Computer vision is playing an increasingly pivotal role across industry sectors, from tracking progress on construction sites to deploying smart barcode scanning in warehouses. But training the underlying AI model to accurately identify images can be a slow, resource-intensive endeavor that isn’t guaranteed to produce results. Fledgling German startup Hasty wants to help with the promise of “next-gen” tools that expedite the entire model training process for annotating images.
Hasty, which was founded out of Berlin in 2019, today announced it has raised $3.7 million in a seed round led by Shasta Ventures. The Silicon Valley VC firm has a number of notable exits to its name, including Nest (acquired by Google), Eero (acquired by Amazon), and Zuora (IPO). Other participants in the round include iRobot Ventures and Coparion.
The global computer vision market was pegged at $11.4 billion in 2020, a figure that is projected to rise to more than $19 billion by 2027. Data preparation and processing is one of the most time-consuming tasks in AI, accounting for around 80% of time spent on related projects. In computer vision, annotation, or labeling, is a technique used to mark and categorize images to give machines the meaning and context behind the picture, enabling them to spot similar objects. Much of this annotation work falls to trusty old humans.
The problem Hasty is looking to fix is that the vast majority of data science projects never make it into production, with significant resources wasted in the process.
“Current approaches to data labeling are too slow,” Hasty cofounder and CEO Tristan Rouillard told VentureBeat. “Machine learning engineers often have to wait three to six months for first results to see if their annotation strategy and approach is working because of the delay between labeling and model training.”
Hasty ships with 10 built-in automated AI assistants, each dedicated to reducing human spadework. Dextr, for instance, allows users to click just four extreme points on an object to highlight it and suggest annotations.
And Hasty’s AI “instance segmentation” assistant creates swifter annotations when it finds multiple instances of an object within an image.
The assistant observes while users annotate and can make suggestions for labels once it reaches a specific confidence score. And the user can correct these suggestions to improve the model while receiving feedback on how effective the annotation strategy is.
“This gives the neural network a learning curve — it learns on the project as you label,” Rouillard said.
There are already countless tools designed to simplify this process, including Amazon’s SageMaker, Google-backed Labelbox, V7, and Dataloop, which announced a fresh $11 million round of funding just last month.
But Hasty claims it can make the entire process significantly faster with its combination of automation, model-training, and annotation.
As with similar platforms, Hasty uses an interface through which humans and machines collaborate. Hasty can make suggested annotations after having been exposed to just a few human-annotated images, with the user (e.g. the machine learning engineer) accepting, rejecting, or editing that suggestion. This real-time feedback means models improve the more they are used in what is often referred to as a “data flywheel.”
“Everyone is looking to build a self-improving data flywheel. The problem with (computer) vision AI is getting that flywheel to turn at all in the first place, [as] it’s super expensive and only works 50% of the time — this is where we come in,” Rouillard said.
In effect, Hasty’s neural networks learn while the engineers are building out their datasets, so the “build,” “deploy,” and “evaluate” facets of the process happen more or less concurrently. A typical linear approach may take months to arrive at a testable AI model, which could be deeply flawed due to errors in the data or blind assumptions made at the project’s inception. What Hasty promises is agility.
That isn’t entirely novel, but Rouillard said his company views automated labeling as similar to autonomous driving, in that different technologies operate at different levels. In the self-driving vehicle sphere, some cars can only brake or change lanes, while others are capable of nearly full autonomy. Translated to annotation, Rouillard said Hasty take automation further than many of its rivals, in terms of minimizing the number of clicks required to label an image or batches of images.
“Everyone preaches automation, but it is not obvious what is being automated,” Rouillard explained. “Almost all tools have good implementations of level 1 automation, but only a few of us take the trouble of providing level 2 and 3 in a way that produces meaningful results.”
As data is essentially the fuel for machine learning, getting more (accurate) data into an AI model at scale is key.
In addition to a manual error finding tool, Hasty offers an AI-powered error finder that automatically identifies likely issues in a project’s training data. It’s a quality control feature that circumvents the need to search through data for errors.
“This allows you to spend your time fixing errors instead of looking for them and helps you to build confidence in your data quickly while you annotate,” Rouillard said.
Hasty claims around 4,000 users, a fairly even mix of corporations, universities, startups, and app developers that span just about every industry. “We have three of the top 10 German companies in logistics, agriculture, and retail using Hasty,” Rouillard added.
A typical agriculture use case might involve training an AI model to identify crops, pests, or diseases. In logistics, the model can be used to train machines to automatically sort parcels by type. Rouillard added that Hasty is also being used in the sports realm to provide real-time game analysis and stats for soccer coverage.
With $3.7 million in the bank, the company plans to accelerate product development and expand its customer base across Europe and North America.
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