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Back to Case Studies 3.5 million retail images annotated in under five months at 98%+ accuracy.
CSUK retail AI company · shelf-visibility computer vision

3.5 million retail images annotated in under five months at 98%+ accuracy.

A UK-based retail AI company building computer vision solutions to analyse product placement and shelf visibility across thousands of stores. Their model performance depends on consistent, large-volume labelled image data — at a scale that broke their freelancer and in-house pipelines.

3.5M+ images labelled in under five months. 98%+ accuracy throughout. 58% lower cost than the previous mixed-vendor pipeline.

Service
Generative AI
3.5 million retail images annotated in under five months at 98%+ accuracy.
3.5M+
Images annotated in <5 months
98%+
Accuracy maintained
−58%
Cost vs prior pipeline

Challenge

Large variation in image data across thousands of stores, difficulty scaling annotation without losing quality, freelancers unable to maintain consistency, and the cost of expanding in-house teams — all blocking the client’s AI roadmap. They also needed non-technical users trained on annotation tools.

Approach

SBL Infotech built and trained a workforce of 80+ annotators on the client’s custom tools, supported multiple annotation types (bounding boxes, polygons, classification), and integrated directly with the client’s API for automated submission and tracking. A 100% sample QA by subject-matter experts, continuous monitoring and weekly reporting kept accuracy above 98% across all deliverables.

Outcome

The client’s AI roadmap is no longer rate-limited by data preparation. Faster model training and deployment, reduced dependency on unreliable freelancers, and a long-term scalable annotation pipeline ready for future computer-vision initiatives.
IX Case studies

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