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Related papers: HMLFC: Hierarchical Motion-Compensated Light Field…

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Benefiting from recent advancements in large language models and modality alignment techniques, existing Large Vision-Language Models(LVLMs) have achieved prominent performance across a wide range of scenarios. However, the excessive…

Computer Vision and Pattern Recognition · Computer Science 2025-01-20 Xuange Zhang , Dengjie Li , Bo Liu , Zenghao Bao , Yao Zhou , Baisong Yang , Zhongying Liu , Yujie Zhong , Zheng Zhao , Tongtong Yuan

Video compression artifact reduction aims to recover high-quality videos from low-quality compressed videos. Most existing approaches use a single neighboring frame or a pair of neighboring frames (preceding and/or following the target…

Image and Video Processing · Electrical Eng. & Systems 2019-10-29 Yi Xu , Longwen Gao , Kai Tian , Shuigeng Zhou , Huyang Sun

Neural Radiance Fields (NeRFs) have emerged as powerful tools for capturing detailed 3D scenes through continuous volumetric representations. Recent NeRFs utilize feature grids to improve rendering quality and speed; however, these…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Tuan Pham , Stephan Mandt

Recent years have witnessed rapid advances in learnt video coding. Most algorithms have solely relied on the vector-based motion representation and resampling (e.g., optical flow based bilinear sampling) for exploiting the inter frame…

Image and Video Processing · Electrical Eng. & Systems 2021-08-29 Haojie Liu , Ming Lu , Zhiqi Chen , Xun Cao , Zhan Ma , Yao Wang

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

Depth map records distance between the viewpoint and objects in the scene, which plays a critical role in many real-world applications. However, depth map captured by consumer-grade RGB-D cameras suffers from low spatial resolution. Guided…

Computer Vision and Pattern Recognition · Computer Science 2021-12-13 Zhiwei Zhong , Xianming Liu , Junjun Jiang , Debin Zhao , Zhiwen Chen , Xiangyang Ji

Transmission matrix (TM) allows light control through complex media such as multimode fibers (MMFs), gaining great attention in areas like biophotonics over the past decade. The measurement of a complex-valued TM is highly desired as it…

Localizing an image wrt. a 3D scene model represents a core task for many computer vision applications. An increasing number of real-world applications of visual localization on mobile devices, e.g., Augmented Reality or autonomous robots…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Federico Camposeco , Andrea Cohen , Marc Pollefeys , Torsten Sattler

Subspace learning (SL) plays an important role in hyperspectral image (HSI) classification, since it can provide an effective solution to reduce the redundant information in the image pixels of HSIs. Previous works about SL aim to improve…

Computer Vision and Pattern Recognition · Computer Science 2021-05-05 Yun Cao , Jie Mei , Yuebin Wang , Liqiang Zhang , Junhuan Peng , Bing Zhang , Lihua Li , Yibo Zheng

Light field presents a rich way to represent the 3D world by capturing the spatio-angular dimensions of the visual signal. However, the popular way of capturing light field (LF) via a plenoptic camera presents spatio-angular resolution…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Anil Kumar Vadathya , Sharath Girish , Kaushik Mitra

We present a novel differentiable rendering framework for joint geometry, material, and lighting estimation from multi-view images. In contrast to previous methods which assume a simplified environment map or co-located flashlights, in this…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Jingyang Zhang , Yao Yao , Shiwei Li , Jingbo Liu , Tian Fang , David McKinnon , Yanghai Tsin , Long Quan

Long-context video modeling is critical for multimodal large language models (MLLMs), enabling them to process movies, online video streams, and so on. Despite its advances, handling long videos remains challenging due to the difficulty in…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Xinhao Li , Yi Wang , Jiashuo Yu , Xiangyu Zeng , Yuhan Zhu , Haian Huang , Jianfei Gao , Kunchang Li , Yinan He , Chenting Wang , Yu Qiao , Yali Wang , Limin Wang

We present High Dynamic Range Neural Radiance Fields (HDR-NeRF) to recover an HDR radiance field from a set of low dynamic range (LDR) views with different exposures. Using the HDR-NeRF, we are able to generate both novel HDR views and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Xin Huang , Qi Zhang , Ying Feng , Hongdong Li , Xuan Wang , Qing Wang

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

The correction of exposure-related issues is a pivotal component in enhancing the quality of images, offering substantial implications for various computer vision tasks. Historically, most methodologies have predominantly utilized spatial…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Xiaoke Shang , Gehui Li , Zhiying Jiang , Shaomin Zhang , Nai Ding , Jinyuan Liu

Current image compression models often require separate models for each quality level, making them resource-intensive in terms of both training and storage. To address these limitations, we propose an innovative approach that utilizes…

Image and Video Processing · Electrical Eng. & Systems 2025-09-30 Ayman A. Ameen , Thomas Richter , André Kaup

Traditional deep learning relies on end-to-end backpropagation for training, but it suffers from drawbacks such as high memory consumption and not aligning with biological neural networks. Recent advancements have introduced locally…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Junhao Su , Chenghao He , Feiyu Zhu , Xiaojie Xu , Dongzhi Guan , Chenyang Si

Users often possess a clear visual intent but struggle to articulate it precisely in language. This intention-expression gap makes aligning generated images with latent visual preferences a fundamental challenge in text-to-image diffusion…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Wenxi Wang , Hongbin Liu , Mingqian Li , Junyan Yuan , Junqi Zhang

Compressed sensing MRI is a classic inverse problem in the field of computational imaging, accelerating the MR imaging by measuring less k-space data. The deep neural network models provide the stronger representation ability and faster…

Computer Vision and Pattern Recognition · Computer Science 2018-04-05 Zhiwen Fan , Liyan Sun , Xinghao Ding , Yue Huang , Congbo Cai , John Paisley

Current object detectors typically have a feature pyramid (FP) module for multi-level feature fusion (MFF) which aims to mitigate the gap between features from different levels and form a comprehensive object representation to achieve…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Zhe Chen , Jing Zhang , Yufei Xu , Dacheng Tao
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