stem of the letter opener.
Main Object	5	Focus is on the handle of the paper knife
Main Object	5	Focus is on the edges, body and holding parts of the paper knife.

core

Related Class-Feature Pairs

Important Features for Letter Opener

There are 5 features annotated as core and 0 features annotated as spurious for Letter Opener. Core features include 107, 507, 750, 1281, 1361.

Classes where Feature 107 is among Most Important (i.e. top-5)

Feature 107 is core for the following classes: Ladle, Letter Opener, Spatula, Wooden Spoon.