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Point clouds are naturally sparse, while image pixels are dense. The inconsistency limits feature fusion from both modalities for point-wise scene flow estimation. Previous methods rarely predict scene flow from the entire point clouds of…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Chensheng Peng , Guangming Wang , Xian Wan Lo , Xinrui Wu , Chenfeng Xu , Masayoshi Tomizuka , Wei Zhan , Hesheng Wang

Instance segmentation with neural networks is an essential task in environment perception. In many works, it has been observed that neural networks can predict false positive instances with high confidence values and true positives with low…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Kira Maag , Matthias Rottmann , Serin Varghese , Fabian Hueger , Peter Schlicht , Hanno Gottschalk

Visible-infrared image fusion is crucial in key applications such as autonomous driving and nighttime surveillance. Its main goal is to integrate multimodal information to produce enhanced images that are better suited for downstream tasks.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Xiaopeng Liu , Yupei Lin , Sen Zhang , Xiao Wang , Yukai Shi , Liang Lin

Hyperspectral video (HSV) offers valuable spatial, spectral, and temporal information simultaneously, making it highly suitable for handling challenges such as background clutter and visual similarity in object tracking. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Hanzheng Wang , Wei Li , Xiang-Gen Xia , Qian Du , Jing Tian

Multispectral pedestrian detection has received extensive attention in recent years as a promising solution to facilitate robust human target detection for around-the-clock applications (e.g. security surveillance and autonomous driving).…

Computer Vision and Pattern Recognition · Computer Science 2018-02-28 Dayan Guan , Yanpeng Cao , Jun Liang , Yanlong Cao , Michael Ying Yang

The paper proposes a new text recognition network for scene-text images. Many state-of-the-art methods employ the attention mechanism either in the text encoder or decoder for the text alignment. Although the encoder-based attention yields…

Computer Vision and Pattern Recognition · Computer Science 2021-04-27 Usman Sajid , Michael Chow , Jin Zhang , Taejoon Kim , Guanghui Wang

Most prior semantic segmentation methods have been developed for day-time scenes, while typically underperforming in night-time scenes due to insufficient and complicated lighting conditions. In this work, we tackle this challenge by…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Zhixiang Wei , Lin Chen , Tao Tu , Huaian Chen , Pengyang Ling , Yi Jin

We propose a system for visual scene analysis and recognition based on encoding the sparse, latent feature-representation of an image into a high-dimensional vector that is subsequently factorized to parse scene content. The sparse feature…

Computer Vision and Pattern Recognition · Computer Science 2024-07-01 Christopher J. Kymn , Sonia Mazelet , Annabel Ng , Denis Kleyko , Bruno A. Olshausen

In this work, we propose a novel unsupervised deep learning model to address multi-focus image fusion problem. First, we train an encoder-decoder network in unsupervised manner to acquire deep feature of input images. And then we utilize…

Computer Vision and Pattern Recognition · Computer Science 2020-09-25 Boyuan Ma , Xiaojuan Ban , Haiyou Huang , Yu Zhu

Infrared and visible image fusion aims to utilize the complementary information from two modalities to generate fused images with prominent targets and rich texture details. Most existing algorithms only perform pixel-level or feature-level…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Kun Hu , Qingle Zhang , Maoxun Yuan , Yitian Zhang

This paper presents a framework that combines traditional keypoint-based camera pose optimization with an invertible neural rendering mechanism. Our proposed 3D scene representation, Nerfels, is locally dense yet globally sparse. As opposed…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Gil Avraham , Julian Straub , Tianwei Shen , Tsun-Yi Yang , Hugo Germain , Chris Sweeney , Vasileios Balntas , David Novotny , Daniel DeTone , Richard Newcombe

The crux of resolving fine-grained visual classification (FGVC) lies in capturing discriminative and class-specific cues that correspond to subtle visual characteristics. Recently, frequency decomposition/transform based approaches have…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Qin Xu , Lili Zhu , Xiaoxia Cheng , Bo Jiang

Scene text retrieval aims to localize and search all text instances from an image gallery, which are the same or similar to a given query text. Such a task is usually realized by matching a query text to the recognized words, outputted by…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Hao Wang , Xiang Bai , Mingkun Yang , Shenggao Zhu , Jing Wang , Wenyu Liu

Scene Text Recognition requires modeling visual structures that evolve from coarse layouts to fine-grained character strokes. Training such models relies on large amounts of annotated data. Recent self-supervised approaches, such as Masked…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Zhuohao Chen , Zeng Li , Yifei Zhang , Chang Liu , Yu Zhou

Script identification plays a significant role in analysing documents and videos. In this paper, we focus on the problem of script identification in scene text images and video scripts. Because of low image quality, complex background and…

Computer Vision and Pattern Recognition · Computer Science 2018-08-08 Ankan Kumar Bhunia , Aishik Konwer , Ayan Kumar Bhunia , Abir Bhowmick , Partha P. Roy , Umapada Pal

Visible images offer rich texture details, while infrared images emphasize salient targets. Fusing these complementary modalities enhances scene understanding, particularly for advanced vision tasks under challenging conditions. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Beining Xu , Junxian Li

Scene understanding under low-light conditions is a challenging problem. This is due to the small number of photons captured by the camera and the resulting low signal-to-noise ratio (SNR). Single-photon cameras (SPCs) are an emerging…

Image and Video Processing · Electrical Eng. & Systems 2021-08-18 Bhavya Goyal , Mohit Gupta

Structure from motion (SfM) enables us to reconstruct a scene via casual capture from cameras at different viewpoints, and novel view synthesis (NVS) allows us to render a captured scene from a new viewpoint. Both are hard with casual…

A methodology is proposed, which addresses the caveat that line-of-sight emission spectroscopy presents in that it cannot provide spatially resolved temperature measurements in nonhomogeneous temperature fields. The aim of this research is…

Machine Learning · Computer Science 2022-12-16 Ruiyuan Kang , Dimitrios C. Kyritsis , Panos Liatsis

Segmentation-based scene text detection methods have been widely adopted for arbitrary-shaped text detection recently, since they make accurate pixel-level predictions on curved text instances and can facilitate real-time inference without…

Computer Vision and Pattern Recognition · Computer Science 2021-05-28 Jiachen Li , Yuan Lin , Rongrong Liu , Chiu Man Ho , Humphrey Shi