Google Cloud | Cartier

AI In Retail: Google Cloud Transforms Cartier’s Product Search Technology

Ever since jeweler Louis-Francois Cartier opened his first workshop in Paris in 1847, the name “Cartier” has been synonymous with exceptional quality. Almost two centuries later, the luxury Maison has popularized wristwatches for men, been dubbed the “jeweler of kings and king of jewelers” by King Edward VII, and continues to design, manufacture, and sell jewelry and watchmaking creations globally renowned for timeless design. 

While Maison Cartier prides itself on the vastness of its collection, manually browsing its catalog to find specific models, or comparing several models at once, could sometimes take quite some time for a sales associate at one of the Maison’s 265 boutiques. This was not ideal for a brand that is known for its swift and efficient client service. Thus, in 2020, Cartier turned to Google Cloud and its advanced AI and machine learning capabilities for a solution.

Thomas Meyer, Data Officer at Cartier: “We aim to build a global data & digital platform for our Maison, providing our teams with at scale analytics, versatile applications and artificial intelligence capabilities. Google Cloud is to be the core component of this data & digital platform.”

No time to spare: Overcoming product search challenges with AI

Cartier’s goal was to develop an application which, when shown an image of any Cartier watch ever designed in its 174-year history, could retrieve detailed information about its specific model and suggest similar-looking watches (with possibly different characteristics such as price) in under two seconds. Using the app, sales associates would be able to find specific products swiftly within a catalogue of more than a thousand watches—even some with only very slight variations between them.

But creating this app meant Cartier’s data team had to overcome some unique challenges. Training machine learning models requires huge volumes of training data—in this case, images of Cartier wristwatches—but Cartier has always been driven by exclusive design and its prestigious collections had very few in-store product images available, with variations in backgrounds, lighting, quality, and styling, making it difficult to categorize images. As a result, Cartier had to find a way to develop an image recognition system that was performing above the required benchmarks, as the Maison has very high standards for its client service. For the app to be successfully adopted in its stores, Cartier required at least a 90% accuracy rate, with the entire pipeline running within five seconds end-to-end when integrated. 

That’s when, leveraging their existing partnership with Google Cloud, Cartier’s data team reached out to us for support looking for more advanced machine learning capabilities to bring their vision to life. 

Move beyond customer experience

Working together with Cartier’s data team, we were able to help them solve their data and visual search challenge through trying out a number of machine learning experiments with Google Cloud AI Platform services, such as AutoML Vision, and Vision API, before rewriting custom code. In the end we built a data model specifically designed for Cartier’s use case: a combination of classifiers that run in parallel that first recognize a watch’s colors and materials, and then identifies which watch collection it belongs to. In the end, it provides a top three list of possible identities (visually similar watches) for the image, which users can click on to get more information, with up to 96.5% accuracy within three seconds.

GCP project architecture & process

Now, when customers are in need of a specific Cartier watch, the boutique team can help by taking a picture of the desired model (or use any existing photo of it as reference), and use the app to find its equivalent product page online. 

This solution also locates visually similar designed products in the catalog, displaying each with their own image, similarity score, and detailed description (if the boutique team clicks on it) for customers to explore. Meanwhile, an automatic tracked feedback mechanism enables users to evaluate how relevant the recommendations were so that the Cartier data team can continually improve the app. 

Served with style, thanks to the cloud

Today, Cartier’s image recognition app has been rolled out across the Maison’s 200+ global stores and is available to sales associates in need of quickly calling up catalogue data on Cartier’s vast watchmaking creations. It now takes a sales associate seconds to answer a question that used to take them several minutes. And over time the Maison hopes to further expand the app’s functionality. 

“The performance of cutting edge machine learning and easy handling makes Google Cloud Vision API a fantastic tool to quickly prototype most classification projects” explains Alexandre Poussard, Data Scientist at Cartier. “We look forward to deepening our collaboration with Google Cloud in the future.”

With AI and machine learning, the future looks bright for Cartier, just in the nick of time. Even beyond the boutiques, the success of this pioneering project is also opening doors to more innovation as it attracts the interest of other retail brands looking to tackle similar challenges. Learn more about Google Cloud AI and machine learning and retail solutions.

By: Anant Nawalgaria (Senior Machine Learning Specialist Engineer, Google) and Alex Erfurt (Machine Learning Product Specialist, Google)
Source: Google Cloud Blog

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