Multi-volumetric refocusing of light fields

SS Jayaweera, CUS Edussooriya… - IEEE Signal …, 2020 - ieeexplore.ieee.org
Geometric information of scenes available with four-dimensional (4-D) light fields (LFs)
paves the way for post-capture refocusing. Light field refocusing methods proposed so far …

Lightweight all-focused light field rendering

T Chlubna, T Milet, P Zemčík - Computer Vision and Image Understanding, 2024 - Elsevier
This paper proposes a novel real-time method for high-quality view interpolation from light
field. The proposal is a lightweight method, which can be used with consumer GPU …

Low bitrate light field compression with geometry and content consistency

X Huang, P An, Y Chen, D Liu… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Light field imaging can simultaneously record the position and direction information of light
rays; thus, digital refocusing and full depth-of-field extension—functions that are …

Comparison of light field compression methods

D Barina, M Solony, T Chlubna, D Dlabaja… - Multimedia Tools and …, 2022 - Springer
In this article, we compare the impact of state-of-the-art light field compression methods. It
addresses quality of (a) refocused images and (b) point clouds reconstructed from 4D light …

Real-time light field video focusing and GPU accelerated streaming

T Chlubna, T Milet, P Zemčík, M Kula - Journal of Signal Processing …, 2023 - Springer
This paper proposes a novel solution of real-time depth range and correct focusing
estimation in light field videos represented by arrays of video sequences. This solution …

An efficient pseudo-sequence-based light field video coding utilizing view similarities for prediction structure

N Mehajabin, MT Pourazad… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Light Field (LF) video technology is a step towards offering a better immersive experience
through on-demand refocusing and perspective viewing. However, the significant increase …

Efficient random-access GPU video decoding for light-field rendering

T Chlubna, T Milet, P Zemčík - Journal of Visual Communication and Image …, 2024 - Elsevier
Compression method for GPU streaming of discrete light fields is proposed in this paper.
Views on the scene are encoded with video codec to enable streaming in real time. Instead …

Low Bitrate Light Field Video Compression with Two-step Refinement Reconstruction

H Li, X Huang, P An - 2024 IEEE International Conference on …, 2024 - ieeexplore.ieee.org
Light Fields (LFs) are characterized by high dimension, complex structure and large amount
of data. Therefore, the efficient compression of LF videos faces challenges. Existing methods …

Immersive media productions involving light fields and virtual production LED walls

V Helzle - Immersive Video Technologies, 2023 - Elsevier
During the last 100 years immersion in cinematography has undergone fundamental
technological advancements, for example, adding audio to silent movies, color to black and …

[PDF][PDF] A Comparative Study of Traditional Light Field Methods and NeRF

P Matysiak, S Ruano, M Alain… - 24th Irish Machine Vision …, 2022 - iprcs.github.io
Abstract Neural Radiance Fields (NeRF) is a recent technology which had a large impact in
computer vision, promising to generate high quality novel views and corresponding disparity …