17933409. CACHE ARCHITECTURE FOR IMAGE WARP PROCESSING SYSTEMS AND METHODS simplified abstract (Apple Inc.)

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CACHE ARCHITECTURE FOR IMAGE WARP PROCESSING SYSTEMS AND METHODS

Organization Name

Apple Inc.

Inventor(s)

Ido Y Soffair of Cupertino CA (US)

Uri Nix of San Jose CA (US)

Yung-Chin Chen of Saratoga CA (US)

Jim C Chou of San Jose CA (US)

Jian Zhou of Pleasanton CA (US)

Assaf Menachem of Hod Hasharon (IL)

Sorin C Cismas of Saratoga CA (US)

CACHE ARCHITECTURE FOR IMAGE WARP PROCESSING SYSTEMS AND METHODS - A simplified explanation of the abstract

This abstract first appeared for US patent application 17933409 titled 'CACHE ARCHITECTURE FOR IMAGE WARP PROCESSING SYSTEMS AND METHODS

Simplified Explanation

The abstract describes a device with image processing circuitry that warps input image data to account for distortions associated with displaying the image, ultimately generating warped image data for display on a screen.

  • Two-stage cache architecture:
 - Includes a first cache and a second cache for storing and processing image data.
 - Utilizes mapping data to warp input image data between input and output image spaces.
 - Populates the first cache with input image data and the second cache with selected pixel values from the first cache based on a sliding window approach.
  • Interpolation:
 - Involves interpolating between pixel values of the selected grouping in the second cache to generate pixel values of the warped image data.
 - Helps in accurately representing the warped image on the display screen.
  • Potential Applications:
 - Virtual reality (VR) and augmented reality (AR) devices.
 - Medical imaging equipment.
 - Gaming consoles and graphics processing units (GPUs).
  • Problems Solved:
 - Distortions in displaying images on screens.
 - Efficient processing and rendering of warped image data.
  • Benefits:
 - Improved image quality and accuracy.
 - Enhanced user experience in viewing images on displays.
  • Potential Commercial Applications:
 - Display technology companies.
 - Electronics manufacturers.
 - Software developers for image processing applications.
  • Possible Prior Art:
 - Prior art related to image warping techniques in display devices.
 - Existing patents on cache architectures for image processing.
      1. Unanswered Questions:
        1. How does the two-stage cache architecture improve image processing efficiency?

The two-stage cache architecture optimizes the storage and retrieval of image data, reducing processing time and enhancing overall performance.

        1. What are the specific distortions that the image processing circuitry accounts for in the warping process?

The image processing circuitry may address distortions such as perspective distortion, lens distortion, and screen curvature to accurately display images on the screen.


Original Abstract Submitted

A device may include a display for displaying an image frame based on warped image data and image processing circuitry to generate the warped image data by warping input image data to account for one or more distortions associated with displaying the image. The image processing circuitry may include a two-stage cache architecture having an first cache and an second cache and warp the input image data by generating mapping data indicative of a warp between the input image space and the output image space and fetching the input image data to populate the first cache. Warping may also include populating the second cache with a grouping of pixel values from the first cache that are selected according to a sliding window that traverses the first cache based on the mapping data and interpolating between pixel values of the grouping to generate pixel values of the warped image data.

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