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Spectral imaging technologies have rapidly evolved during the past decades. The recent development of single-camera-one-shot techniques for hyperspectral imaging allows multiple spectral bands to be captured simultaneously (3x3, 4x4 or 5x5…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Eric L. Wisotzky , Charul Daudkhane , Anna Hilsmann , Peter Eisert

Recent image enhancement methods have shown the advantages of using a pair of long and short-exposure images for low-light photography. These image modalities offer complementary strengths and weaknesses. The former yields an image that is…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Shayan Shekarforoush , Amanpreet Walia , Marcus A. Brubaker , Konstantinos G. Derpanis , Alex Levinshtein

Generative based strategy has shown great potential in the Generalized Zero-Shot Learning task. However, it suffers severe generalization problem due to lacking of feature diversity for unseen classes to train a good classifier. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-03-22 Bonan Li , Xuecheng Nie , Congying Han

This paper presents DualCamCtrl, a novel end-to-end diffusion model for camera-controlled video generation. Recent works have advanced this field by representing camera poses as ray-based conditions, yet they often lack sufficient scene…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Hongfei Zhang , Kanghao Chen , Zixin Zhang , Harold Haodong Chen , Yuanhuiyi Lyu , Yuqi Zhang , Shuai Yang , Kun Zhou , Yingcong Chen

Semantic understanding of 3D scenes is essential for robots to operate effectively and safely in complex environments. Existing methods for semantic scene reconstruction and semantic-aware novel view synthesis often rely on dense multi-view…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Sheng Ye , Zhen-Hui Dong , Ruoyu Fan , Tian Lv , Yong-Jin Liu

The recently developed Neural Radiance Fields (NeRF) and 3D Gaussian Splatting (3DGS) have shown encouraging and impressive results for visual SLAM. However, most representative methods require RGBD sensors and are only available for indoor…

Computer Vision and Pattern Recognition · Computer Science 2025-05-16 Zhe Xin , Chenyang Wu , Penghui Huang , Yanyong Zhang , Yinian Mao , Guoquan Huang

We introduce Focal Split, a handheld, snapshot depth camera with fully onboard power and computing based on depth-from-differential-defocus (DfDD). Focal Split is passive, avoiding power consumption of light sources. Its achromatic optical…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Junjie Luo , John Mamish , Alan Fu , Thomas Concannon , Josiah Hester , Emma Alexander , Qi Guo

The onset of Industry 4.0 is rapidly transforming the manufacturing world through the integration of cloud computing, machine learning (ML), artificial intelligence (AI), and universal network connectivity, resulting in performance…

Computer Vision and Pattern Recognition · Computer Science 2025-05-21 Ahmed Alhamadah , Muntasir Mamun , Henry Harms , Mathew Redondo , Yu-Zheng Lin , Jesus Pacheco , Soheil Salehi , Pratik Satam

Dynamic scene rendering and reconstruction play a crucial role in computer vision and augmented reality. Recent methods based on 3D Gaussian Splatting (3DGS), have enabled accurate modeling of dynamic urban scenes, but for urban scenes they…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Siddharth Tourani , Jayaram Reddy , Akash Kumbar , Satyajit Tourani , Nishant Goyal , Madhava Krishna , N. Dinesh Reddy , Muhammad Haris Khan

Learning-based image matching critically depends on large-scale, diverse, and geometrically accurate training data. 3D Gaussian Splatting (3DGS) enables photorealistic novel-view synthesis and thus is attractive for data generation.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Juncheng Chen , Chao Xu , Yanjun Cao

In this paper, we propose the first Structure-from-Motion (SfM)-free deblurring 3D Gaussian Splatting method via event camera, dubbed DeblurSplat. We address the motion-deblurring problem in two ways. First, we leverage the pretrained…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Pengteng Li , Yunfan Lu , Pinhao Song , Weiyu Guo , Huizai Yao , F. Richard Yu , Hui Xiong

Multi-focus image fusion is a technique for obtaining an all-in-focus image in which all objects are in focus to extend the limited depth of field (DoF) of an imaging system. Different from traditional RGB-based methods, this paper presents…

Computer Vision and Pattern Recognition · Computer Science 2018-06-06 Hang Liu , Hengyu Li , Jun Luo , Shaorong Xie , Yu Sun

The emergence of 3D Gaussian Splatting (3D-GS) has significantly advanced 3D reconstruction by providing high fidelity and fast training speeds across various scenarios. While recent efforts have mainly focused on improving model structures…

Graphics · Computer Science 2025-03-07 Yifei Gao , Jun Huang , Lei Wang , Ruiting Dai , Jun Cheng

A tracking system that will be used for Augmented Reality (AR) applications has two main requirements: accuracy and frame rate. The first requirement is related to the performance of the pose estimation algorithm and how accurately the…

Robotics · Computer Science 2017-04-21 Erkan Bostanci , Betul Bostanci , Nadia Kanwal , Adrian F. Clark

Dense simultaneous localization and mapping (SLAM) is crucial for robotics and augmented reality applications. However, current methods are often hampered by the non-volumetric or implicit way they represent a scene. This work introduces…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Nikhil Keetha , Jay Karhade , Krishna Murthy Jatavallabhula , Gengshan Yang , Sebastian Scherer , Deva Ramanan , Jonathon Luiten

The information lost in images of undersampled CCD cameras can be recovered with the technique of `dithering'. A number of subexposures is taken with sub-pixel shifts in order to record structures on scales smaller than a pixel. The…

Instrumentation and Methods for Astrophysics · Physics 2013-07-17 Haniyeh Mahmoudian , Olaf Wucknitz

Zero-shot learning (ZSL) aims to infer novel classes without training samples by transferring knowledge from seen classes. Existing embedding-based approaches for ZSL typically employ attention mechanisms to locate attributes on an image.…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Lei Xiang , Yuan Zhou , Haoran Duan , Yang Long

Most 3D Gaussian Splatting (3D-GS) based methods for urban scenes initialize 3D Gaussians directly with 3D LiDAR points, which not only underutilizes LiDAR data capabilities but also overlooks the potential advantages of fusing LiDAR with…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Cheng Zhao , Su Sun , Ruoyu Wang , Yuliang Guo , Jun-Jun Wan , Zhou Huang , Xinyu Huang , Yingjie Victor Chen , Liu Ren

Reconstructing dynamic scenes with multiple interacting humans and objects from sparse-view inputs is a critical yet challenging task, essential for creating high-fidelity digital twins for robotics and VR/AR. This problem, which we term…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Weiquan Wang , Jun Xiao , Feifei Shao , Yi Yang , Yueting Zhuang , Long Chen

Synthesizing novel views of large-scale scenes from unconstrained in-the-wild images is an important but challenging task in computer vision. Existing methods, which optimize per-image appearance and transient occlusion through implicit…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Yiqing Li , Xuan Wang , Jiawei Wu , Yikun Ma , Zhi Jin