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Current few-shot learning models capture visual object relations in the so-called meta-learning setting under a fixed-resolution input. However, such models have a limited generalization ability under the scale and location mismatch between…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Hongguang Zhang , Philip H. S. Torr , Piotr Koniusz

Few-shot segmentation (FSS) is a dense prediction task that aims to infer the pixel-wise labels of unseen classes using only a limited number of annotated images. The key challenge in FSS is to classify the labels of query pixels using…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Wenbo Xu , Huaxi Huang , Ming Cheng , Litao Yu , Qiang Wu , Jian Zhang

In this paper, we propose a novel approach for conducting face morphing attacks, which utilizes optimal-landmark-guided image blending. Current face morphing attacks can be categorized into landmark-based and generation-based approaches.…

计算机视觉与模式识别 · 计算机科学 2024-01-31 Qiaoyun He , Zongyong Deng , Zuyuan He , Qijun Zhao

Change detection is a basic task of remote sensing image processing. The research objective is to identity the change information of interest and filter out the irrelevant change information as interference factors. Recently, the rise of…

计算机视觉与模式识别 · 计算机科学 2020-11-12 Jie Chen , Ziyang Yuan , Jian Peng , Li Chen , Haozhe Huang , Jiawei Zhu , Yu Liu , Haifeng Li

Creating fake images and videos such as "Deepfake" has become much easier these days due to the advancement in Generative Adversarial Networks (GANs). Moreover, recent research such as the few-shot learning can create highly realistic…

计算机视觉与模式识别 · 计算机科学 2020-08-11 Hyeonseong Jeon , Youngoh Bang , Simon S. Woo

Few-shot segmentation (FSS) aims to segment unseen classes given only a few annotated samples. Existing methods suffer the problem of feature undermining, i.e. potential novel classes are treated as background during training phase. Our…

计算机视觉与模式识别 · 计算机科学 2021-09-28 Lihe Yang , Wei Zhuo , Lei Qi , Yinghuan Shi , Yang Gao

In neuroscience research, achieving single-neuron matching across different imaging modalities is critical for understanding the relationship between neuronal structure and function. However, modality gaps and limited annotations present…

计算机视觉与模式识别 · 计算机科学 2025-04-24 Wenwei Li , Liyi Cai , Wu Chen , Anan Li

Most previous few-shot learning algorithms are based on meta-training with fake few-shot tasks as training samples, where large labeled base classes are required. The trained model is also limited by the type of tasks. In this paper we…

计算机视觉与模式识别 · 计算机科学 2020-08-25 Jianyi Li , Guizhong Liu

Face morphing attacks threaten biometric verification, yet most morphing attack detection (MAD) systems require task-specific training and generalize poorly to unseen attack types. Meanwhile, open-source multimodal large language models…

计算机视觉与模式识别 · 计算机科学 2026-02-18 Marija Ivanovska , Vitomir Štruc

Supervised learning is dominant in person search, but it requires elaborate labeling of bounding boxes and identities. Large-scale labeled training data is often difficult to collect, especially for person identities. A natural question is…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Chuchu Han , Kai Su , Dongdong Yu , Zehuan Yuan , Changxin Gao , Nong Sang , Yi Yang , Changhu Wang

Morphing is a challenge to face recognition (FR) for which several morphing attack detection solutions have been proposed. We argue that face recognition and differential morphing attack detection (D-MAD) in principle perform very similar…

计算机视觉与模式识别 · 计算机科学 2026-04-24 Una M. Kelly , Luuk J. Spreeuwers , Raymond N. J. Veldhuis

Face Anti-spoofing gains increased attentions recently in both academic and industrial fields. With the emergence of various CNN based solutions, the multi-modal(RGB, depth and IR) methods based CNN showed better performance than single…

计算机视觉与模式识别 · 计算机科学 2019-04-23 Peng Zhang , Fuhao Zou , Zhiwen Wu , Nengli Dai , Skarpness Mark , Michael Fu , Juan Zhao , Kai Li

We propose a novel zero-shot source tracing framework inspired by speaker verification. We adapt SSL-AASIST for attack classification, enhancing embeddings with AAM loss and RegMixup, and ensure that training attacks are disjoint from those…

音频与语音处理 · 电气工程与系统科学 2026-05-12 Manasi Chhibber , Jagabandhu Mishra , Tomi H. Kinnunen

When malware employs an unseen zero-day exploit, traditional security measures such as vulnerability scanners and antivirus software can fail to detect them. This is because these tools rely on known patches and signatures, which do not…

密码学与安全 · 计算机科学 2024-11-22 Jinting Zhu , Julian Jang-Jaccard , Ian Welch , Harith AI-Sahaf , Seyit Camtepe , Aeryn Dunmore , Cybersecurity Lab

Convolutional neural networks (CNNs) have been widely used in the computer vision community, significantly improving the state-of-the-art. But learning good features often is computationally expensive in machine learning settings and is…

计算机视觉与模式识别 · 计算机科学 2026-01-14 Janis Mohr , Jörg Frochte

This paper considers image change detection with only a small number of samples, which is a significant problem in terms of a few annotations available. A major impediment of image change detection task is the lack of large annotated…

计算机视觉与模式识别 · 计算机科学 2023-11-08 Ke Liu , Zhaoyi Song , Haoyue Bai

Face morphing attacks target to circumvent Face Recognition Systems (FRS) by employing face images derived from multiple data subjects (e.g., accomplices and malicious actors). Morphed images can be verified against contributing data…

计算机视觉与模式识别 · 计算机科学 2021-04-08 Haoyu Zhang , Sushma Venkatesh , Raghavendra Ramachandra , Kiran Raja , Naser Damer , Christoph Busch

Various face image datasets intended for facial biometrics research were created via web-scraping, i.e. the collection of images publicly available on the internet. This work presents an approach to detect both exactly and nearly identical…

计算机视觉与模式识别 · 计算机科学 2024-03-07 Torsten Schlett , Christian Rathgeb , Juan Tapia , Christoph Busch

Morphing is the process of combining two or more subjects in an image in order to create a new identity which contains features of both individuals. Morphed images can fool Facial Recognition Systems (FRS) into falsely accepting multiple…

计算机视觉与模式识别 · 计算机科学 2021-11-04 Kelsey O'Haire , Sobhan Soleymani , Baaria Chaudhary , Poorya Aghdaie , Jeremy Dawson , Nasser M. Nasrabadi

Few-shot learning has made impressive strides in addressing the crucial challenges of recognizing unknown samples from novel classes in target query sets and managing visual shifts between domains. However, existing techniques fall short…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Debabrata Pal , Deeptej More , Sai Bhargav , Dipesh Tamboli , Vaneet Aggarwal , Biplab Banerjee