NDLI: Scene-adaptive high dynamic range display for low latency augmented reality

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Scene-adaptive high dynamic range display for low latency augmented reality

Content Provider	ACM Digital Library
Author	Whitton, Mary C. Whitted, Turner Fuchs, Henry Lincoln, Peter State, Andrei Blate, Alex Singh, Montek
Abstract	For generalized augmented reality to be feasible, the augmenting elements must be visible in varied environments and under rapidly changing, high dynamic range lighting, from bright sunlight to deep shadows. We present a high dynamic range, optical see-through, augmented reality display that dynamically adjusts the brightness of the virtual imagery to match the current brightness of the real scene. Critical components include the spatial brightness sensor array and the positional brightness image intensity matcher. The color, scene-adaptive HDR display system is based on a high-rate (15 kHz) DMD projector using a high-speed RGB LED illuminator, each color with independent 16 bit intensity control for each binary DMD frame. The critical input to the intensity matching algorithm is the output of an array of high sensitivity light sensors. This paper discusses the implementation of the system and reports performance via still and video demonstrations under a variety of lighting conditions.
Starting Page	1
Ending Page	7
Page Count	7
File Format	PDF
ISBN	9781450348867
DOI	10.1145/3023368.3023379
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2017-02-25
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Optical see-through Digital micromirror display High dynamic range Augmented reality
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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