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

Guidelines for Sketching a Curve01:23

Guidelines for Sketching a Curve

112
Curve sketching is a systematic method for understanding the overall behavior of a function by analyzing its key mathematical features. A function defines a curve on the coordinate plane, where the horizontal axis represents the input variable and the vertical axis represents the output. The process begins by determining the domain, which specifies the set of input values for which the function is defined and establishes the horizontal extent of the graph.Intercepts with the horizontal and...
112
Gradually Varying Flow01:29

Gradually Varying Flow

428
Gradually varying flow (GVF) in open channels describes situations where water depth changes slowly along the channel due to factors like non-uniform bed slope, channel shape variations, or obstructions. This flow type occurs when the depth adjusts gradually to balance gravitational forces, shear forces, and energy requirements, resulting in a low rate of depth change.Characteristics of Gradually Varying FlowGVF is commonly observed in natural streams, rivers, and canals, where flow depth...
428
Curve Sketching and Derivatives01:22

Curve Sketching and Derivatives

59
Understanding the behavior of a function through its first and second derivatives is essential for analyzing its graph. Derivatives provide insight into where a function increases or decreases, where it attains local maxima or minima, and how its curvature behaves across different intervals.The first derivative of a function reveals the slope of the tangent line at any given point. Points where the derivative is zero or undefined are considered critical, as they often indicate potential extrema...
59
Retrieval01:12

Retrieval

425
Retrieval is the process of getting information out of memory storage and back into conscious awareness. This ability is essential for daily tasks like brushing hair and teeth, driving to work, and performing job duties. Retrieval occurs in three ways: recall, recognition, and relearning.
Recall involves accessing information without cues, such as during an essay test, where individuals must retrieve facts and concepts from memory unaided. Another example is remembering the name of a colleague...
425
ER Retrieval Pathway01:45

ER Retrieval Pathway

4.7K
In the secretory pathway, vesicles transport proteins from one cellular compartment to another in forward transport to deliver the protein to its correct location. Occasionally, misfolded proteins and incorrect proteins escape their original compartments, and a retrieval pathway is used to return the escaped proteins to their original compartment.
The ER uses many checkpoints to prevent the entry of incorrectly folded or a resident protein as cargo onto a transport vesicle. These mechanisms...
4.7K
Fineness of Cement01:15

Fineness of Cement

494
The fineness of cement directly influences the rate of hydration, as the hydration begins at the surface of the cement particles. In addition to hydration, the fineness of cement is vital for various properties of concrete including workability, gypsum requirement, and long-term behavior. The fineness of cement is represented in terms of the specific surface of cement which is typically measured in square meters per kilogram, with several methods available for this determination.
Direct...
494

You might also read

Related Articles

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

Sort by
Same author

International expert consensus on the management of bleeding during VATS lung surgery.

Annals of translational medicine·2020
Same author

Society for Translational Medicine consensus on postoperative management of EGFR-mutant lung cancer (2019 edition).

Translational lung cancer research·2020
Same author

Clinical guidelines on perioperative management strategies for enhanced recovery after lung surgery.

Translational lung cancer research·2020
Same author

Physical and oxidative stability of chicken oil-in-water emulsion stabilized by chicken protein hydrolysates.

Food science & nutrition·2020
Same author

An outbreak of norovirus-related acute gastroenteritis associated with delivery food in Guangzhou, southern China.

BMC public health·2020
Same author

Expression and significance of c-kit and epithelial-mesenchymal transition (EMT) molecules in thymic epithelial tumors (TETs).

Journal of thoracic disease·2020
Same journal

Invaders taking over-Mollusc faunal change in volcanic barrier lakes of the Albertine Rift biodiversity hotspot.

PloS one·2026
Same journal

AI-driven molecular diversification and ligand-based optimization of macitentan derivatives targeting VEGFR1 and endothelin signaling pathways.

PloS one·2026
Same journal

Performance patterns and records in the world aquatics masters championships: Where do the most frequently represented nations among the top-ten masters swimmers come from?

PloS one·2026
Same journal

Modeling diurnal Temperature-Rainfall relationships under multicollinearity using PLS-SEM: A case study of Ghana.

PloS one·2026
Same journal

Organizational culture, social capital, and emergency capacity in primary healthcare institutions: A cross-sectional structural equation modeling study comparing ordinary and older communities.

PloS one·2026
Same journal

Impact of kidney function on the metabolome in the general population.

PloS one·2026
See all related articles

Related Experiment Video

Updated: Jan 24, 2026

Determining the Mechanical Strength of Ultra-Fine-Grained Metals
05:04

Determining the Mechanical Strength of Ultra-Fine-Grained Metals

Published on: November 22, 2021

2.6K

Gradually focused fine-grained sketch-based image retrieval.

Ming Zhu1, Chun Chen1, Nian Wang1

  • 1School of Electronics and Information Engineering, Anhui University, Hefei, China.

Plos One
|May 29, 2019
PubMed
Summary
This summary is machine-generated.

This study introduces a novel attention model for sketch-based image retrieval, enhancing the accuracy of matching detailed sketches to images. The method effectively captures distinctive local features for improved retrieval performance.

More Related Videos

Characterization of Ultra-fine Grained and Nanocrystalline Materials Using Transmission Kikuchi Diffraction
09:13

Characterization of Ultra-fine Grained and Nanocrystalline Materials Using Transmission Kikuchi Diffraction

Published on: April 1, 2017

14.1K
Untargeted Liquid Chromatography-Mass Spectrometry-Based Metabolomics Analysis of Wheat Grain
07:10

Untargeted Liquid Chromatography-Mass Spectrometry-Based Metabolomics Analysis of Wheat Grain

Published on: March 13, 2020

10.6K

Related Experiment Videos

Last Updated: Jan 24, 2026

Determining the Mechanical Strength of Ultra-Fine-Grained Metals
05:04

Determining the Mechanical Strength of Ultra-Fine-Grained Metals

Published on: November 22, 2021

2.6K
Characterization of Ultra-fine Grained and Nanocrystalline Materials Using Transmission Kikuchi Diffraction
09:13

Characterization of Ultra-fine Grained and Nanocrystalline Materials Using Transmission Kikuchi Diffraction

Published on: April 1, 2017

14.1K
Untargeted Liquid Chromatography-Mass Spectrometry-Based Metabolomics Analysis of Wheat Grain
07:10

Untargeted Liquid Chromatography-Mass Spectrometry-Based Metabolomics Analysis of Wheat Grain

Published on: March 13, 2020

10.6K

Area of Science:

  • Computer Vision
  • Machine Learning
  • Artificial Intelligence

Background:

  • Sketch-based image retrieval (SBIR) is challenging due to the abstract nature of sketches.
  • Existing SBIR models struggle to accurately highlight distinctive local features and capture feature correlations.
  • Fine-grained details in sketches are crucial but difficult to compare visually with images.

Purpose of the Study:

  • To develop a more effective method for fine-grained image retrieval using sketches.
  • To address limitations in existing models regarding the extraction and correlation of local features.
  • To improve the discriminative power of feature representations for accurate sketch-to-image matching.

Main Methods:

  • Design of a gradually focused bilinear attention model for enhanced detail extraction.
  • Utilizing attention mechanisms to focus on representative local positions within sketches.
  • Employing weighted bilinear coding for discriminative feature representation and a global triplet loss function to prevent sampling bias.

Main Results:

  • The proposed gradually focused bilinear attention model significantly improves fine-grained image retrieval accuracy.
  • The method effectively captures and correlates distinctive local features from sketches.
  • Experimental results demonstrate superior performance compared to state-of-the-art SBIR methods.

Conclusions:

  • The developed attention model offers a more effective approach to sketch-based image retrieval.
  • Accurate focus on local features and their correlations leads to enhanced retrieval performance.
  • This method advances the field of fine-grained image retrieval from sketches.