AGI: Enough with the hype; let’s ask the important questions
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Mapping the future in a driverless world
May 26, 2023
High-definition mapping is a critical enabler for creating a driverless world of autonomous vehicles – and training AV algorithms with these hyper-detailed maps is the other crucial step.
According to research firm Gartner, an additional 2.5 million autonomous vehicles will hit the market by 2029. But how soon you’ll see AVs in your business ecosystem depends on how quickly automakers can perfect high-definition (HD) mapping, a critical enabler of safe and secure AV operations.
HD mapping is a colossal undertaking that employs advanced mapping technologies to generate detailed and accurate representations of the real-world environment. It requires the continuous collection and analysis of complex data points from disparate sources owned by various stakeholders within the connected mobility ecosystem. Therefore, one of the biggest challenges in building HD maps is maintaining a near-perfect degree of real-time accuracy, without which AV users may become lost, disabled, or worse.
HD maps are more accurate than satellite-based Global Positioning Systems (GPS). An augmented digital twin of the physical world, they provide detailed and contextual models of the operating environment that assist AVs in avoiding mistakes, like interpreting the moon as a yellow traffic light.
In our personal lives, we have become accustomed to traditional maps augmented by advanced metadata that allows them to incorporate points of interest like local restaurants or alerts like road-work warnings. However, HD maps include more advanced insights and plot data in more granular resolutions that capture as little as 1.9 inches (or roughly 5 centimeters) of real-world space.
This is achievable through data inflows from a variety of sources, including:
Figure 1
Many companies are racing to perfect HD mapping for the AV sector. A recent report from Allied Market Research notes a $3.7 billion valuation for the HD mapping market, expected to leap to $66.1 billion by 2035. But the most promising initiatives in the market today are focused on making HD maps easier to build and use.
Zenzic, the UK hub organization for self-driving vehicle development, and Ordnance Survey (OS), Great Britain's National Mapping Agency, have taken the lead in advocating for greater collaboration between government authorities and various industries to establish a centralized, authoritative global data source for HD mapping. Their published Geodata report offers analysis and recommendations for common approaches and data standards in self-driving vehicle testing.
Figure 2
Building the HD map is challenging, but it is even more difficult to train the vehicle — or, more accurately, its underlying technology. Using machine learning (ML), AVs are taught how to read and respond to data points on the map, understand instructions and accurately contextualize new data. As a result, the vehicles can constantly perceive and predict changes in the surrounding environment.
This includes developing the ML models to allow the vehicle to accurately distinguish between stationary and dynamic objects, such as traffic signs and pedestrians, as well as sudden, unexpected objects or events like debris or a road closure.
These models must also be able to identify the optimal response to each of these objects or events within the vehicle’s immediate environment. For example, the ideal reaction is based not just on the type of object the vehicle encounters, but also other factors, such as time of day, weather conditions and vehicle speed. When you consider how many scenarios and variables these models must be trained to respond to, it is easy to see how vast and complex that underlying data set must be — and how quickly the model must be able to process that data to identify and execute the optimal action.
Building these algorithms requires thousands of hours of careful and diligent training led by highly skilled engineers who manage the end-to-end process closely. Before an AV can take to a real-world road, it must undergo millions of (virtual) miles of simulated driving and thousands of hours of supervised operation. These engineers help the algorithms understand the environment and make correct decisions, root-cause problems that arise and design new failsafe mechanisms as needed.
The world around us moves at exponential speed. As a result, AV teams face the unique challenge of building new technology for an ever-shifting and -evolving environment. That’s why they continually enhance and expand HD mapping capabilities using the abundance of first-hand data captured by vehicles as they travel, as well as data from third-party sources.
Much work is needed before we see driverless tires hit the road at scale. From creating hyper-detailed mapping services to training algorithms across millions of miles and thousands of hours, many steps remain to ensure the safety and security of driverless vehicles.
As the world’s automakers, public organizations and AV start-ups continue to collaborate to improve HD mapping standards, driverless vehicles will be coming to a road near you with more intelligence and safety built in.
To learn more about how Cognizant is helping the autonomous vehicle market and digital disruptors, please visit our Digital Disruptors knowledge hub or contact us to schedule a consultation.
This article was written by Ramakrishna Mulukutla and Kanti Kopalle, Assistant Vice Presidents in Cognizant’s Digital Disruptors Business Operations practice.
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