OpenCV AI Kit Lite – A compact 4K Tri-camera kit for computer vision applications (Crowdfunding)

The OpenCV AI Kit “OAK-D” now has a little brother with the OpenCV AI Kit Lite equipped with the same Intel Myriad X-based DepthAI solution with three cameras, but in a much compact form factor and a price slashed to as low as $79 and up.

Like its predecessor, the OpenCV AI Kit leverage the Myriad X AI accelerator’s capabilities to provide a wide range of real-time computer vision applications, and can be programmed with C++ or Python APIs, as well as graphical user interfaces.
OpenCV AI Kit LIteOpenCV AI Kit Lite (OAK-D Lite) specifications:

  • Intel Myriad X-based DepthAI with 4 TOPS of AI performance
  • Cameras (made by ArduCam)
    • Color Camera
      • IMX214 (PLCC) with 4208×3120 resolution,  1.348:1 aspect ratio
      • 1/3.1 inch Lens size
      • 81.3 degrees DFOV
      • Focus range 8cm – ∞
    • Stereo Camera specifications:
      • Omnivision OV07251-G04A-1E (COB) with  640 x 480 resolution, 1.333:1 aspect ratio
      • 1/7.5 inch lens size
      • DFOV: 85.6,HFOV: 72.9, VFOV: 57.7
      • Focus range 6.5cm – ∞ (AT=13cm)
  • USB – USB 3.0 Type-C port
  • Power Supply – 5V via USB 3.0 Type-C port
  • Power consumption
    • Standby: 0.6 W
    • Running 4 W
    • Max consumption: 4.5 W
  • Dimensions – 91 x 28 x 17.5 mm
  • Weight – 61 grams
  • Materials – Aluminum and glass

Note that while it’s possible to use a USB 3.0 port to power the board, more demanding applications required a USB power supply. The package includes OAK-D-Lite only, as most people already have a bunch of USB-C cables at home/work.

OpenCV AI Kit Lite Computer Vision Features

There’s a long list of computer vision features that are made possible with the OAK-D Lite camera including:

  • Neural Inference (object detection, image classification, semantic segmentation, pose estimation)
  • Object tracking
  • 3D Object Tracking with up to 20 objects with a unique ID
  • 3D Object Localization
  •  H.264 & H.265 Encoding (HEVC, 1080P, and 4K Video) – A Raspberry Pi Zero can record 4K/30 FPS video with this camera
  • Motion Estimation for real-time background subtraction
  • Feature Tracking allowing optical and visual-inertial navigation
  • Corner Detection
  • Stereo Depth including median filtering, tended disparity, and subpixel possible for wider dynamic range
  • Warp/Dewarp allows low-latency image transformations all on OAK-D-Lite and with no host load. Examples include onboard RGB-depth alignment.
  • JPEG Encoding
  • MJPEG Encoding for web streaming

You can watch some of those features in action in the promo video below, as well as on the Kickstarter page linked below.

There are several options to program the camera for your projects. The easiest ways should be DepthAI-GUI visual programming WYSIWYG tool called DepthAI-GUI for more complex pipelines, or the Cortic Edge Platform (CEP) that’s more suitable for kids. There’s also the DepthAI API available in C++ or Python, and the computer vision camera is also compatible with the Intel OpenVINO toolkit. Programming is supported in Linux, MacOS, and Windows, and Android has just been added as a stretch goal, so it’s coming too but it will take some time to develop.

DepthAI Gui MobileNetSSD
DepthAI GUI – MobilenetSSD Pipeline

What’s not possible is to update the firmware running on the device because of “the closed nature of native tooling”, but Luxonis still provides ways of running custom code through scripting, custom NN models, and OpenCL kernels as detailed in the documentation.

The OpenCV AI Kit Lite has launched on Kickstarter a few days ago and destroyed its funding goal with over $500,000 raised from over 4,600 backers. That means several stretch goals have been met, meaning Yolov5, Android support, and Neural Depth (“Stereo depth meets machine learning”) will be implemented. There’s also a $2 million stretch goal to lower retail price from $149 to $99. But as an early backer of the project, you can get the AI camera kit for $79 (early bird) or $89. The shipping fee is not included, and will be provided once closer to shipping in December 2021 if everything goes according to plans. If you are based in mainland China, Hong Kong, or Macao, you can pledge via Oak China instead.

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