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

Design Example: Joints in Concrete Pavements01:28

Design Example: Joints in Concrete Pavements

149
Concrete pavement joints are essential for maintaining the structural integrity and longevity of pavement by controlling where and how the pavement cracks. These joints can be categorized based on their functions, such as contraction or control joints, construction joints, isolation joints, and expansion joints.
Contraction joints are typically formed by sawing a groove into the concrete shortly after it has hardened. This creates a weakened vertical plane, deliberately encouraging cracking at...
149
Masonry Paving01:21

Masonry Paving

232
The construction of masonry paving involves using materials such as bricks, stones, and concrete masonry units. These materials are chosen for their shape, color, strength, and resistance to abrasion and weathering. Masonry units can be installed dry on a thin layer of sand and a gravel base, or they can be embedded in mortar or asphalt on a concrete slab. For areas subjected to heavy vehicular loads, a rigid base layer of reinforced or unreinforced concrete is recommended. In contrast,...
232
Microcracking in Concrete01:20

Microcracking in Concrete

87
Microcracking in concrete refers to the tiny cracks that can form within the material even before any external load is applied. These microcracks typically occur at the interface between the coarse aggregate and the hydrated cement paste, often as a result of differential volume changes prompted by variations in stress-strain behavior, as well as thermal and moisture movement. Initially, these microcracks remain stable and do not grow substantially until the concrete is stressed to about 30...
87
Abrasion Resistance of Concrete01:23

Abrasion Resistance of Concrete

80
Abrasion resistance is an essential characteristic of concrete that determines its durability and longevity under various wear conditions. Concrete surfaces are vulnerable to different types of abrasion. For instance, surfaces may wear down due to the constant movement of vehicles or be eroded by solids carried in water, as seen in concrete canal linings. Specific tests are conducted to measure the abrasion resistance of concrete.
One such test is the revolving disc test, where three plates...
80
Non-destructive Tests for Concrete Strength01:12

Non-destructive Tests for Concrete Strength

98
The rebound hammer test, also known as the Schmidt hammer test, is a non-destructive technique for evaluating the hardness of concrete and, indirectly, the strength of concrete. It operates on the principle that the rebound of a spring-driven mass from a concrete surface correlates to the surface's hardness. The device comprises a mass within a tubular housing, a spring mechanism, and a plunger that strikes the concrete. Upon release, the energy imparted to the mass by the spring causes it...
98
PD Controller: Design01:26

PD Controller: Design

145
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
145

You might also read

Related Articles

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

Sort by
Same author

Construction of a Near-Infrared Viscosity Fluorescent Probe Targeting Mitochondria and Study on Its pH-Coordinated Effect.

Molecules (Basel, Switzerland)·2026
Same author

Effectiveness of ecological momentary interventions for improving 24-hour movement behaviors in older adults: A systematic review and meta-analysis.

International journal of nursing studies·2026
Same author

Mesenchymal stem cells and derived extracellular vesicles in major respiratory diseases: from multifaceted molecular mechanisms to clinical perspectives.

Frontiers in cell and developmental biology·2026
Same author

Development of an mHealth Intervention for Reducing Sedentary Behavior in Older Adults: Delphi Study.

Journal of medical Internet research·2026
Same author

Mesenchymal stem cell alleviate concanavalin A-induced hepatitis via immune reprogramming and complement regulation.

Frontiers in immunology·2026
Same author

Bioorthogonally Active Silk Fibroin Patch Facilitate Immunomodulatory Prodrug Activation for Tissue Repair.

Advanced healthcare materials·2026

Related Experiment Video

Updated: May 10, 2025

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography
11:34

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography

Published on: May 15, 2017

11.0K

Pavement-DETR: A High-Precision Real-Time Detection Transformer for Pavement Defect Detection.

Cuihua Zuo1, Nengxin Huang1, Cao Yuan1

  • 1School of Mathematics and Computer Science, Wuhan Polytechnic University, Wuhan 430024, China.

Sensors (Basel, Switzerland)
|April 26, 2025
PubMed
Summary

This study introduces Pavement-DETR, an improved road defect detection model. It enhances accuracy for various pavement issues, significantly aiding road maintenance safety and efficiency.

Keywords:
RT-DETRaccuracy improvementpavement defect detection

More Related Videos

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
06:45

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator

Published on: October 28, 2022

1.5K
Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street
14:55

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

Published on: January 20, 2023

3.2K

Related Experiment Videos

Last Updated: May 10, 2025

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography
11:34

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography

Published on: May 15, 2017

11.0K
Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
06:45

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator

Published on: October 28, 2022

1.5K
Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street
14:55

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

Published on: January 20, 2023

3.2K

Area of Science:

  • Computer Vision
  • Artificial Intelligence
  • Civil Engineering

Background:

  • Accurate road defect detection is vital for road maintenance safety and efficiency.
  • Challenges include distinguishing foreground/background and identifying small or overlapping defects.

Purpose of the Study:

  • To propose an optimized Pavement-DETR model for accurate road defect detection.
  • To enhance detection of common pavement defects like cracks and potholes.

Main Methods:

  • Introduced Channel-Spatial Shuffle (CSS) attention in ResNet backbone for precise feature focus.
  • Employed Conv3XC structure for improved foreground-background differentiation and feature fusion.
  • Developed a combined loss function using PIoU v2 and Normalized Wasserstein Distance (NWD) for comprehensive bounding box optimization.

Main Results:

  • Pavement-DETR achieved a 7.7% mAP improvement at IoU=0.5 on the UAV-PDD2023 dataset.
  • mAP increased by 8.9% at IoU=0.5-0.95, and F1 Score improved by 7% compared to baseline.
  • Demonstrated superior performance in detecting small-sized and overlapping road defects.

Conclusions:

  • The Pavement-DETR model significantly enhances road defect detection accuracy.
  • The proposed improvements effectively address challenges in identifying diverse and complex pavement defects.
  • This model offers substantial benefits for efficient and safe road maintenance operations.