Easy-To-Use Onion Tau Camera Offers an Affordable Entry Point to LIDAR-Like 3D Mapping

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ByRajni Setia 0

Onion Tau LiDAR Camera (TA-L10)

Boston-based Company, Onion Corporation has come up with a new easy-to-use LiDAR depth-sensing camera, Onion Tau that aims to be the new entry point to 3D mapping applications. This new LiDAR Time of Flight (ToF) camera can be used in various applications like augmented reality and computer vision for robotics, automation, self-driving cars, and object and people detection. When combined with an IMU sensor, the device also supports environmental mapping applications such as SLAM.

The Onion Tau camera offers a plug-and-play operation. It connects to any computer via its USB Type-C port and offers 4x M3 mounting holes. The device plugs like a USB webcam to a host computer or board, but instead of transferring standard images, it produces 3D depth data that can detect thin objects, track moving objects, and can be integrated into other applications leveraging environment mapping.

The LIDAR-style time-of-flight sensor used for the system outputs a real-time point cloud of depth data at 160x60 resolutions, greyscale imagery with a 0.1m to 7m depth range, and 30 frames per second frame rate. Frames from the Tau camera can be realized in multiple ways viz. 2D depth maps, 3D point clouds, regular 2D images, array or matrix objects in programs.

Key Features and Specifications of Onion Tau LiDAR Camera (TA-L10)

  • Depth technology – LiDAR Time of Flight
  • Depth stream output – 160 x 60 @ 30 fps
  • Depth range – 0.1 to 4.5 meters
  • Depth field of view (FOV) – 81˚ x 30°
  • Grayscale 2D camera image sent with 3D depth map data
  • Host interface – USB Type-C port
  • Dimensions – 90 x 41 x 20 mm; 4x M3 mounting holes

As put in by the company, "The Tau is an affordable next step beyond single-point depth or one-dimensional scanner solutions and serves as a great starting point for 3D depth sensing. In fact, Tau strikes a great balance between affordability and functionality when compared to other offerings in the 3D depth mapping."

The data from the Onion Tau camera can be accessed through the Tau Studio Web App or an OpenCV compatible Python API both of which are open-source with the code released on Github. The Onion Tau LiDAR Camera is available on Crowd Supply for $179 with shipment to start from May 23, 2021. 

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