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The Discriminative Correlation Filter (CF) uses a circulant convolution operation to provide several training samples for the design of a classifier that can distinguish the target from the background. The filter design may be interfered by…

计算机视觉与模式识别 · 计算机科学 2019-12-25 Fei Feng , Xiao-Jun Wu , Tianyang Xu , Josef Kittler , Xue-Feng Zhu

Detecting anomalies in surveillance footage is inherently challenging due to their unpredictable and context-dependent nature. This work introduces a novel context-aware zero-shot anomaly detection framework that identifies abnormal events…

计算机视觉与模式识别 · 计算机科学 2025-08-28 Md. Rashid Shahriar Khan , Md. Abrar Hasan , Mohammod Tareq Aziz Justice

We present a novel end-to-end partially supervised deep learning approach for video anomaly detection and localization using only normal samples. The insight that motivates this study is that the normal samples can be associated with at…

计算机视觉与模式识别 · 计算机科学 2018-05-30 Yaxiang Fan , Gongjian Wen , Deren Li , Shaohua Qiu , Martin D. Levine

A natural way to improve the detection of objects is to consider the contextual constraints imposed by the detection of additional objects in a given scene. In this work, we exploit the spatial relations between objects in order to improve…

计算机视觉与模式识别 · 计算机科学 2018-10-19 Ehud Barnea , Ohad Ben-Shahar

We propose a novel unsupervised approach based on a two-stage object-centric adversarial framework that only needs object regions for detecting frame-level local anomalies in videos. The first stage consists in learning the correspondence…

计算机视觉与模式识别 · 计算机科学 2020-11-16 Pankaj Raj Roy , Guillaume-Alexandre Bilodeau , Lama Seoud

Cross domain object detection learns an object detector for an unlabeled target domain by transferring knowledge from an annotated source domain. Promising results have been achieved via Mean Teacher, however, pseudo labeling which is the…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Jiangming Chen , Li Liu , Wanxia Deng , Zhen Liu , Yu Liu , Yingmei Wei , Yongxiang Liu

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

General Continual Learning (GCL) aims at learning from non independent and identically distributed stream data without catastrophic forgetting of the old tasks that don't rely on task boundaries during both training and testing stages. We…

计算机视觉与模式识别 · 计算机科学 2023-01-02 Zhong Ji , Jin Li , Qiang Wang , Zhongfei Zhang

Cloud cover can significantly hinder the use of remote sensing images for Earth observation, prompting urgent advancements in cloud removal technology. Recently, deep learning strategies have shown strong potential in restoring…

计算机视觉与模式识别 · 计算机科学 2024-11-21 Wenli Huang , Ye Deng , Yang Wu , Jinjun Wang

Vision-language models like CLIP have shown impressive capabilities in aligning images and text, but they often struggle with lengthy and detailed text descriptions because of their training focus on short and concise captions. We present…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Hyungyu Choi , Young Kyun Jang , Chanho Eom

Recent works attempt to improve scene parsing performance by exploring different levels of contexts, and typically train a well-designed convolutional network to exploit useful contexts across all pixels equally. However, in this paper, we…

计算机视觉与模式识别 · 计算机科学 2019-11-06 Jun Fu , Jing Liu , Yuhang Wang , Yong Li , Yongjun Bao , Jinhui Tang , Hanqing Lu

Recent advances in open-vocabulary object detection focus primarily on two aspects: scaling up datasets and leveraging contrastive learning to align language and vision modalities. However, these approaches often neglect internal…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Bozhao Li , Shaocong Wu , Tong Shao , Senqiao Yang , Qiben Shan , Zhuotao Tian , Jingyong Su

Contexts play an important role in the saliency detection task. However, given a context region, not all contextual information is helpful for the final task. In this paper, we propose a novel pixel-wise contextual attention network, i.e.,…

计算机视觉与模式识别 · 计算机科学 2018-04-04 Nian Liu , Junwei Han , Ming-Hsuan Yang

This paper addresses the problem of decentralized learning to achieve a high-performance global model by asking a group of clients to share local models pre-trained with their own data resources. We are particularly interested in a specific…

机器学习 · 计算机科学 2020-08-19 Jiaxin Ma , Ryo Yonetani , Zahid Iqbal

Visual In-Context Learning (ICL) has emerged as a promising research area due to its capability to accomplish various tasks with limited example pairs through analogical reasoning. However, training-based visual ICL has limitations in its…

计算机视觉与模式识别 · 计算机科学 2024-05-17 Zheng Gu , Shiyuan Yang , Jing Liao , Jing Huo , Yang Gao

State-of-the-art CNN based recognition models are often computationally prohibitive to deploy on low-end devices. A promising high level approach tackling this limitation is knowledge distillation, which let small student model mimic…

计算机视觉与模式识别 · 计算机科学 2019-10-31 Tao Wang , Li Yuan , Xiaopeng Zhang , Jiashi Feng

Post-training endows pretrained LLMs with a variety of desirable skills, including instruction-following, reasoning, and others. However, these post-trained LLMs only encode knowledge up to a cut-off date, necessitating continual…

计算与语言 · 计算机科学 2026-02-19 Shankar Padmanabhan , Mustafa Omer Gul , Tanya Goyal

Semantic segmentation in autonomous driving predominantly focuses on learning from large-scale data with a closed set of known classes without considering unknown objects. Motivated by safety reasons, we address the video class agnostic…

计算机视觉与模式识别 · 计算机科学 2021-05-12 Mennatullah Siam , Alex Kendall , Martin Jagersand

Knowledge distillation (KD) achieves promising results on the challenging problem of unsupervised anomaly detection (AD).The representation discrepancy of anomalies in the teacher-student (T-S) model provides essential evidence for AD.…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Hanqiu Deng , Xingyu Li

Various contextual information has been employed by many approaches for visual detection tasks. However, most of the existing approaches only focus on specific context for specific tasks. In this paper, GMC, a general framework is proposed…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Xuan Wang , Hao Tang , Zhigang Zhu