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相关论文: Toward Real-World Light Field Super-Resolution

200 篇论文

Single-image super-resolution (SISR) typically focuses on restoring various degraded low-resolution (LR) images to a single high-resolution (HR) image. However, during SISR tasks, it is often challenging for models to simultaneously…

图像与视频处理 · 电气工程与系统科学 2023-11-10 Xin Wang , Jing-Ke Yan , Jing-Ye Cai , Jian-Hua Deng , Qin Qin , Yao Cheng

We consider how image super resolution (SR) can contribute to an object detection task in low-resolution images. Intuitively, SR gives a positive impact on the object detection task. While several previous works demonstrated that this…

计算机视觉与模式识别 · 计算机科学 2018-04-02 Muhammad Haris , Greg Shakhnarovich , Norimichi Ukita

Most existing super-resolution methods do not perform well in real scenarios due to lack of realistic training data and information loss of the model input. To solve the first problem, we propose a new pipeline to generate realistic…

图像与视频处理 · 电气工程与系统科学 2019-05-30 Xiangyu Xu , Yongrui Ma , Wenxiu Sun

Inspired by the recent advances in implicitly representing signals with trained neural networks, we aim to learn a continuous representation for narrow-baseline 4D light fields. We propose an implicit representation model for 4D light…

计算机视觉与模式识别 · 计算机科学 2021-12-02 Paramanand Chandramouli , Hendrik Sommerhoff , Andreas Kolb

Light field cameras capture both the spatial and the angular properties of light rays in space. Due to its property, one can compute the depth from light fields in uncontrolled lighting environments, which is a big advantage over active…

计算机视觉与模式识别 · 计算机科学 2018-04-09 Changha Shin , Hae-Gon Jeon , Youngjin Yoon , In So Kweon , Seon Joo Kim

Currently, there are two popular approaches for addressing real-world image super-resolution problems: degradation-estimation-based and blind-based methods. However, degradation-estimation-based methods may be inaccurate in estimating the…

计算机视觉与模式识别 · 计算机科学 2023-05-31 Axi Niu , Kang Zhang , Trung X. Pham , Pei Wang , Jinqiu Sun , In So Kweon , Yanning Zhang

Despite substantial advances, single-image super-resolution (SISR) is always in a dilemma to reconstruct high-quality images with limited information from one input image, especially in realistic scenarios. In this paper, we establish a…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Pengxu Wei , Yujing Sun , Xingbei Guo , Chang Liu , Jie Chen , Xiangyang Ji , Liang Lin

Low-light image enhancement is challenging in that it needs to consider not only brightness recovery but also complex issues like color distortion and noise, which usually hide in the dark. Simply adjusting the brightness of a low-light…

图像与视频处理 · 电气工程与系统科学 2020-03-17 Feifan Lv , Yu Li , Feng Lu

Light Field (LF) offers unique advantages such as post-capture refocusing and depth estimation, but low-light conditions limit these capabilities. To restore low-light LFs we should harness the geometric cues present in different LF views,…

图像与视频处理 · 电气工程与系统科学 2020-12-29 Mohit Lamba , Kranthi Kumar , Kaushik Mitra

This paper explores the problem of reconstructing high-resolution light field (LF) images from hybrid lenses, including a high-resolution camera surrounded by multiple low-resolution cameras. The performance of existing methods is still…

图像与视频处理 · 电气工程与系统科学 2023-06-21 Jing Jin , Mantang Guo , Junhui Hou , Hui Liu , Hongkai Xiong

Existing reference (RF)-based super-resolution (SR) models try to improve perceptual quality in SR under the assumption of the availability of high-resolution RF images paired with low-resolution (LR) inputs at testing. As the RF images…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Mohammad Saeed Rad , Thomas Yu , Behzad Bozorgtabar , Jean-Philippe Thiran

Despite the significant progress in image denoising, it is still challenging to restore fine-scale details while removing noise, especially in extremely low-light environments. Leveraging near-infrared (NIR) images to assist visible RGB…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Rongjian Xu , Zhilu Zhang , Renlong Wu , Wangmeng Zuo

Reconstructing an object from photos and placing it virtually in a new environment goes beyond the standard novel view synthesis task as the appearance of the object has to not only adapt to the novel viewpoint but also to the new lighting…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Benjamin Ummenhofer , Sanskar Agrawal , Rene Sepulveda , Yixing Lao , Kai Zhang , Tianhang Cheng , Stephan Richter , Shenlong Wang , German Ros

Wideband spectrum sensing for low-altitude monitoring is critical yet challenging due to heterogeneous protocols,large bandwidths, and non-stationary SNR. Existing data-driven approaches treat spectrograms as natural images,suffering from…

计算机视觉与模式识别 · 计算机科学 2026-04-16 Zhentao Yang , Yixiang Luomei , Zhuoyang Liu , Zhenyu Liu , Feng Xu

Hyperspectral image segmentation is crucial for many fields such as agriculture, remote sensing, biomedical imaging, battlefield sensing and astronomy. However, the challenge of hyper and multi spectral imaging is its large data footprint.…

计算机视觉与模式识别 · 计算机科学 2024-06-07 Jackson Arnold , Sophia Rossi , Chloe Petrosino , Ethan Mitchell , Sanjeev J. Koppal

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…

图像与视频处理 · 电气工程与系统科学 2020-07-15 Chang-Le Liu , Kuang-Tsu Shih , Jiun-Woei Huang , Homer H. Chen

With the advent of Deep Learning (DL), Super-Resolution (SR) has also become a thriving research area. However, despite promising results, the field still faces challenges that require further research e.g., allowing flexible upsampling,…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Brian Moser , Federico Raue , Stanislav Frolov , Jörn Hees , Sebastian Palacio , Andreas Dengel

We present Neural Fields for LiDAR (NFL), a method to optimise a neural field scene representation from LiDAR measurements, with the goal of synthesizing realistic LiDAR scans from novel viewpoints. NFL combines the rendering power of…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Shengyu Huang , Zan Gojcic , Zian Wang , Francis Williams , Yoni Kasten , Sanja Fidler , Konrad Schindler , Or Litany

Existing image super-resolution (SR) techniques often fail to generalize effectively in complex real-world settings due to the significant divergence between training data and practical scenarios. To address this challenge, previous efforts…

计算机视觉与模式识别 · 计算机科学 2025-02-06 Long Peng , Wenbo Li , Renjing Pei , Jingjing Ren , Jiaqi Xu , Yang Wang , Yang Cao , Zheng-Jun Zha

Accurate object tracking in low-light environments is crucial, particularly in surveillance and ethology applications. However, achieving this is significantly challenging due to the poor quality of captured sequences. Factors such as…

计算机视觉与模式识别 · 计算机科学 2024-01-04 Anqi Yi , Nantheera Anantrasirichai