Flex 4K

The Omnitek Flex 4K Soc is a silicon chip that offers advanced warping and edge blending of video images and allows rectilinear and arbitrary image warps to be applied to a video stream of 4K images (up to 4096 x 2400 at 60 frames per second). The Flex 4K device is ideal for projector image correction, camera lens correction and VR/AR applications.

Flex 4K Block Diagram

The comprehensive specifications and functions of Flex allow it to be used in any application that requires image geometry correction such as projectors, video-walls, cameras and virtual reality headsets.

Flex 4K can be controlled via SPI and I2C ports to allow both low-level warp instructions (such as keystone correction, rotation, pin cushion and barrel correction) and high-level commands (such as forward and inverse grid transformations).

Omnitek’s SoCs reduce manufacturer development costs and time to market. The highly integrated devices delivering a very comprehensive set of functions reduce the bill of materials for consumer and Pro AV products and simplify PCB design.

Key Features

  • Real time transforms (instantaneous response to new warp mesh).
  • Support for image sizes up to 4096 x 2400 at up to 60 fps.
  • 10-bit RGB 4:4:4 processing for highest image quality.
  • Very low output latency (1/10th of a frame up to a maximum of 1 frame depending on transform).
  • Per-pixel Low Pass Filter coefficient sets available for highest filter quality.
  • Bi-cubic Interpolation.
  • 360 degree Rotation.
  • Gamma Correction.
  • Black Lift / Uniformity Correction.
  • 3D Ordering.
  • Highly efficient external memory interface.
  • SPI and I2C Control.
  • High level control of keystone correction, rotation, pin cushion and barrel correction.
  • Low level control of arbitrary warp via real time mesh.
  • Embedded Test Pattern Generator (multiple patterns / resolutions)
  • Evaluation development board and reference software.

Applications

  • Projectors and Multi-Projector Installations
  • 2D and 3D Image Projection
  • Projection on to non-flat / distorted surfaces
  • Lens Correction
  • Virtual and Augmented Reality Headsets
  • Video Walls

Demonstration of the Warping feature in Flex 4K

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