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lg227210/
valve-detection-yolov8s

Name: valve-detection-yolov8s
Availability: InStock

industrial-inspection

gas-infrastructure

mit

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Valve Detection YOLOv8s — Gas Infrastructure Inspection

Model Description

YOLOv8s model trained to detect 4 types of valves in underground gas valve well inspection images. Trained using an iterative pseudo-labeling strategy starting from just 30 manually annotated images, achieving 92.95% mAP50 through 10 rounds of self-improvement.

Performance

Metric	Value
mAP50	92.95%
mAP50-95	72.8%
Model Size	21.5 MB (PyTorch)
Inference Speed	~8ms per image (MPS)
Training Rounds	10 (iterative pseudo-labeling)

Detectable Valve Types (4 Classes)

Class	Description
gate_valve	Gate valve (闸阀)
globe_valve	Globe valve (截止阀)
ball_valve	Ball valve (球阀)
other_valve	Other valve types (其他)

Usage

python

from ultralytics import YOLO

model = YOLO("lg227210/valve-detection-yolov8s")
results = model("inspection_photo.jpg")

for result in results:
    for box in result.boxes:
        cls = int(box.cls)
        conf = float(box.conf)
        print(f"Valve: {model.names[cls]}, Confidence: {conf:.2f}")

Training Methodology

This model was trained using iterative pseudo-labeling:

Start with 30 manually annotated images
Train initial model (R1)
Use model to generate pseudo-labels for unlabeled images
Retrain with expanded dataset
Repeat for 10 rounds, each time improving accuracy

Round	Training Images	mAP50
R1	30	34.5%
R5	~2,000	78.2%
R10	~30,000	92.95%

Part of the Inspection Pipeline

This model is part of a 3-stage pipeline:

Valve Detection — This model (mAP50 = 92.95%)
Anomaly Detection — lg227210/anomaly-detection-yolov8s (mAP50 = 48.2%)
Anomaly Classification — EfficientNet-B0 (74% accuracy, severity scoring)

Available Formats

PyTorch (.pt) — Default
ONNX (.onnx) — Cross-platform deployment
CoreML (.mlpackage) — iOS/macOS
TorchScript (.torchscript) — Embedded systems

Dataset

Trained on 861,000+ real underground gas valve well inspection images (2592x1944 resolution, 973K total, 87.9% quality pass rate).

Commercial Licensing

For commercial use, contact for licensing options. Custom model development services available starting at $500.

Built on Apple M4 Mac Mini with PyTorch MPS acceleration. Total training: ~50 hours across 10 rounds of iterative pseudo-labeling.

lg227210/valve-detection-yolov8s