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Recent learning-based approaches have achieved significant progress in light field (LF) image super-resolution (SR) by exploring convolution-based or transformer-based network structures. However, LF imaging has many intrinsic physical…

Image and Video Processing · Electrical Eng. & Systems 2023-06-01 Manchang Jin , Gaosheng Liu , Kunshu Hu , Xin Luo , Kun Li , Jingyu Yang

Forward scatter radar (FSR) has emerged as an effective imaging modality for target detection, utilizing forward scattering (FS) signals to reconstruct two-dimensional shadow profile images of objects. However, real-world FS signals are…

Computational Physics · Physics 2025-08-18 ShuQi Lei , Gan Yu , Yuan Tian , XiaoWei Shao

Light field (LF) images acquired by hand-held devices usually suffer from low spatial resolution as the limited detector resolution has to be shared with the angular dimension. LF spatial super-resolution (SR) thus becomes an indispensable…

Image and Video Processing · Electrical Eng. & Systems 2021-10-11 Jing Jin , Junhui Hou , Zhiyu Zhu , Jie Chen , Sam Kwong

Fourier Transform Interferometry (FTI) is an appealing Hyperspectral (HS) imaging modality for many applications demanding high spectral resolution, e.g., in fluorescence microscopy. However, the effective resolution of FTI is limited by…

Information Theory · Computer Science 2019-01-31 A. Moshtaghpour , L. Jacques , V. Cambareri , P. Antoine , M. Roblin

This study proposes a neural disparity field (NDF) that establishes an implicit, continuous representation of scene disparity based on a neural field and an iterative approach to address the inverse problem of NDF reconstruction from…

Image and Video Processing · Electrical Eng. & Systems 2025-07-01 Ligen Shi , Chang Liu , Xing Zhao , Jun Qiu

Hyperspectral imaging enables fine-grained recognition of materials by capturing rich spectral signatures, but learning robust classifiers is challenging due to high dimensionality, spectral redundancy, limited labeled data, and strong…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Alexander Musiat , Nikolas Ebert , Oliver Wasenmüller

Reconstructing transparent objects using affordable RGB-D cameras is a persistent challenge in robotic perception due to inconsistent appearances across views in the RGB domain and inaccurate depth readings in each single-view. We introduce…

Robotics · Computer Science 2023-10-17 Xiaotong Chen , Zheming Zhou , Zhuo Deng , Omid Ghasemalizadeh , Min Sun , Cheng-Hao Kuo , Arnie Sen

Light field (LF) images acquired by hand-held devices usually suffer from low spatial resolution as the limited sampling resources have to be shared with the angular dimension. LF spatial super-resolution (SR) thus becomes an indispensable…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Jing Jin , Junhui Hou , Jie Chen , Sam Kwong

The Gemini Planet Imager (GPI) is a high contrast imaging instrument that aims to detect and characterize extrasolar planets. GPI is being upgraded to GPI 2.0, with several subsystems receiving a re-design to improve the instrument's…

Facade parsing stands as a pivotal computer vision task with far-reaching applications in areas like architecture, urban planning, and energy efficiency. Despite the recent success of deep learning-based methods in yielding impressive…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Bowen Wang , Jiaxing Zhang , Ran Zhang , Yunqin Li , Liangzhi Li , Yuta Nakashima

A light field image captures scenes through its micro-lens array, providing a rich representation that encompasses spatial and angular information. While this richness comes at significant data redundancy, most existing methods tend to…

Image and Video Processing · Electrical Eng. & Systems 2026-02-19 Zeke Zexi Hu , Haodong Chen , Hui Ye , Xiaoming Chen , Vera Yuk Ying Chung , Yiran Shen , Weidong Cai

Existing digital sensors capture images at fixed spatial and spectral resolutions (e.g., RGB, multispectral, and hyperspectral images), and each combination requires bespoke machine learning models. Neural Implicit Functions partially…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Gengchen Mai , Ni Lao , Weiwei Sun , Yuchi Ma , Jiaming Song , Chenlin Meng , Hongxu Ma , Jinmeng Rao , Ziyuan Li , Stefano Ermon

Image matching that finding robust and accurate correspondences across images is a challenging task under extreme conditions. Capturing local and global features simultaneously is an important way to mitigate such an issue but recent…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Wenhao Zhong , Jie Jiang

The Gemini Planet Imager (GPI) is a high contrast imaging instrument that aims to detect and characterize extrasolar planets. GPI is being upgraded to GPI 2.0, with several subsystems receiving a re-design to improve its contrast. To enable…

This paper provides a comprehensive review of the NTIRE 2024 challenge, focusing on efficient single-image super-resolution (ESR) solutions and their outcomes. The task of this challenge is to super-resolve an input image with a…

Computer Vision and Pattern Recognition · Computer Science 2024-06-26 Bin Ren , Yawei Li , Nancy Mehta , Radu Timofte , Hongyuan Yu , Cheng Wan , Yuxin Hong , Bingnan Han , Zhuoyuan Wu , Yajun Zou , Yuqing Liu , Jizhe Li , Keji He , Chao Fan , Heng Zhang , Xiaolin Zhang , Xuanwu Yin , Kunlong Zuo , Bohao Liao , Peizhe Xia , Long Peng , Zhibo Du , Xin Di , Wangkai Li , Yang Wang , Wei Zhai , Renjing Pei , Jiaming Guo , Songcen Xu , Yang Cao , Zhengjun Zha , Yan Wang , Yi Liu , Qing Wang , Gang Zhang , Liou Zhang , Shijie Zhao , Long Sun , Jinshan Pan , Jiangxin Dong , Jinhui Tang , Xin Liu , Min Yan , Qian Wang , Menghan Zhou , Yiqiang Yan , Yixuan Liu , Wensong Chan , Dehua Tang , Dong Zhou , Li Wang , Lu Tian , Barsoum Emad , Bohan Jia , Junbo Qiao , Yunshuai Zhou , Yun Zhang , Wei Li , Shaohui Lin , Shenglong Zhou , Binbin Chen , Jincheng Liao , Suiyi Zhao , Zhao Zhang , Bo Wang , Yan Luo , Yanyan Wei , Feng Li , Mingshen Wang , Yawei Li , Jinhan Guan , Dehua Hu , Jiawei Yu , Qisheng Xu , Tao Sun , Long Lan , Kele Xu , Xin Lin , Jingtong Yue , Lehan Yang , Shiyi Du , Lu Qi , Chao Ren , Zeyu Han , Yuhan Wang , Chaolin Chen , Haobo Li , Mingjun Zheng , Zhongbao Yang , Lianhong Song , Xingzhuo Yan , Minghan Fu , Jingyi Zhang , Baiang Li , Qi Zhu , Xiaogang Xu , Dan Guo , Chunle Guo , Jiadi Chen , Huanhuan Long , Chunjiang Duanmu , Xiaoyan Lei , Jie Liu , Weilin Jia , Weifeng Cao , Wenlong Zhang , Yanyu Mao , Ruilong Guo , Nihao Zhang , Qian Wang , Manoj Pandey , Maksym Chernozhukov , Giang Le , Shuli Cheng , Hongyuan Wang , Ziyan Wei , Qingting Tang , Liejun Wang , Yongming Li , Yanhui Guo , Hao Xu , Akram Khatami-Rizi , Ahmad Mahmoudi-Aznaveh , Chih-Chung Hsu , Chia-Ming Lee , Yi-Shiuan Chou , Amogh Joshi , Nikhil Akalwadi , Sampada Malagi , Palani Yashaswini , Chaitra Desai , Ramesh Ashok Tabib , Ujwala Patil , Uma Mudenagudi

This paper presents our approach to the NTIRE 2026 3D Restoration and Reconstruction Challenge (Track 1), which focuses on reconstructing high-quality 3D representations from degraded multi-view inputs. The challenge involves recovering…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Yuhao Liu , Dingju Wang , Ziyang Zheng

3D Gaussian Splatting (3DGS) has emerged as a leading technique for novel view synthesis, demonstrating exceptional rendering efficiency. \replaced[]{Well-reconstructed surfaces can be characterized by low configurational entropy, where…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Hong Kuang , Jianchen Liu

We present a novel single-stage framework, Neural Photon Field (NePF), to address the ill-posed inverse rendering from multi-view images. Contrary to previous methods that recover the geometry, material, and illumination in multiple stages…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Tuen-Yue Tsui , Qin Zou

Feature detectors and descriptors are key low-level vision tools that many higher-level tasks build on. Unfortunately these fail in the presence of challenging light transport effects including partial occlusion, low contrast, and…

Computer Vision and Pattern Recognition · Computer Science 2019-01-15 Donald G. Dansereau , Bernd Girod , Gordon Wetzstein

Multi-focus image fusion (MFIF) and super-resolution (SR) are the inverse problem of imaging model, purposes of MFIF and SR are obtaining all-in-focus and high-resolution 2D mapping of targets. Though various MFIF and SR methods have been…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Yuanjie Gu , Yinghan Guan , Zhibo Xiao , Haoran Dai , Cheng Liu , Shouyu Wang