VR Distorted Visuals Simulator for Drivers: 87% User Engagement Rate

Cooperating with Hymux Technologies, the customer delivered an application that simulates visual distortions of an intoxicated driver and overlays them on the image streamed to the virtual reality glasses in real time. At the moment, the pilot version features five major filters (latency vision, swirl, blur, vignette, and double vision) and their combinations that can be further tuned.

Now, the application is available for Android devices and is compatible with Google Cardboard and Samsung Gear VR glasses.

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Customer

The customer is a global automobile consortium, which also has a driving school of its own. At the school, teenagers can gain and improve their skills of safe driving at no cost. The training are conducted by professional tutors all over the world. The program under those trainings embraces four key areas that are critical factors in more 60% of car accidents: hazard recognition, vehicle handling, speed management, and space management.

Solution

The delivered application simulates five major distortion effects: latency vision, swirled, blurred, vignette, and double vision. In addition, a user can choose from a combination of these effects, as well as tune any of them.

With the OpenGL ES API, engineers at Hymux Technologies enabled the application to overlay visual distortion filters in real time. This API was also customized to deliver most of the filters themselves. The blur filter was developed using the NativeStackBlur library. To create a vignette effect, our specialists utilized the GPUImage library for Android.

Furthermore, development team at Hymux Technologies wrote an algorithm that puts the streamed images into a queue and transmits it back with the a delay at pre-set time intervals.

By exploring under-the-hood mechanisms of Samsung Gear VR, engineers at Hymux Technologies successfully implemented the application into Gear VR’s ecosystem.

Challenges

In the course of the project, development team at Hymux Technologies faced the following challenges:

• the application should apply distortion filters, while the image is streamed by the virtual reality glasses in real time.
• when the project kicked off, Samsung Gear VR was a brand new technology and our developers had to enable smooth app integration into its ecosystem.

Read more about our AR and VR development services.