Improving Efficiencies for Food Processors and Packhouses with AI

Thursday, December 7th, 2023

How food processors and packhouses are improving efficiencies with new TOMRA solutions powered by artificial intelligence

 

James French, Head of Innovation at TOMRA Fresh Food, will be explaining how AI is already adding value and why its importance will grow in the upcoming Jan/Feb 2024 magazine issue. Here are some highlights of his insights:

  

  • We’ve been hearing a lot lately about artificial intelligence. The ability of computers to mimic human thought and decision-making, to automate tasks that traditionally required human intelligence, has stirred up all sorts of sensational news stories. In confirmation of this technology’s increasing importance, TOMRA Food has just launched two new AI-powered sorting and grading solutions.

 

  • One of those solutions, the all-new TOMRA Neon, pre-grades machine-harvested blueberries for the fresh market. The other, the new-generation Spectrim X series, leverages Deep Learning for unmatched sorting and grading precision of fruit. These machines are just the start of a revolution which will make the production of fresh and processed foods more efficient and profitable.

 

  • TOMRA Food has been utilising artificial intelligence since 2019 to make sorting and grading solutions more accurate than traditional techniques.

 

  • When AI is discussed, you might also hear the terms ‘Machine Learning’ and ‘Deep Learning’. Machine Learning is a collection of techniques that allows software systems to recognize patterns in data to provide measurements and insights. Deep Learning is a subset of Machine Learning that uses artificial neural networks to solve complex problems. These technologies are well suited to food production because many tasks involve data and decision-making.

 

  • AI is also relevant for food production because of the high level of variability in the industry, from weather and climate effects to natural variations in products. These factors mean that traditional systems can have a tough time making accurate predictions. It’s not enough just to have data – its quality is also a big factor in the performance of AI. As with traditional systems the better the data, the better the decisions. This is why having the best inspection and sensor systems matters so much: they can collect higher quality data which supercharges the AI system. This leads to more accurate and more consistent decisions which result in less food waste and more saleable product, as well as maximizing the product’s value.

 

  • AI technology can improve sorting and grading machines in a number of ways, it can help make more accurate ‘accept or reject’ decisions, recover more good product from compromised raw material through higher accuracy, and more precisely classify the products on the line into different grades to enable hands-free production. For example, heavy rain or frost has damaged so much of the incoming fruit that only 40% of it is packable: older technologies would not be accurate enough to recover this as they would mistakenly include too much damage, but AI makes it possible. As well as recovering a potentially disastrous harvest, this helps keep customers satisfied at times when the product might otherwise fail to make the grade.

 

  • Deep Learning is an AI method that uses pre-trained models to teach computers how to process data, such as complex patterns in photos. The newly-launched Spectrim X series grading platform is a great example of this. Developed by a team of industry-leading scientists, engineers, researchers, and experts, Spectrim X integrates the latest development of TOMRA’s LUCAi™ Deep Learning technology.

 

  • Spectrim X assesses thousands of high-resolution, multi-channel fruit images every second. Then it cross-references what it sees with AI networks that have been trained on tens of thousands of fruits to make grading decisions to meet precise market demands. This data has been captured from TOMRA machines across the globe and accurately hand-labelled by TOMRA’s Data Science Team. During 18 months of real-world testing in the USA and New Zealand, sorting and grading apples, Spectrim X showed a significant leap forward in performance compared to its predecessor.

 

  • AI also powers the new TOMRA Neon, to pre-grade blueberries. Automated blueberry harvesting is faster and less costly than manual harvesting but brings challenges in the form of unwanted debris and fruit clusters to fresh fruit processing and packing lines. To address these challenges, TOMRA Neon accepts and rejects fruit before transferring it directly onto TOMRA’s KATO260 optical sorter and grader. It is by using AI that TOMRA Neon is able to identify, differentiate, and remove unwanted clusters, undersize fruit, and unripe fruit. This optimizes optical grader efficiency by removing more than 95% of clusters and more than 90% of unwanted green and red berries.  

 

  • AI can also help processors and packhouses deal with other challenges, such as striving to provide products and services at the lowest cost; meeting customers’ product specifications without over- or under-delivering; and reducing or removing the problems associated with recruiting, training, and retaining skilled labor.

 

  • The headaches associated with finding enough people to do seasonal work, and the ongoing challenges of managing a workforce, can be addressed by automating tasks previously done manually. It’s no secret that sorting, grading, and packing machines are faster, more accurate, consistent, reliable, and ultimately more cost-efficient than humans.

 

  • This brings us back to the controversial subject of AI replacing jobs. It’s worth remembering that many processing plants, especially those not near large population centers, struggle to employ all the people they need – so rather than performing tasks previously done manually, automation often does what otherwise could not be done. Automation often handles tasks people don’t want to do because they are boring, repetitive, or strenuous. This is undoubtedly true of manual sorting and grading – and if workers are displaced from these roles, often they are redeployed to other tasks on the line, which are less monotonous and add more value.

 

  • Reducing labour dependence is just one of many ways AI-driven automation benefits processors and packhouses. AI is set to play an increasingly important role in meeting the needs and desires of food consumers as the world’s growing middle classes increase the demand for healthy food. And most importantly of all, AI will help meet the challenge of feeding the world’s vast and growing population, which will require more food production and less food waste.

 

Keep a lookout for our Jan/Feb issue in 2024 to get the complete picture.

 

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