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Increasing scene-awareness is a key challenge in video anomaly detection (VAD). In this work, we propose a hierarchical semantic contrast (HSC) method to learn a scene-aware VAD model from normal videos. We first incorporate foreground…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Shengyang Sun , Xiaojin Gong

The task of 3D semantic scene completion using monocular cameras is gaining significant attention in the field of autonomous driving. This task aims to predict the occupancy status and semantic labels of each voxel in a 3D scene from…

计算机视觉与模式识别 · 计算机科学 2024-11-27 Jiawei Yao , Jusheng Zhang , Xiaochao Pan , Tong Wu , Canran Xiao

In-context learning (ICL) ability has emerged with the increasing scale of large language models (LLMs), enabling them to learn input-label mappings from demonstrations and perform well on downstream tasks. However, under the standard ICL…

计算与语言 · 计算机科学 2024-04-19 Yifan Wang , Qingyan Guo , Xinzhe Ni , Chufan Shi , Lemao Liu , Haiyun Jiang , Yujiu Yang

Scene labeling is the problem of assigning an object label to each pixel. It unifies the image segmentation and object recognition problems. The importance of using contextual information in scene labeling frameworks has been widely…

计算机视觉与模式识别 · 计算机科学 2014-02-05 Mojtaba Seyedhosseini , Tolga Tasdizen

Large Language Models (LLMs) have emerged as powerful tools for diverse applications. However, their uniform token processing paradigm introduces critical vulnerabilities in instruction handling, particularly when exposed to adversarial…

密码学与安全 · 计算机科学 2025-12-04 Tengyun Ma , Jiaqi Yao , Daojing He , Shihao Peng , Yu Li , Shaohui Liu , Zhuotao Tian

Recent years have witnessed a great development of Convolutional Neural Networks in semantic segmentation, where all classes of training images are simultaneously available. In practice, new images are usually made available in a…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Hanbin Zhao , Fengyu Yang , Xinghe Fu , Xi Li

Deep learning has become increasingly important in remote sensing image classification due to its ability to extract semantic information from complex data. Classification tasks often include predefined label hierarchies that represent the…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Giulio Weikmann , Gianmarco Perantoni , Lorenzo Bruzzone

Semantic segmentation of various tissue and nuclei types in histology images is fundamental to many downstream tasks in the area of computational pathology (CPath). In recent years, Deep Learning (DL) methods have been shown to perform well…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Raja Muhammad Saad Bashir , Talha Qaiser , Shan E Ahmed Raza , Nasir M. Rajpoot

Video semantic segmentation(VSS) has been widely employed in lots of fields, such as simultaneous localization and mapping, autonomous driving and surveillance. Its core challenge is how to leverage temporal information to achieve better…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Zhigang Cen , Ningyan Guo , Wenjing Xu , Zhiyong Feng , Danlan Huang

Natural language video localization (NLVL) is a crucial task in video understanding that aims to localize the target moment in videos specified by a given language description. Recently, a point-supervised paradigm has been presented to…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Zhuo Tao , Liang Li , Qi Chen , Yunbin Tu , Zheng-Jun Zha , Ming-Hsuan Yang , Yuankai Qi , Qingming Huang

In-context learning (ICL) enables medical image segmentation models to adapt to new anatomical structures from limited examples, reducing the clinical annotation burden. However, standard ICL methods typically rely on dense, global…

计算机视觉与模式识别 · 计算机科学 2026-04-23 T. Camaret Ndir , Marco Reisert , Robin T. Schirrmeister

Camera-based 3D semantic scene completion (SSC) provides dense geometric and semantic perception for autonomous driving. However, images provide limited information making the model susceptible to geometric ambiguity caused by occlusion and…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Meng Wang , Huilong Pi , Ruihui Li , Yunchuan Qin , Zhuo Tang , Kenli Li

Modern self-supervised learning algorithms typically enforce persistency of instance representations across views. While being very effective on learning holistic image and video representations, such an objective becomes sub-optimal for…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Liangzhe Yuan , Rui Qian , Yin Cui , Boqing Gong , Florian Schroff , Ming-Hsuan Yang , Hartwig Adam , Ting Liu

Semantic scene completion is the task of jointly estimating 3D geometry and semantics of objects and surfaces within a given extent. This is a particularly challenging task on real-world data that is sparse and occluded. We propose a scene…

计算机视觉与模式识别 · 计算机科学 2021-04-14 Christoph B. Rist , David Emmerichs , Markus Enzweiler , Dariu M. Gavrila

Semantic Scene Completion (SSC) transforms an image of single-view depth and/or RGB 2D pixels into 3D voxels, each of whose semantic labels are predicted. SSC is a well-known ill-posed problem as the prediction model has to "imagine" what…

计算机视觉与模式识别 · 计算机科学 2023-03-20 Fengyun Wang , Dong Zhang , Hanwang Zhang , Jinhui Tang , Qianru Sun

3D semantic scene understanding is a fundamental challenge in computer vision. It enables mobile agents to autonomously plan and navigate arbitrary environments. SSC formalizes this challenge as jointly estimating dense geometry and…

计算机视觉与模式识别 · 计算机科学 2023-10-13 Adrian Hayler , Felix Wimbauer , Dominik Muhle , Christian Rupprecht , Daniel Cremers

Crime has become a major concern in many cities, which calls for the rising demand for timely predicting citywide crime occurrence. Accurate crime prediction results are vital for the beforehand decision-making of government to alleviate…

机器学习 · 计算机科学 2022-08-19 Zhonghang Li , Chao Huang , Lianghao Xia , Yong Xu , Jian Pei

General scene perception has progressed from object recognition toward open-vocabulary grounding, part localization, and affordance prediction. Yet these capabilities are often realized as isolated predictions that localize objects, parts,…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Pengxin Xu , Xincheng Lin , Luping Xiao , Qing Jiang , Meishan Zhang , Hao Fei , Shanghang Zhang , Xingyu Chen

Semantic Scene Completion (SSC) constitutes a pivotal element in autonomous driving perception systems, tasked with inferring the 3D semantic occupancy of a scene from sensory data. To improve accuracy, prior research has implemented…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Ruoyu Wang , Yukai Ma , Yi Yao , Sheng Tao , Haoang Li , Zongzhi Zhu , Yong Liu , Xingxing Zuo

We introduce $\textbf{Hierarchical Taylor Series-based Continual Learning (HTCL)}$, a framework that couples fast local adaptation with conservative, second-order global consolidation to address the high variance introduced by random task…

机器学习 · 计算机科学 2026-02-04 Protik Nag , Krishnan Raghavan , Vignesh Narayanan