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Object detection is a central downstream task used to test if pre-trained network parameters confer benefits, such as improved accuracy or training speed. The complexity of object detection methods can make this benchmarking non-trivial…

计算机视觉与模式识别 · 计算机科学 2021-11-23 Yanghao Li , Saining Xie , Xinlei Chen , Piotr Dollar , Kaiming He , Ross Girshick

Face spoofing causes severe security threats in face recognition systems. Previous anti-spoofing works focused on supervised techniques, typically with either binary or auxiliary supervision. Most of them suffer from limited robustness and…

计算机视觉与模式识别 · 计算机科学 2020-05-25 Chengwei Chen , Wang Yuan , Xuequan Lu , Lizhuang Ma

Nowadays, the adoption of face recognition for biometric authentication systems is usual, mainly because this is one of the most accessible biometric modalities. Techniques that rely on trespassing these kind of systems by using a forged…

计算机视觉与模式识别 · 计算机科学 2019-02-11 Rodrigo Bresan , Allan Pinto , Anderson Rocha , Carlos Beluzo , Tiago Carvalho

Vision Transformers (ViT) have recently demonstrated exemplary performance on a variety of vision tasks and are being used as an alternative to CNNs. Their design is based on a self-attention mechanism that processes images as a sequence of…

计算机视觉与模式识别 · 计算机科学 2022-06-20 Akshayvarun Subramanya , Aniruddha Saha , Soroush Abbasi Koohpayegani , Ajinkya Tejankar , Hamed Pirsiavash

Patch attacks, one of the most threatening forms of physical attack in adversarial examples, can lead networks to induce misclassification by modifying pixels arbitrarily in a continuous region. Certifiable patch defense can guarantee…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Zhaoyu Chen , Bo Li , Jianghe Xu , Shuang Wu , Shouhong Ding , Wenqiang Zhang

With abundant, unlabeled real faces, how can we learn robust and transferable facial representations to boost generalization across various face security tasks? We make the first attempt and propose FS-VFM, a scalable self-supervised…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Gaojian Wang , Feng Lin , Tong Wu , Zhisheng Yan , Kui Ren

Biometric systems, such as face recognition systems powered by deep neural networks (DNNs), rely on large and highly sensitive datasets. Backdoor attacks can subvert these systems by manipulating the training process. By inserting a small…

计算机视觉与模式识别 · 计算机科学 2025-08-08 Farah Wahida , M. A. P. Chamikara , Yashothara Shanmugarasa , Mohan Baruwal Chhetri , Thilina Ranbaduge , Ibrahim Khalil

Vision Transformer (ViT) is emerging as the state-of-the-art architecture for image recognition. While recent studies suggest that ViTs are more robust than their convolutional counterparts, our experiments find that ViTs trained on…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Chengzhi Mao , Lu Jiang , Mostafa Dehghani , Carl Vondrick , Rahul Sukthankar , Irfan Essa

This study explores human action recognition using a three-class subset of the COCO image corpus, benchmarking models from simple fully connected networks to transformer architectures. The binary Vision Transformer (ViT) achieved 90% mean…

计算机视觉与模式识别 · 计算机科学 2025-06-16 MingZe Tang , Madiha Kazi

The proliferation of deepfake technology poses significant challenges to the authenticity and trustworthiness of digital media, necessitating the development of robust detection methods. This study explores the application of Swin…

计算机视觉与模式识别 · 计算机科学 2025-02-03 Aprille J. Xi , Eason Chen

Face Anti-Spoofing (FAS) remains challenging due to the requirement for robust domain generalization across unseen environments. While recent trends leverage Vision-Language Models (VLMs) for semantic supervision, these multimodal…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Mika Feng , Pierre Gallin-Martel , Koichi Ito , Takafumi Aoki

Transformers, composed of multiple self-attention layers, hold strong promises toward a generic learning primitive applicable to different data modalities, including the recent breakthroughs in computer vision achieving state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Sayak Paul , Pin-Yu Chen

Deep neural networks (DNNs) are well known to be vulnerable to adversarial examples (AEs). In previous studies, the use of models encrypted with a secret key was demonstrated to be robust against white-box attacks, but not against black-box…

人工智能 · 计算机科学 2024-02-13 Ryota Iijima , Sayaka Shiota , Hitoshi Kiya

The availability of handy multi-modal (i.e., RGB-D) sensors has brought about a surge of face anti-spoofing research. However, the current multi-modal face presentation attack detection (PAD) has two defects: (1) The framework based on…

计算机视觉与模式识别 · 计算机科学 2023-05-08 Ajian Liu , Zichang Tan , Zitong Yu , Chenxu Zhao , Jun Wan , Yanyan Liang , Zhen Lei , Du Zhang , Stan Z. Li , Guodong Guo

With the rapid progress of generative models, the current challenge in face forgery detection is how to effectively detect realistic manipulated faces from different unseen domains. Though previous studies show that pre-trained Vision…

计算机视觉与模式识别 · 计算机科学 2024-08-23 Anwei Luo , Rizhao Cai , Chenqi Kong , Yakun Ju , Xiangui Kang , Jiwu Huang , Alex C. Kot

Self-supervised learning (SSL) models have recently demonstrated remarkable performance across various tasks, including image segmentation. This study delves into the emergent characteristics of the Self-Distillation with No Labels (DINO)…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Joseph A. Gallego-Mejia , Anna Jungbluth , Laura Martínez-Ferrer , Matt Allen , Francisco Dorr , Freddie Kalaitzis , Raúl Ramos-Pollán

Transformers have become the dominant model in natural language processing, owing to their ability to pretrain on massive amounts of data, then transfer to smaller, more specific tasks via fine-tuning. The Vision Transformer was the first…

计算机视觉与模式识别 · 计算机科学 2020-12-21 Josh Beal , Eric Kim , Eric Tzeng , Dong Huk Park , Andrew Zhai , Dmitry Kislyuk

Deep Convolutional Neural Networks (CNNs) have long been the architecture of choice for computer vision tasks. Recently, Transformer-based architectures like Vision Transformer (ViT) have matched or even surpassed ResNets for image…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Srinadh Bhojanapalli , Ayan Chakrabarti , Daniel Glasner , Daliang Li , Thomas Unterthiner , Andreas Veit

Vision Transformers (ViT) have recently demonstrated the significant potential of transformer architectures for computer vision. To what extent can image-based deep reinforcement learning also benefit from ViT architectures, as compared to…

机器学习 · 计算机科学 2022-05-17 Tianxin Tao , Daniele Reda , Michiel van de Panne

Vision Transformers (ViT) are competing to replace Convolutional Neural Networks (CNN) for various computer vision tasks in medical imaging such as classification and segmentation. While the vulnerability of CNNs to adversarial attacks is a…

计算机视觉与模式识别 · 计算机科学 2022-08-08 Faris Almalik , Mohammad Yaqub , Karthik Nandakumar