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Controlling augmented reality display with transparency control using multiple sets of video buffers

A technology for video buffering and transparency, applied in static indicators, cathode ray tube indicators, instruments, etc., to solve the problems of AR display disappointment and dissatisfaction

Active Publication Date: 2020-11-13
ADOBE SYST INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Artifacts caused by these dropped frames result in random light and dark flickering which can be extremely annoying to users and can lead to disappointment and dissatisfaction among users with their AR displays

Method used

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  • Controlling augmented reality display with transparency control using multiple sets of video buffers
  • Controlling augmented reality display with transparency control using multiple sets of video buffers
  • Controlling augmented reality display with transparency control using multiple sets of video buffers

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Embodiment Construction

[0028] overview

[0029] The AR display implements a digital content overlay system that utilizes at least one switchable diffuser and a display screen to generate and present a digital overlay on a background view of a tangible object. In particular, digital content overlay systems utilize switchable diffusers and display screens, such as liquid crystal display ("LCD") screens, by rapidly alternating between emitted light images and background views of objects attenuated by transparency mask images. ) to generate a digital overlay. These objects may, for example, be located in the display housing. The digital content overlay system may alternate between the emitted light image and the background view attenuated by the transparency mask image at a display rate such that the emitted light image and the background view modified by the transparency mask image generate Composite view in which an object is positioned behind a digital content overlay system.

[0030] An AR disp...

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Abstract

Embodiments of the present disclosure relate to controlling an augmented reality display with transparency control using multiple sets of video buffers. The augmented reality display alternates between a display color frame and a display alpha frame to generate a composite image for transparency control. The display processor includes two sets of buffers, each set including a color frame buffer and an alpha frame buffer. One set of buffers is to provide data to the display while new video data is being written into the other set of buffers. The display processor switches to which set of buffers is providing data and which set of buffers is writing new video data therein. By switching the alpha frame buffers and color frame buffers in these groups, a pair of color frame buffers and alpha frame buffers are always current group buffers used to provide data as output. If frame loss occurs and the next color frame or alpha frame has not been ready, the set of buffers is not switched to avoid interfering with flickering visual artifacts.

Description

Background technique [0001] With the development of computer technology, computers have become more and more common in our life and have found various different uses. One such use is in augmented reality ("AR") displays. AR displays are display devices through which a user can view, but on which a computer can also display graphics, allowing virtual graphics over physical objects to be displayed in real time. [0002] One type of AR display alternates between displaying a color frame and an alpha frame. The color frame includes the virtual graphics to be displayed, and the alpha frame is a mask corresponding to the virtual graphics. Frames may be dropped for any of a variety of different reasons, such as rendering complexity of virtual graphics, video coding, file reading, physical interference of the AR display, etc. In case of a dropped frame, the same color frame or alpha frame can be displayed again. This can cause objectionable artifacts, since color frames often have...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/44H04N21/431
CPCH04N21/44004H04N21/4312G09G5/026G09G2320/0247G09G2340/125G09G2360/18G09G5/399G09G3/003G06T19/006G06T1/60G09G5/006G09G2320/0666
Inventor T·G·小罗德斯G·S·P·米勒魏立一孙琪
Owner ADOBE SYST INC
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