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Ghost raises $100M Series D for autonomous driving and crash prevention tech

Autonomous driving system developer Ghost Locomotion has raised a $100 million Series D funding round, led by Sutter Hill Ventures. Returning investor Founders Fund also participated in the round, along with Coatue. The money will be used toward R&D as the company continues to develop its highway self-driving and crash prevention technology. Ghost has been […]

Autonomous driving system developer Ghost Locomotion has raised a $100 million Series D funding round, led by Sutter Hill Ventures. Returning investor Founders Fund also participated in the round, along with Coatue. The money will be used toward R&D as the company continues to develop its highway self-driving and crash prevention technology.

Ghost has been working on a universal collision avoidance technology. The system is premised on the idea that an autonomous driving system doesn’t need to recognize and categorize objects prior to avoiding them – a major paradigm shift. Most systems begin by identifying an object and then use image localization to determine its size, distance and other relevant features.

“We skip that step,” Ghost CEO John Hayes told TechCrunch. “We’re going to recognize anything, any mass that appears in the scene, and then we can get a distance and relative velocity to that. We can start making decisions directly off that data before we’ve classified anything.”

Ghost instead tracks the movement of clusters of pixels in a scene. Hayes pointed to instances where an object is misclassified, or objects that the system hasn’t trained on, as possible failure modes and a reason why classification does not need to be a prerequisite for collision avoidance. Much of this comes down to the certainty of the system’s decisions. According to Ghost, an autonomous system that starts from image recognition is one loaded with lots of opportunity for uncertainty – and it argues, less safe actions on the road.

One obvious counter-argument is that objects should be classified because they behave differently – a vehicle acts differently than a pedestrian, so classification is what allows a system to predict their behavior. But Hayes said that one shouldn’t start with classification, but collision avoidance. “And then if you want to make predictions, you can still do classification,” he said.

One benefit of its system, according to Ghost, is that it requires less computational power – an important consideration for vehicle owners, as higher processing demands can translate into less fuel efficiency. It’s also important for battery electric vehicles that have autonomous driving systems, as each watt of computer power demanded by the AV system can cause a reduction in driving range. Tesla, for example, revealed in 2019 that driving range could be reduced by up to 25% when the driver-assist system was enabled.

Ghost wants to retrofit your car so it can drive itself on highways in 2020

Ghost has performed most if its tests off-road, by setting up physical obstacles or by using augmented reality up against a real vehicle. It has not yet started testing its collision avoidance system in an urban environment, where decision complexity skyrockets considerably. Nor has it started testing on public highways – that will begin this year, and scale up next year, with a human safety driver behind the wheel, Hayes said.

The company seems to have slightly altered its market roadmap since it last talked to TechCrunch in 2019. Then, Ghost was developing a consumer kit that would give privately owned passenger vehicles autonomous driving capability on highways. It had estimated that it would debut the kit in 2020, for less than Tesla’s Autopilot package (which went for around $7,000 at the time).

The company hasn’t completely closed the door on this model – Hayes said that “we want to get this in front of customers” – but now it’s also talking about working with automakers directly to get its technology stack into vehicles before they’re even sold.

“We’ll find any path to market we can take,” he added. Under the straight-to-consumer model, the company is starting with a limited number of compatible models, and the cars must be relatively new due to the minimum technological requirements of the system.

Along with the funding news, Ghost also said it had brought on Jacqueline Glassman, former Chief Counsel and Acting Administrator of the National Highway Traffic Safety Administration, as General Counsel. She joined the company in April and will likely play a key role as Ghost joins other autonomous driving technology developers in the path to commercialization.

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