Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Force Classification01:22

Force Classification

1.1K
Forces play a crucial role in the study of physics and engineering. They are essential in describing the motion, behavior, and equilibrium of objects in the physical world. Forces can be classified based on their origin, type, and direction of action.
Contact and non-contact forces are two of the most widely used categories of forces. As the name suggests, contact forces require physical contact between two objects to act upon each other. Examples of contact forces include frictional,...
1.1K
Aggregates Classification01:29

Aggregates Classification

303
Aggregate classification is generally based on its size, petrographic characteristics, weight, and source. Size classification ranges from coarse to fine aggregates, defined by the size of the particles. Coarse aggregates are particles that do not pass through ASTM sieve No. 4, and aggregates that pass through the sieve are fine aggregates.
Petrographic classification groups aggregates based on common mineralogical characteristics. Some of the common mineral groups found in aggregates are...
303
Classification of Signals01:30

Classification of Signals

397
In signal processing, signals are classified based on various characteristics: continuous-time versus discrete-time, periodic versus aperiodic, analog versus digital, and causal versus noncausal. Each category highlights distinct properties crucial for understanding and manipulating signals.
A continuous-time signal holds a value at every instant in time, representing information seamlessly. In contrast, a discrete-time signal holds values only at specific moments, often denoted as x(n), where...
397
Classification of Systems-I01:26

Classification of Systems-I

168
Linearity is a system property characterized by a direct input-output relationship, combining homogeneity and additivity.
Homogeneity dictates that if an input x(t) is multiplied by a constant c, the output y(t) is multiplied by the same constant. Mathematically, this is expressed as:
168
Classification of Systems-II01:31

Classification of Systems-II

133
Continuous-time systems have continuous input and output signals, with time measured continuously. These systems are generally defined by differential or algebraic equations. For instance, in an RC circuit, the relationship between input and output voltage is expressed through a differential equation derived from Ohm's law and the capacitor relation,
133

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Physical activity and adolescents' parasocial relationships with virtual idols: evidence from loneliness, gender differences, and network analysis.

Frontiers in psychology·2026
Same author

Calcium-Dependent Protein Kinase Regulatory Module Centred on TaCDPK5-2A Rewires Distinct Osmotic Stress-Associated Physiology and Enhances Wheat Yield.

Plant, cell & environment·2026
Same author

Size Dependence of Tangential Momentum Accommodation Coefficient in Nanoconfined Gas Flow.

Langmuir : the ACS journal of surfaces and colloids·2026
Same author

"Internet+" Case-Based Learning Improves Perceived Learning Gains and Teaching Satisfaction in an Integrated Medical Curriculum: A Comparative Study.

Journal of medical education and curricular development·2026
Same author

Physical activity and fruit and vegetable intake among Chinese college students through psychological pathways.

Scientific reports·2026
Same author

Effectiveness of Clinical Pathway-Based Rehabilitation Nursing on Swallowing Function in Stroke Patients With Dysphagia: A Retrospective Cohort Study.

Journal of visualized experiments : JoVE·2026

Related Experiment Video

Updated: Jun 4, 2025

Author Spotlight: Enhancement of Salient Object Detection for Smart Grid Applications
03:31

Author Spotlight: Enhancement of Salient Object Detection for Smart Grid Applications

Published on: December 15, 2023

466

An Unbiased Feature Estimation Network for Few-Shot Fine-Grained Image Classification.

Jiale Wang1, Jin Lu1, Junpo Yang1

  • 1School of Electronic Information and Artificial Intelligence, Shaanxi University of Science and Technology, Xi'an 710000, China.

Sensors (Basel, Switzerland)
|December 17, 2024
PubMed
Summary

This study introduces an unbiased feature estimation network to improve few-shot fine-grained image classification (FSFGIC). The method reduces feature bias, enhancing accuracy for classifying visually similar subspecies with limited data.

Keywords:
data augmentation techniquesfew-shot fine-grained image classificationunbiased feature estimation network

More Related Videos

Deep Neural Networks for Image-Based Dietary Assessment
13:19

Deep Neural Networks for Image-Based Dietary Assessment

Published on: March 13, 2021

9.0K
Author Spotlight: Efficient Image Recognition Using Directional Gradient Histogram Technique and Support Vector Machines
08:27

Author Spotlight: Efficient Image Recognition Using Directional Gradient Histogram Technique and Support Vector Machines

Published on: January 5, 2024

975

Related Experiment Videos

Last Updated: Jun 4, 2025

Author Spotlight: Enhancement of Salient Object Detection for Smart Grid Applications
03:31

Author Spotlight: Enhancement of Salient Object Detection for Smart Grid Applications

Published on: December 15, 2023

466
Deep Neural Networks for Image-Based Dietary Assessment
13:19

Deep Neural Networks for Image-Based Dietary Assessment

Published on: March 13, 2021

9.0K
Author Spotlight: Efficient Image Recognition Using Directional Gradient Histogram Technique and Support Vector Machines
08:27

Author Spotlight: Efficient Image Recognition Using Directional Gradient Histogram Technique and Support Vector Machines

Published on: January 5, 2024

975

Area of Science:

  • Computer Vision
  • Machine Learning
  • Artificial Intelligence

Background:

  • Few-shot fine-grained image classification (FSFGIC) faces challenges classifying visually similar subspecies with limited data.
  • Existing FSFGIC methods are sensitive to biases in extracted image features, negatively impacting performance.
  • Data augmentation techniques show varying effects, highlighting underlying feature representation issues.

Purpose of the Study:

  • To propose a novel network for unbiased feature estimation in FSFGIC.
  • To mitigate feature bias originating from input images, improving feature representation quality.
  • To enhance classification accuracy in FSFGIC tasks with high intra-class and low inter-class variation.

Main Methods:

  • Development of an unbiased feature estimation network.
  • Integration of the proposed architecture into existing contextual training mechanisms.
  • Extensive experimentation on FSFGIC datasets to validate performance.

Main Results:

  • The proposed network significantly optimizes feature representation quality.
  • Feature bias from input images is effectively reduced.
  • Demonstrated notable improvements in classification accuracy on FSFGIC tasks.

Conclusions:

  • The unbiased feature estimation network effectively addresses feature bias in FSFGIC.
  • The proposed method offers a significant advancement in classifying visually similar categories with limited data.
  • The architecture's compatibility allows easy integration into various FSFGIC frameworks.