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Generic event boundary detection (GEBD) is an important yet challenging task in video understanding, which aims at detecting the moments where humans naturally perceive event boundaries. In this paper, we present a local context modeling…

计算机视觉与模式识别 · 计算机科学 2022-07-01 Jiaqi Tang , Zhaoyang Liu , Jing Tan , Chen Qian , Wayne Wu , Limin Wang

Object detection models perform well at localizing and classifying objects that they are shown during training. However, due to the difficulty and cost associated with creating and annotating detection datasets, trained models detect a…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Ayush Jaiswal , Yue Wu , Pradeep Natarajan , Premkumar Natarajan

Anomaly detection is an important problem in computer vision; however, the scarcity of anomalous samples makes this task difficult. Thus, recent anomaly detection methods have used only normal images with no abnormal areas for training. In…

计算机视觉与模式识别 · 计算机科学 2022-10-17 Shinji Yamada , Satoshi Kamiya , Kazuhiro Hotta

Continual Learning in semantic scene segmentation aims to continually learn new unseen classes in dynamic environments while maintaining previously learned knowledge. Prior studies focused on modeling the catastrophic forgetting and…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Thanh-Dat Truong , Utsav Prabhu , Bhiksha Raj , Jackson Cothren , Khoa Luu

Knowledge distillation (KD) is a widely used technique to transfer knowledge from a large teacher network to a smaller student model. Traditional KD uses a fixed balancing factor alpha as a hyperparameter to combine the hard-label…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Zhengda Li

In the anomaly detection setting, the native feature embedding can be a crucial source of bias. We present a technique, Feature Omission using Context in Unsupervised Settings (FOCUS) to learn a feature mapping that is invariant to changes…

机器学习 · 计算机科学 2017-09-15 Allison Del Giorno , J. Andrew Bagnell , Martial Hebert

Multimodal contrastive learning is a methodology for linking different data modalities; the canonical example is linking image and text data. The methodology is typically framed as the identification of a set of encoders, one for each…

机器学习 · 统计学 2025-06-02 Ricardo Baptista , Andrew M. Stuart , Son Tran

Time series anomaly detection is critical for a wide range of applications. It aims to identify deviant samples from the normal sample distribution in time series. The most fundamental challenge for this task is to learn a representation…

机器学习 · 计算机科学 2023-10-12 Yiyuan Yang , Chaoli Zhang , Tian Zhou , Qingsong Wen , Liang Sun

In this paper, we propose a Counterfactually Decoupled Attention Learning (CDAL) method for open-world model attribution. Existing methods rely on handcrafted design of region partitioning or feature space, which could be confounded by the…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Yu Zheng , Boyang Gong , Fanye Kong , Yueqi Duan , Bingyao Yu , Wenzhao Zheng , Lei Chen , Jiwen Lu , Jie Zhou

Self-supervised learning has achieved remarkable success in learning visual representations from clean data, yet remains challenging when clean observations are sparse or not available at all. In this paper, we demonstrate that pretrained…

计算机视觉与模式识别 · 计算机科学 2026-04-27 Konstantinos Alexis , Giorgos Giannopoulos , Dimitrios Gunopulos

Weakly supervised object localization (WSOL) aims to localize the target object using only the image-level supervision. Recent methods encourage the model to activate feature maps over the entire object by dropping the most discriminative…

计算机视觉与模式识别 · 计算机科学 2020-09-28 Minsong Ki , Youngjung Uh , Wonyoung Lee , Hyeran Byun

We unveil a long-standing problem in the prevailing co-saliency detection systems: there is indeed inconsistency between training and testing. Constructing a high-quality co-saliency detection dataset involves time-consuming and…

计算机视觉与模式识别 · 计算机科学 2021-10-04 Lingdong Kong , Prakhar Ganesh , Tan Wang , Junhao Liu , Le Zhang , Yao Chen

Knowledge Distillation (KD) aims to transfer knowledge from a large teacher model to a smaller student model. While contrastive learning has shown promise in self-supervised learning by creating discriminative representations, its…

计算机视觉与模式识别 · 计算机科学 2025-05-14 Nikolaos Giakoumoglou , Tania Stathaki

Training a deep learning model with artificially generated data can be an alternative when training data are scarce, yet it suffers from poor generalization performance due to a large domain gap. In this paper, we characterize the domain…

计算机视觉与模式识别 · 计算机科学 2023-02-21 Gilhyun Nam , Gyeongjae Choi , Kyungmin Lee

Object Detection, a fundamental computer vision problem, has paramount importance in smart camera systems. However, a truly reliable camera system could be achieved if and only if the underlying object detection component is robust enough…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Ujjal Kr Dutta

In this paper, we propose a novel training procedure for the continual representation learning problem in which a neural network model is sequentially learned to alleviate catastrophic forgetting in visual search tasks. Our method, called…

计算机视觉与模式识别 · 计算机科学 2022-06-13 Tommaso Barletti , Niccolo' Biondi , Federico Pernici , Matteo Bruni , Alberto Del Bimbo

Deep convolutional neural networks have achieved competitive performance in salient object detection, in which how to learn effective and comprehensive features plays a critical role. Most of the previous works mainly adopted multiple level…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Zuyao Chen , Qianqian Xu , Runmin Cong , Qingming Huang

Contrastive learning, a dominant self-supervised technique, emphasizes similarity in representations between augmentations of the same input and dissimilarity for different ones. Although low contrastive loss often correlates with high…

机器学习 · 计算机科学 2023-11-22 Yunzhe Zhang , Yao Lu , Qi Xuan

Prevalent semantic segmentation methods generally adopt a vanilla classifier to categorize each pixel into specific classes. Although such a classifier learns global information from the training data, this information is represented by a…

计算机视觉与模式识别 · 计算机科学 2025-10-30 Huadong Tang , Youpeng Zhao , Min Xu , Jun Wang , Qiang Wu

Forensic analysis of manipulated pixels requires the identification of various hidden and subtle features from images. Conventional image recognition models generally fail at this task because they are biased and more attentive toward the…

计算机视觉与模式识别 · 计算机科学 2022-04-11 Sowmen Das , Md. Saiful Islam , Md. Ruhul Amin