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Compression is an important task for many practical applications of light fields. Although previous work has proposed numerous methods for efficient light field compression, the effect of view selection on this task is not well exploited.…

Image and Video Processing · Electrical Eng. & Systems 2022-12-26 Yang Chen , Martin Alain , Aljosa Smolic

Light field data records the amount of light at multiple points in space, captured e.g. by an array of cameras or by a light-field camera that uses microlenses. Since the storage and transmission requirements for such data are tremendous,…

Image and Video Processing · Electrical Eng. & Systems 2019-05-21 David Barina , Tomas Chlubna , Marek Solony , Drahomir Dlabaja , Pavel Zemcik

Advances in image compression, storage, and display technologies have made high-quality images and videos widely accessible. At this level of quality, distinguishing between compressed and original content becomes difficult, highlighting…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Michela Testolina , Mohsen Jenadeleh , Shima Mohammadi , Shaolin Su , Joao Ascenso , Touradj Ebrahimi , Jon Sneyers , Dietmar Saupe

Light field (LF) technology is considered as a promising way for providing a high-quality virtual reality (VR) content. However, such an imaging technology produces a large amount of data requiring efficient LF image compression solutions.…

Image and Video Processing · Electrical Eng. & Systems 2021-03-09 Nader Bakir , Wassim Hamidouche , Sid Ahmed Fezza , Khouloud Samrouth , Olivier Deforges

Learning-based image compression methods have recently emerged as promising alternatives to traditional codecs, offering improved rate-distortion performance and perceptual quality. JPEG AI represents the latest standardized framework in…

Image and Video Processing · Electrical Eng. & Systems 2025-04-11 Mohsen Jenadeleh , Jon Sneyers , Panqi Jia , Shima Mohammadi , Joao Ascenso , Dietmar Saupe

Light field technology represents a viable path for providing a high-quality VR content. However, such an imaging system generates a high amount of data leading to an urgent need for LF image compression solution. In this paper, we propose…

Image and Video Processing · Electrical Eng. & Systems 2020-03-30 Nader Bakir , Wassim Hamidouche , Sid Fezza , Khouloud Samrouth , Olivier Déforges

High angular resolution is advantageous for practical applications of light fields. In order to enhance the angular resolution of light fields, view synthesis methods can be utilized to generate dense intermediate views from sparse light…

Image and Video Processing · Electrical Eng. & Systems 2020-08-13 Yang Chen , Martin Alain , Aljosa Smolic

This paper presents a learning-based approach to synthesize the view from an arbitrary camera position given a sparse set of images. A key challenge for this novel view synthesis arises from the reconstruction process, when the views from…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Nan Meng , Kai Li , Jianzhuang Liu , Edmund Y. Lam

With the introduction of consumer light field cameras, light field imaging has recently become widespread. However, there is an inherent trade-off between the angular and spatial resolution, and thus, these cameras often sparsely sample in…

Computer Vision and Pattern Recognition · Computer Science 2016-09-13 Nima Khademi Kalantari , Ting-Chun Wang , Ravi Ramamoorthi

Light field, as a new data representation format in multimedia, has the ability to capture both intensity and direction of light rays. However, the additional angular information also brings a large volume of data. Classical coding methods…

Image and Video Processing · Electrical Eng. & Systems 2024-07-16 Henan Wang , Hanxin Zhu , Zhibo Chen

Light field imaging, which captures spatio-angular information of incident light on image sensor, enables many interesting applications like image refocusing and augmented reality. However, due to the limited sensor resolution, a trade-off…

Image and Video Processing · Electrical Eng. & Systems 2020-07-15 Chang-Le Liu , Kuang-Tsu Shih , Jiun-Woei Huang , Homer H. Chen

In this work, we present a novel learning-based approach to synthesize new views of a light field image. In particular, given the four corner views of a light field, the presented method estimates any in-between view. We use three…

Computer Vision and Pattern Recognition · Computer Science 2021-02-19 Julia Navarro , Neus Sabater

Capturing and rendering novel views of complex real-world scenes is a long-standing problem in computer graphics and vision, with applications in augmented and virtual reality, immersive experiences and 3D photography. The advent of deep…

Graphics · Computer Science 2024-08-09 Ravi Ramamoorthi

Light field (LF) imaging has gained significant attention due to its recent success in 3-dimensional (3D) displaying and rendering as well as augmented and virtual reality usage. Nonetheless, because of the two extra dimensions, LFs are…

Image and Video Processing · Electrical Eng. & Systems 2022-04-20 Eisa Hedayati , Timothy C. Havens , Jeremy P. Bos

View synthesis is a process for generating novel views from a scene which has been recorded with a 3-D camera setup. It has important applications in 3-D post-production and 2-D to 3-D conversion. However, a central problem in the…

Computer Vision and Pattern Recognition · Computer Science 2014-06-25 Julian Habigt , Klaus Diepold

We propose a method for reconstructing a continuous light field of a target scene from a single observed image. Our method takes the best of two worlds: joint aperture-exposure coding for compressive light-field acquisition, and a neural…

Computer Vision and Pattern Recognition · Computer Science 2023-11-17 Yuya Ishikawa , Keita Takahashi , Chihiro Tsutake , Toshiaki Fujii

Light field (LF) representations aim to provide photo-realistic, free-viewpoint viewing experiences. However, the most popular LF representations are images from multiple views. Multi-view image-based representations generally need to…

Multimedia · Computer Science 2018-05-30 Xiang Zhang , Philip A. Chou , Ming-Ting Sun , Maolong Tang , Shanshe Wang , Siwei Ma , Wen Gao

A concept of light-fields computed from multiple view images on regular grids has proven its benefit for scene representations, and supported realistic renderings of novel views and photographic effects such as refocusing and shallow depth…

Computer Vision and Pattern Recognition · Computer Science 2025-10-24 Hyunjun Jung , Hae-Gon Jeon

We present a practical and robust deep learning solution for capturing and rendering novel views of complex real world scenes for virtual exploration. Previous approaches either require intractably dense view sampling or provide little to…

Computer Vision and Pattern Recognition · Computer Science 2019-05-03 Ben Mildenhall , Pratul P. Srinivasan , Rodrigo Ortiz-Cayon , Nima Khademi Kalantari , Ravi Ramamoorthi , Ren Ng , Abhishek Kar

Light field imaging is limited in its computational processing demands of high sampling for both spatial and angular dimensions. Single-shot light field cameras sacrifice spatial resolution to sample angular viewpoints, typically by…

Computer Vision and Pattern Recognition · Computer Science 2018-02-07 Mayank Gupta , Arjun Jauhari , Kuldeep Kulkarni , Suren Jayasuriya , Alyosha Molnar , Pavan Turaga
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