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Case Study

AI-Driven Spatial Analytics for Digital Signage

Real-time audience measurement and spatial analytics running directly on edge cameras — streaming insights via Kafka to cloud dashboards without transmitting raw video.

TensorFlowApache KafkaSparkEdge AI

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Real-time

Audience Measurement

Demographics, attention duration, and dwell time — all computed on-device, never in the cloud

Zero

Raw Video Transmitted

Edge inference extracts metadata only — Kafka streams structured events to cloud dashboards

30fps

Processing Speed

TensorRT-optimized models running on embedded GPU — full-frame spatial analytics at broadcast speed

Deployed across 4 locations · Apache Kafka + Spark + TensorFlow + Scikit-learn

[01]

The Challenge

A global retail chain wanted to maximize the ROI of its expensive in-store digital signage.

The client needed a solution that could:

Personalize signage content based on anonymous audience profiles.
Provide marketers with real-time analytics on engagement.
Strictly comply with global privacy regulations (GDPR, CCPA).

[02]

The Solution

NSigma designed and deployed an AI-powered facial analysis platform built around anonymity and edge-only processing:

Computer Vision Pipeline

OpenCV + CNN-based demographic classifiers detected age bands, gender, and dwell time, never storing or transmitting biometric data.

Edge-first Deployment

Dockerized microservices ran on local signage units, ensuring compliance by keeping processing on-site.

Marketing Dashboard

A custom React + D3.js interface let marketing teams monitor campaign effectiveness in real time, comparing engagement across stores and promotions.

Dynamic Content Integration

The system linked with CMS platforms so signage could instantly switch to the most relevant promotion.

[03]

The Results

40%

Campaign engagement rates increased as promotions became more relevant.

Days

Regional managers could A/B test campaigns live, cutting experimentation cycles from weeks to days.

Zero PII

Compliance officers verified that no personally identifiable information was ever stored.

Strategic

Insights fed back into long-term marketing strategy, reshaping how digital campaigns were budgeted.

[04]

Why It Matters

Retailers spend millions on digital signage but often treat it as static billboards. This project proved that when paired with responsible AI, signage becomes a two-way intelligence system.

Ready to make your cameras intelligent?

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Transform your data into your greatest competitive advantage. Let's discuss how NSigma can accelerate your AI journey.

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