A Surface Crack Detection Method of Spillway Tunnel Based on an ...

A Surface Crack Detection Method of Spillway Tunnel Based on an Improved U-Net Network ... The spatial attention mechanism (clique blocks) is ...

A Surface Crack Detection Method of Spillway. Tunnel Based on an Improved U-Net Network. Jing Zhang. School of Information. Engineering. Southwest University of ...

A Surface Crack Detection Method of Spillway Tunnel Based on an ...

A Surface Crack Detection Method of Spillway Tunnel Based on an Improved U-Net Network ... To read the full-text of this research, you can request a copy directly ...

Efficient real-time defect detection for spillway tunnel using deep ...

To improve the efficiency of defect detection, a real-time method is proposed for spillway tunnel defect detection (STDD) using deep learning. First, images of ...

Long-distance precision inspection method for bridge cracks with ...

Yu designed a crack identification system and applied the Dijkstra algorithm to identify the cracks for pavement tunnels, however, the recognition precision is ...

Efficient real-time defect detection for spillway tunnel using deep ...

The defect detection is an important task for maintaining the hydro-junction project. A two-stage crack defect segmentation method based on ...

Dam surface crack detection based on deep learning

However, the current methods for detecting cracks on the dam surface are still dominated by humans. ... Efficient real-time defect detection for spillway tunnel ...

Automatic tunnel lining crack detection via deep learning with ...

The emergence of target detection algorithms based on deep learning (DL) provides a new and more effective solution for the detection of tunnel lining cracks.

Tunnel Lining Crack Detection Method Based on Polarization 3D ...

The laser scanning-based detection method [1,2,3,4] scans the surface of the tunnel lining with a laser, calculates the three-dimensional ...

Nondestructive Techniques for Inspecting Concrete Dams and ...

Three such methods — spectral analysis of surface waves, ground penetrating radar, and acoustic tomography — are particularly useful in dam and ...

[PDF] An Automatic Concrete Crack-Detection Method Fusing Point ...

An automatic crack-detection method that fuses 3D point clouds and 2D images based on an improved Otsu algorithm that has high detection accuracy and ...

Multiple Defects Inspection of Dam Spillway Surface Using Deep ...

Li et al. detects cracks and rebar exposure of concrete surface using Faster R-CNN [14]. Gao segment tunnel cracks and leaks using Faster R-CNN in conjunction ...

Effective small crack detection based on tunnel crack characteristics ...

The experimental results show that the anchor-free algorithm performs slightly better than other algorithms in crack detection situations. In ...

Crack Detection in Unstructured Environments using a 3D-Point ...

PointCrack3D is presented, a new 3D-point-cloud-based crack detection algorithm for unstructured surfaces that demonstrates a crack detection rate of 97% ...

A Deep-Learning-Based Multiple Defect Detection Method for ...

Automatic crack detection for tunnel inspection ... A deep learning-based approach for refined crack evaluation from shield tunnel lining images ... Efficient real- ...

Automatic detection method of tunnel lining multi‐defects via an ...

Based on robust and cost-effective YOLOv4-ED, a tunnel lining defect detection platform (TLDDP) with the capacity of automated inspection of ...

Crack Recognition and Segmentation Using Morphological Image ...

10. Huang J., Liu W., and Sun X. A Pavement Crack Detection Method Combining 2-D with 3-D Information Based on Dempster ...

Inspection of Spillways, Outlet Works and Mechanical Equipment

Depending on whether gates are upstream, midstream, or downstream, a closed conduit or tunnel may flow under pressure for all or part of its length, or it may ...

Appurtenant Structures for Dams (Spillway and Outlet Works ...

pressure potential is based on inspection of flow surfaces for existing spillways, evaluation of floor joint details and floor cracking for both existing and ...

An Owners Guidance Manual for the Inspection and ... - NY.gov

Procedure for inspection - Spillway inspection is an important part of a dam ... drawofT tunnel, and spillway tunnel. UNDERSEEPAGE. The interstitial ...