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Instance shadow detection is the task of detecting pairs of shadows and objects, where existing methods first detect shadows and objects independently, then associate them. This paper introduces FastInstShadow, a method that enhances…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Takeru Inoue , Ryusuke Miyamoto

Deploying 3D detectors in unfamiliar domains has been demonstrated to result in a significant 70-90% drop in detection rate due to variations in lidar, geography, or weather from their training dataset. This domain gap leads to missing…

Computer Vision and Pattern Recognition · Computer Science 2024-08-16 Darren Tsai , Julie Stephany Berrio , Mao Shan , Eduardo Nebot , Stewart Worrall

Advances in machine learning and deep neural networks for object detection, coupled with lower cost and power requirements of cameras, led to promising vision-based solutions for sUAS detection. However, solely relying on the visible…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Vinicius G. Goecks , Grayson Woods , John Valasek

The Simultaneous Localization and Mapping (SLAM) problem addresses the possibility of a robot to localize itself in an unknown environment and simultaneously build a consistent map of this environment. Recently, cameras have been…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Hudson M. S. Bruno , Esther L. Colombini

Video moment retrieval (VMR) identifies a specific moment in an untrimmed video for a given natural language query. This task is prone to suffer the weak alignment problem innate in video datasets. Due to the ambiguity, a query does not…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Minjoon Jung , Youwon Jang , Seongho Choi , Joochan Kim , Jin-Hwa Kim , Byoung-Tak Zhang

Autonomous off-road navigation requires an accurate semantic understanding of the environment, often converted into a bird's-eye view (BEV) representation for various downstream tasks. While learning-based methods have shown success in…

Robotics · Computer Science 2024-03-06 Ohn Kim , Junwon Seo , Seongyong Ahn , Chong Hui Kim

Vision-centric Bird's Eye View (BEV) perception holds considerable promise for autonomous driving. Recent studies have prioritized efficiency or accuracy enhancements, yet the issue of domain shift has been overlooked, leading to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Rongyu Zhang , Jiaming Liu , Xiaoqi Li , Xiaowei Chi , Dan Wang , Li Du , Yuan Du , Shanghang Zhang

Shadow removal is a task aimed at erasing regional shadows present in images and reinstating visually pleasing natural scenes with consistent illumination. While recent deep learning techniques have demonstrated impressive performance in…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Chong Wang , Yi Yu , Lanqing Guo , Bihan Wen

Modern deep learning models require large amounts of accurately annotated data, which is often difficult to satisfy. Hence, weakly supervised tasks, including weakly supervised object localization~(WSOL) and detection~(WSOD), have recently…

Computer Vision and Pattern Recognition · Computer Science 2021-08-05 Chen-Lin Zhang , Yin Li , Jianxin Wu

While most recent autonomous driving system focuses on developing perception methods on ego-vehicle sensors, people tend to overlook an alternative approach to leverage intelligent roadside cameras to extend the perception ability beyond…

Computer Vision and Pattern Recognition · Computer Science 2023-09-29 Lei Yang , Tao Tang , Jun Li , Peng Chen , Kun Yuan , Li Wang , Yi Huang , Xinyu Zhang , Kaicheng Yu

Infrared small target detection (ISTD) under complex backgrounds is a difficult problem, for the differences between targets and backgrounds are not easy to distinguish. Background reconstruction is one of the methods to deal with this…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Jingchao Peng , Haitao Zhao , Kaijie Zhao , Zhongze Wang , Lujian Yao

In visual place recognition (VPR), filtering and sequence-based matching approaches can improve performance by integrating temporal information across image sequences, especially in challenging conditions. While these methods are commonly…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Somayeh Hussaini , Tobias Fischer , Michael Milford

Effective shadow removal is pivotal in enhancing the visual quality of images in various applications, ranging from computer vision to digital photography. During the last decades physics and machine learning -based methodologies have been…

Computer Vision and Pattern Recognition · Computer Science 2024-10-23 Eirini Cholopoulou , Dimitrios E. Diamantis , Dimitra-Christina C. Koutsiou , Dimitris K. Iakovidis

Few-shot object detection~(FSOD), which aims to detect novel objects with limited annotated instances, has made significant progress in recent years. However, existing methods still suffer from biased representations, especially for novel…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Zheng Wang , Yingjie Gao , Qingjie Liu , Yunhong Wang

To achieve accurate and low-cost 3D object detection, existing methods propose to benefit camera-based multi-view detectors with spatial cues provided by the LiDAR modality, e.g., dense depth supervision and bird-eye-view (BEV) feature…

Computer Vision and Pattern Recognition · Computer Science 2022-12-29 Peixiang Huang , Li Liu , Renrui Zhang , Song Zhang , Xinli Xu , Baichao Wang , Guoyi Liu

Realistic shadow generation is crucial for achieving seamless image compositing, yet existing methods primarily focus on single-object insertion and often fail to generalize when multiple foreground objects are composited into a background…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Waqas Ahmed , Dean Diepeveen , Ferdous Sohel

Road Surface Reconstruction (RSR) is crucial for autonomous driving, enabling the understanding of road surface conditions. Recently, RSR from the Bird's Eye View (BEV) has gained attention for its potential to enhance performance. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Yuting Zhao , Yuheng Ji , Xiaoshuai Hao , Shuxiao Li

Image alignment and image restoration are classical computer vision tasks. However, there is still a lack of datasets that provide enough data to train and evaluate end-to-end deep learning models. Obtaining ground-truth data for image…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Monika Kwiatkowski , Simon Matern , Olaf Hellwich

Light Detection and Ranging (LiDAR) technology in consumer-grade mobile devices can be used as a replacement for traditional background removal and compositing techniques. Unlike approaches such as chroma keying and trained AI models,…

Image and Video Processing · Electrical Eng. & Systems 2025-09-03 Jessica Kinnevan , Naifa Alqahtani , Toral Chauhan

In synthetic aperture radar (SAR), images are formed by focusing the response of stationary objects to a single spatial location. On the other hand, moving targets cause phase errors in the standard formation of SAR images that cause…

Information Theory · Computer Science 2013-02-20 Gregory E. Newstadt , Edmund G. Zelnio , Alfred O. Hero