71‐1: Invited Paper: High‐Quality Image Transmission with Reduced Bandwidth: A Strategy for Selective Downsampling and Precise Reconstruction

In this study, a novel anti‐aliasing image reconstruction approach for foveated transmission in VR/AR headset microdisplays is presented. It efficiently reduces transmission bandwidth by varying downsampling ratios across different image zones at the transmitter, and uses corresponding upscaling rat...

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Bibliographic Details
Published in:SID International Symposium Digest of technical papers 2024-04, Vol.55 (S1), p.611-614
Main Authors: Tzung-Yuan, Lee, Yu-Hsing, Chuang, Yao-Ming, Lin, Kun-Yueh, Lin, Chun-Ta, Wu, Yu-Hsun, Peng
Format: Article
Language:English
Subjects:
Aliasing
Bandwidth Reduction
Bandwidths
Coordinates
Foveated Transmission
Image enhancement
Image quality
Image Reconstruction
Image transmission
Micro Display
Multi Zone and Multi Resolution
VR/AR
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Summary:In this study, a novel anti‐aliasing image reconstruction approach for foveated transmission in VR/AR headset microdisplays is presented. It efficiently reduces transmission bandwidth by varying downsampling ratios across different image zones at the transmitter, and uses corresponding upscaling ratios at the receiver. Unique scaling‐ratios and slope parameters per position dynamically adjust the bilateral filter and bicubic interpolation in the optical coordinate system for enhancing detail preservation and minimizing aliasing artifacts. Image quality is assessed using MSSSIM, backed by experimental results.
ISSN:0097-966X
2168-0159
DOI:10.1002/sdtp.17153