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Video anomaly detection (VAD) often learns the distribution of normal samples and detects the anomaly through measuring significant deviations, but the undesired generalization may reconstruct a few anomalies thus suppressing the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Jiahao Lyu , Minghua Zhao , Jing Hu , Xuewen Huang , Shuangli Du , Cheng Shi , Zhiyong Lv

Drone-captured images present significant challenges in object detection due to varying shooting conditions, which can alter object appearance and shape. Factors such as drone altitude, angle, and weather cause these variations, influencing…

Computer Vision and Pattern Recognition · Computer Science 2024-11-15 Chanyeong Park , Heegwang Kim , Joonki Paik

Zero-shot Learning (ZSL) is a transfer learning technique which aims at transferring knowledge from seen classes to unseen classes. This knowledge transfer is possible because of underlying semantic space which is common to seen and unseen…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Omkar Gune , Mainak Pal , Preeti Mukherjee , Biplab Banerjee , Subhasis Chaudhuri

Despite the advancement of supervised image recognition algorithms, their dependence on the availability of labeled data and the rapid expansion of image categories raise the significant challenge of zero-shot learning. Zero-shot learning…

Machine Learning · Computer Science 2019-04-09 Meng Ye , Yuhong Guo

Generalized Zero-Shot Learning (GZSL) aims to recognize new categories with auxiliary semantic information,e.g., category attributes. In this paper, we handle the critical issue of domain shift problem, i.e., confusion between seen and…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Chaoqun Wang , Shaobo Min , Xuejin Chen , Xiaoyan Sun , Houqiang Li

Pre-trained vision-language models (e.g., CLIP) have shown promising zero-shot generalization in many downstream tasks with properly designed text prompts. Instead of relying on hand-engineered prompts, recent works learn prompts using the…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Manli Shu , Weili Nie , De-An Huang , Zhiding Yu , Tom Goldstein , Anima Anandkumar , Chaowei Xiao

Zero-shot learning for visual recognition, e.g., object and action recognition, has recently attracted a lot of attention. However, it still remains challenging in bridging the semantic gap between visual features and their underlying…

Computer Vision and Pattern Recognition · Computer Science 2017-06-05 Qian Wang , Ke Chen

This paper introduces a novel framework for zero-shot learning (ZSL), i.e., to recognize new categories that are unseen during training, by using a multi-model and multi-alignment integration method. Specifically, we propose three…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Siqi Yin , Lifan Jiang

In the domain of anomaly detection, methods often excel in either high-level semantic or low-level industrial benchmarks, rarely achieving cross-domain proficiency. Semantic anomalies are novelties that differ in meaning from the training…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Luc P. J. Sträter , Mohammadreza Salehi , Efstratios Gavves , Cees G. M. Snoek , Yuki M. Asano

Real-time semantic segmentation models offer an excellent balance between accuracy and inference speed. However, deploying these models in dynamic real world environments often requires the ability to learn novel classes incrementally…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Yujing Zhou , Prashant Shekhar , Thomas Yang , Yongxin Liu

In most recent years, zero-shot recognition (ZSR) has gained increasing attention in machine learning and image processing fields. It aims at recognizing unseen class instances with knowledge transferred from seen classes. This is typically…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Jingcai Guo , Song Guo

Automated code vulnerability detection has gained increasing attention in recent years. The deep learning (DL)-based methods, which implicitly learn vulnerable code patterns, have proven effective in vulnerability detection. The performance…

Software Engineering · Computer Science 2023-08-22 Xin-Cheng Wen , Xinchen Wang , Cuiyun Gao , Shaohua Wang , Yang Liu , Zhaoquan Gu

Zero shot learning (ZSL) aims to recognize unseen classes by exploiting semantic relationships between seen and unseen classes. Two major problems faced by ZSL algorithms are the hubness problem and the bias towards the seen classes.…

Computer Vision and Pattern Recognition · Computer Science 2019-04-17 Akanksha Paul , Narayanan C. Krishnan , Prateek Munjal

This paper tackles the problem of zero-shot sign language recognition (ZSSLR), where the goal is to leverage models learned over the seen sign classes to recognize the instances of unseen sign classes. In this context, readily available…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Yunus Can Bilge , Ramazan Gokberk Cinbis , Nazli Ikizler-Cinbis

Unsupervised anomaly detection (UAD) alleviates large labeling efforts by training exclusively on unlabeled in-distribution data and detecting outliers as anomalies. Generally, the assumption prevails that large training datasets allow the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Felix Meissen , Johannes Getzner , Alexander Ziller , Özgün Turgut , Georgios Kaissis , Martin J. Menten , Daniel Rueckert

We propose a method to infer domain-specific models such as classifiers for unseen domains, from which no data are given in the training phase, without domain semantic descriptors. When training and test distributions are different,…

Machine Learning · Statistics 2018-07-10 Atsutoshi Kumagai , Tomoharu Iwata

Exploiting the foundation models (e.g., CLIP) to build a versatile keypoint detector has gained increasing attention. Most existing models accept either the text prompt (e.g., ``the nose of a cat''), or the visual prompt (e.g., support…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Changsheng Lu , Zheyuan Liu , Piotr Koniusz

Zero-shot instance segmentation aims to detect and precisely segment objects of unseen categories without any training samples. Since the model is trained on seen categories, there is a strong bias that the model tends to classify all the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Shuting He , Henghui Ding , Wei Jiang

Most visual recognition methods implicitly assume the data distribution remains unchanged from training to testing. However, in practice domain shift often exists, where real-world factors such as lighting and sensor type change between…

Machine Learning · Computer Science 2015-07-30 Yongxin Yang , Timothy Hospedales

In this work, we define and address a novel domain adaptation (DA) problem in semantic scene segmentation, where the target domain not only exhibits a data distribution shift w.r.t. the source domain, but also includes novel classes that do…

Computer Vision and Pattern Recognition · Computer Science 2021-02-17 Maxime Bucher , Tuan-Hung Vu , Matthieu Cord , Patrick Pérez