Salient Imagenet

Class: 418 (Ballpoint Pen), Feature: 833

This feature is core for class Ballpoint Pen. It is the fifth most important feature for class Ballpoint Pen.

Below, we display the five Ballpoint Pen 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	4	Focus is on the shaft of the ballpoint pen.
Background	5	Most of the images are mainly focused on background.
Main Object	3	Focus is on the pen
Main Object	4	The main object is ballpoint pen whose some part got focus.
Main Object	5	The focus is pen's body

core

Related Class-Feature Pairs

Important Features for Ballpoint Pen

There are 5 features annotated as core and 0 features annotated as spurious for Ballpoint Pen. Core features include 833, 1062, 1318, 1947, 1966.

Classes where Feature 833 is among Most Important (i.e. top-5)

Feature 833 is core for the following classes: Ballpoint Pen, Revolver.
Feature 833 is spurious for the following classes: Can Opener, Whistle.