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The malicious misuse and widespread dissemination of AI-generated images pose a significant threat to the authenticity of online information. Current detection methods often struggle to generalize to unseen generative models, and the rapid…

计算机视觉与模式识别 · 计算机科学 2026-01-12 Hanyi Wang , Jun Lan , Yaoyu Kang , Huijia Zhu , Weiqiang Wang , Zhuosheng Zhang , Shilin Wang

Recent MLLMs have shown emerging visual understanding and reasoning abilities after being pre-trained on large-scale multimodal datasets. Unlike pre-training, where MLLMs receive rich visual-text alignment, instruction-tuning is often…

Recent multi-camera 3D object detectors usually leverage temporal information to construct multi-view stereo that alleviates the ill-posed depth estimation. However, they typically assume all the objects are static and directly aggregate…

计算机视觉与模式识别 · 计算机科学 2023-04-20 Qing Lian , Tai Wang , Dahua Lin , Jiangmiao Pang

Image restoration under adverse weather conditions (e.g., rain, snow and haze) is a fundamental computer vision problem and has important indications for various downstream applications. Different from early methods that are specially…

计算机视觉与模式识别 · 计算机科学 2023-06-16 Zhentao Tan , Yue Wu , Qiankun Liu , Qi Chu , Le Lu , Jieping Ye , Nenghai Yu

In autonomous driving, 3D object detection is essential for accurately identifying and tracking objects. Despite the continuous development of various technologies for this task, a significant drawback is observed in most of them-they…

计算机视觉与模式识别 · 计算机科学 2025-02-05 Hsin-Cheng Lu , Chung-Yi Lin , Winston H. Hsu

In this paper, we propose a novel training strategy called SupFusion, which provides an auxiliary feature level supervision for effective LiDAR-Camera fusion and significantly boosts detection performance. Our strategy involves a data…

计算机视觉与模式识别 · 计算机科学 2023-11-01 Yiran Qin , Chaoqun Wang , Zijian Kang , Ningning Ma , Zhen Li , Ruimao Zhang

In autonomous driving, a LiDAR-based object detector should perform reliably at different geographic locations and under various weather conditions. While recent 3D detection research focuses on improving performance within a single domain,…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Qiangeng Xu , Yin Zhou , Weiyue Wang , Charles R. Qi , Dragomir Anguelov

It is challenging to train a robust object detector under the supervised learning setting when the annotated data are scarce. Thus, previous approaches tackling this problem are in two categories: semi-supervised learning models that…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Guanghan Ning , Guang Chen , Chaowei Tan , Si Luo , Liefeng Bo , Heng Huang

Reinforcement learning lies at the intersection of several challenges. Many applications of interest involve extremely large state spaces, requiring function approximation to enable tractable computation. In addition, the learner has only a…

机器学习 · 计算机科学 2021-05-11 Andrew Jacobsen , Alan Chan

Recent advancements in neural rendering techniques have significantly enhanced the fidelity of 3D reconstruction. Notably, the emergence of 3D Gaussian Splatting (3DGS) has marked a significant milestone by adopting a discrete scene…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Licheng Shen , Ho Ngai Chow , Lingyun Wang , Tong Zhang , Mengqiu Wang , Yuxing Han

Unsupervised cross-domain action recognition aims at adapting the model trained on an existing labeled source domain to a new unlabeled target domain. Most existing methods solve the task by directly aligning the feature distributions of…

计算机视觉与模式识别 · 计算机科学 2023-11-27 Yuan Qing , Naixing Wu , Shaohua Wan , Lixin Duan

4D automotive radar is indispensable for autonomous driving due to its low cost and robustness, yet its point cloud sparsity challenges 3D object detection. Existing 4D radar-camera fusion methods focus on complex fusion strategies, trading…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Weiyi Xiong , Bing Zhu

Existing LiDAR semantic segmentation methods often struggle with performance declines in adverse weather conditions. Previous work has addressed this issue by simulating adverse weather or employing universal data augmentation during…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Junsung Park , Kyungmin Kim , Hyunjung Shim

Efficient and robust 3D scene representation is crucial in autonomous driving, robotics, and related fields. While RGB images provide valuable content for 3D reconstruction, other modalities like thermal or depth can enable additional…

计算机视觉与模式识别 · 计算机科学 2026-05-29 Manoj Biswanath , Chenxin Cai , Hannah Schieber , Daniel Roth , Benjamin Busam

Existing fine-grained image retrieval (FGIR) methods predominantly rely on supervision from predefined categories to learn discriminative representations for retrieving fine-grained objects. However, they inadvertently introduce…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Shijie Wang , Jian Shi , Haojie Li

Domain Generalization (DG) research has gained considerable traction as of late, since the ability to generalize to unseen data distributions is a requirement that eludes even state-of-the-art training algorithms. In this paper we observe…

机器学习 · 计算机科学 2025-07-22 Aristotelis Ballas , Christos Diou

Photographs taken in adverse weather conditions often suffer from blurriness, occlusion, and low brightness due to interference from rain, snow, and fog. These issues can significantly hinder the performance of subsequent computer vision…

计算机视觉与模式识别 · 计算机科学 2026-04-09 Weikai Qu , Sijun Liang , Cheng Pan , Zikuan Yang , Guanchi Zhou , Xianjun Fu , Bo Liu , Changmiao Wang , Ahmed Elazab

Grounding referring expressions in RGBD image has been an emerging field. We present a novel task of 3D visual grounding in single-view RGBD image where the referred objects are often only partially scanned due to occlusion. In contrast to…

计算机视觉与模式识别 · 计算机科学 2021-03-18 Haolin Liu , Anran Lin , Xiaoguang Han , Lei Yang , Yizhou Yu , Shuguang Cui

While a big wave of artificial intelligence (AI) has propagated to the field of computational fluid dynamics (CFD) acceleration studies, recent research has highlighted that the development of AI techniques that reconciles the following…

流体动力学 · 物理学 2023-11-28 Joongoo Jeon , Juhyeong Lee , Ricardo Vinuesa , Sung Joong Kim

LiDAR sensors are used in autonomous driving applications to accurately perceive the environment. However, they are affected by adverse weather conditions such as snow, fog, and rain. These everyday phenomena introduce unwanted noise into…

计算机视觉与模式识别 · 计算机科学 2023-10-06 Aldi Piroli , Vinzenz Dallabetta , Johannes Kopp , Marc Walessa , Daniel Meissner , Klaus Dietmayer