Salient Imagenet

Class: 563 (Fountain Pen), Feature: 1947

This feature is core for class Fountain Pen. It is the fourth most important feature for class Fountain Pen.

Below, we display the five Fountain 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 structure of fountain pen
Main Object	5	Most of the images are mainly focused on main object's body parts.
Main Object	5	The focus of the red region in the highlighted visual attribute is on fountain pen.
Main Object	4	Focus is on nip of the fountain pen
Main Object	4	The main object is fountain pen whose some part got focus.

core

Related Class-Feature Pairs

Important Features for Fountain Pen

There are 5 features annotated as core and 0 features annotated as spurious for Fountain Pen. Core features include 1062, 1144, 1318, 1947, 1966.

Classes where Feature 1947 is among Most Important (i.e. top-5)

Feature 1947 is core for the following classes: Ballpoint Pen, Fountain Pen, Quill.