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AI Powered Multi Camera Person Re Identification

We partnered with a leading security technology provider in Saudi Arabia to build a next-generation surveillance platform. By fusing Face Embeddings, Gait Analysis, and Shoe Pattern Recognition, we engineered a system capable of tracking individuals across non-overlapping camera networks with high precision, even in crowded or low-light environments.

The Impact Dashboard (Metrics)

Re-ID Accuracy
+ 25 %
False Matches
- 30 %
Concurrent Cameras
20 +

The "Broken Track" Problem

Tracking a subject across a large facility with hundreds of cameras is notoriously difficult. Traditional systems lose the “Identity Lock” when a person walks into a blind spot or changes direction (non-overlapping fields of view). Reliance on face recognition alone failed when subjects turned away from the camera or wore masks. The client needed a robust solution that could maintain identity consistency using multiple biometric signatures.

Key Bottlenecks

Identity Drift

Subjects were often re-assigned new IDs when moving between cameras, creating fragmented tracking logs.

Occlusion Failure

Standard models failed when a person was partially blocked by a crowd or object.

Low-Light Variance

Noisy footage from older cameras degraded facial recognition accuracy significantly.

Search Latency

Matching a query image against millions of historical vectors slowed down real-time alerts.

Client Profile

Region

Saudi Arabia

Focus

Smart Surveillance

Core Tech

YOLOv10, SwinGait, InsightFace, FAISS, Docker

Multi-Modal Biometric Fusion

Inexture.ai engineered a Multi-Modal Re-ID System. Instead of relying on a single feature, we treat identity as a composite vector. We use InsightFace for facial features, SwinGait to analyze walking patterns, and a custom ResNet-50 model to extract shoe and clothing embeddings. These vectors are fused and indexed in FAISS for millisecond-level retrieval.

Engineering The Platform

Advanced Person Detection
Enabling Tech

Solution

Deployed YOLOv10 for high-accuracy bounding box detection and YOLOv10-Pose for skeletal keypoint estimation. This ensures the system captures the subject even in crowded scenes.

Impact

+22% improvement in initial detection accuracy.

Gait Recognition Pipeline
Enabling Tech

Solution

Integrated SwinGait (Swin-T), a deep learning model that identifies individuals by their unique walking cadence and stride, which remains consistent even when the face is hidden.

Impact

+25% accuracy improvement in occluded environments.

Shoe & Body Analytics
Enabling Tech

Solution

Trained a specialized ResNet-50 model to generate 2048D embeddings for footwear and clothing color histograms. This "Appearance Vector" helps resolve identity when biometric traits are unavailable.

Impact

30% reduction in false positives (e.g., distinguishing two people wearing similar shirts by their shoes).

Low-Light Enhancement
Enabling Tech

Solution

Implemented a pre-processing layer using ZeroDCE++ and CLAHE to enhance low-light footage in real-time before feeding it into the recognition models.

Impact

+20% improvement in tracking stability during night shifts.

Business Impact

Tracking Accuracy

25% improvement in Re-ID accuracy, allowing security teams to reliably follow a suspect from the parking lot to the building interior without losing the track.

Operational Efficiency

35% reduction in manual review time, as operators no longer need to manually stitch together footage from different cameras to reconstruct a path.

False Alarm Reduction

30% decrease in false matches, significantly increasing operator trust in the automated alert system.

Industries We Serve

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