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Light field cameras have been proved to be powerful tools for 3D reconstruction and virtual reality applications. However, the limited resolution of light field images brings a lot of difficulties for further information display and…

图像与视频处理 · 电气工程与系统科学 2020-08-27 Qingyan Sun , Shuo Zhang , Song Chang , Lixi Zhu , Youfang Lin

A densely-sampled light field (LF) is highly desirable in various applications, such as 3-D reconstruction, post-capture refocusing and virtual reality. However, it is costly to acquire such data. Although many computational methods have…

图像与视频处理 · 电气工程与系统科学 2020-09-29 Jing Jin , Junhui Hou , Jie Chen , Huanqiang Zeng , Sam Kwong , Jingyi Yu

Plenoptic cameras usually sacrifice the spatial resolution of their SAIs to acquire geometry information from different viewpoints. Several methods have been proposed to mitigate such spatio-angular trade-off, but seldom make use of the…

图像与视频处理 · 电气工程与系统科学 2020-03-31 Nan Meng , Xiaofei Wu , Jianzhuang Liu , Edmund Y. Lam

Current SSM-based light field super-resolution (LFSR) methods often fail to fully leverage the complementarity among various LF representations, leading to the loss of fine textures and geometric misalignments across views. To address these…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Zeqiang Wei , Kai Jin , Kuan Song , Xiuzhuang Zhou , Wenlong Chen , Min Xu

Light field (LF) imaging, which captures both spatial and angular information of a scene, is undoubtedly beneficial to numerous applications. Although various techniques have been proposed for LF acquisition, achieving both angularly and…

计算机视觉与模式识别 · 计算机科学 2022-01-05 Trung-Hieu Tran , Jan Berberich , Sven Simon

Advances in portability and low cost of plenoptic cameras have revived interest in light field imaging. Light-field imaging has evolved into a technology that enables us to capture richer visual information. This high-dimensional…

图像与视频处理 · 电气工程与系统科学 2025-10-10 Sumit Sharma

While deep learning-based super-resolution (SR) methods have shown impressive outcomes with synthetic degradation scenarios such as bicubic downsampling, they frequently struggle to perform well on real-world images that feature complex,…

计算机视觉与模式识别 · 计算机科学 2026-02-05 Hyeonjae Kim , Dongjin Kim , Eugene Jin , Tae Hyun Kim

Most learning-based super-resolution (SR) methods aim to recover high-resolution (HR) image from a given low-resolution (LR) image via learning on LR-HR image pairs. The SR methods learned on synthetic data do not perform well in…

图像与视频处理 · 电气工程与系统科学 2020-01-09 Dong Gong , Wei Sun , Qinfeng Shi , Anton van den Hengel , Yanning Zhang

The Light Field (LF) deblurring task is a challenging problem as the blur images are caused by different reasons like the camera shake and the object motion. The single image deblurring method is a possible way to solve this problem.…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Zeqi Shen , Shuo Zhang , Zhuhao Zhang , Qihua Chen , Xueyao Dong , Youfang Lin

Recently, machine learning based single image super resolution (SR) approaches focus on jointly learning representations for high-resolution (HR) and low-resolution (LR) image patch pairs to improve the quality of the super-resolved images.…

计算机视觉与模式识别 · 计算机科学 2016-07-26 Yukai Shi , Keze Wang , Li Xu , Liang Lin

Light field (LF) cameras record both intensity and directions of light rays, and encode 3D scenes into 4D LF images. Recently, many convolutional neural networks (CNNs) have been proposed for various LF image processing tasks. However, it…

图像与视频处理 · 电气工程与系统科学 2023-07-25 Yingqian Wang , Longguang Wang , Gaochang Wu , Jungang Yang , Wei An , Jingyi Yu , Yulan Guo

We propose a new approach for the image super-resolution (SR) task that progressively restores a high-resolution (HR) image from an input low-resolution (LR) image on the basis of a neural ordinary differential equation. In particular, we…

图像与视频处理 · 电气工程与系统科学 2022-01-25 Seobin Park , Tae Hyun Kim

Recently, numerous algorithms have been developed to tackle the problem of light field super-resolution (LFSR), i.e., super-resolving low-resolution light fields to gain high-resolution views. Despite delivering encouraging results, these…

计算机视觉与模式识别 · 计算机科学 2022-01-04 Shunzhou Wang , Tianfei Zhou , Yao Lu , Huijun Di

Light field (LF) cameras can record scenes from multiple perspectives, and thus introduce beneficial angular information for image super-resolution (SR). However, it is challenging to incorporate angular information due to disparities among…

图像与视频处理 · 电气工程与系统科学 2020-12-30 Yingqian Wang , Jungang Yang , Longguang Wang , Xinyi Ying , Tianhao Wu , Wei An , Yulan Guo

Light field imaging is a rich way of representing the 3D world around us. However, due to limited sensor resolution capturing light field data inherently poses spatio-angular resolution trade-off. In this paper, we propose a deep learning…

计算机视觉与模式识别 · 计算机科学 2018-04-30 Anil Kumar Vadathya , Saikiran Cholleti , Gautham Ramajayam , Vijayalakshmi Kanchana , Kaushik Mitra

Synthesizing a densely sampled light field from a single image is highly beneficial for many applications. The conventional method reconstructs a depth map and relies on physical-based rendering and a secondary network to improve the…

计算机视觉与模式识别 · 计算机科学 2019-04-01 Andre Ivan , Williem , In Kyu Park

The objective of image super-resolution is to reconstruct a high-resolution (HR) image with the prior knowledge from one or several low-resolution (LR) images. However, in the real world, due to the limited complementary information, the…

图像与视频处理 · 电气工程与系统科学 2024-12-16 Jing Sun , Qiangqiang Yuan , Huanfeng Shen , Jie Li , Liangpei Zhang

Image super-resolution (SR) is an effective way to enhance the spatial resolution and detail information of remote sensing images, to obtain a superior visual quality. As SR is severely ill-conditioned, effective image priors are necessary…

计算机视觉与模式识别 · 计算机科学 2024-12-16 Jing Sun , Huanfeng Shen , Qiangqiang Yuan , Liangpei Zhang

Exploiting spatial-angular correlation is crucial to light field (LF) image super-resolution (SR), but is highly challenging due to its non-local property caused by the disparities among LF images. Although many deep neural networks (DNNs)…

计算机视觉与模式识别 · 计算机科学 2023-08-14 Zhengyu Liang , Yingqian Wang , Longguang Wang , Jungang Yang , Shilin Zhou , Yulan Guo

Single image super-resolution (SR) aims to estimate a high-resolution (HR) image from a lowresolution (LR) input. Image priors are commonly learned to regularize the otherwise seriously ill-posed SR problem, either using external LR-HR…

计算机视觉与模式识别 · 计算机科学 2015-10-28 Zhangyang Wang , Yingzhen Yang , Zhaowen Wang , Shiyu Chang , Jianchao Yang , Thomas S. Huang