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Related papers: Visual Prompt Flexible-Modal Face Anti-Spoofing

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Emotion recognition from facial videos enables non-contact inference of human emotional states. Although facial expressions are widely used cues, they cannot fully reflect intrinsic affective states. Remote photoplethysmography (rPPG)…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Xiwen Luo , Jia Li , Rencheng Song , Yu Liu , Juan Cheng

Face anti-spoofing is crucial to the security of face recognition systems. Most previous methods formulate face anti-spoofing as a supervised learning problem to detect various predefined presentation attacks, which need large scale…

Computer Vision and Pattern Recognition · Computer Science 2021-09-08 Yunxiao Qin , Chenxu Zhao , Xiangyu Zhu , Zezheng Wang , Zitong Yu , Tianyu Fu , Feng Zhou , Jingping Shi , Zhen Lei

In real-world scenarios, multimodal federated learning often faces the practical challenge of intricate modality missing, which poses constraints on building federated frameworks and significantly degrades model inference accuracy. Existing…

Machine Learning · Computer Science 2024-02-06 Guangyin Bao , Qi Zhang , Duoqian Miao , Zixuan Gong , Liang Hu , Ke Liu , Yang Liu , Chongyang Shi

Utilizing the sensor characteristics of the audio, visible camera, and thermal camera, the robustness of person recognition can be enhanced. Existing multimodal person recognition frameworks are primarily formulated assuming that multimodal…

Multimedia · Computer Science 2022-10-25 Vijay John , Yasutomo Kawanishi

Prompt learning has been designed as an alternative to fine-tuning for adapting Vision-language (V-L) models to the downstream tasks. Previous works mainly focus on text prompt while visual prompt works are limited for V-L models. The…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Chen Xu , Yuhan Zhu , Haocheng Shen , Boheng Chen , Yixuan Liao , Xiaoxin Chen , Limin Wang

In the domain of facial recognition security, multimodal Face Anti-Spoofing (FAS) is essential for countering presentation attacks. However, existing technologies encounter challenges due to modality biases and imbalances, as well as domain…

Computer Vision and Pattern Recognition · Computer Science 2024-12-25 Yingjie Ma , Zitong Yu , Xun Lin , Weicheng Xie , Linlin Shen

Face Morphing Attack Detection (MAD) is a critical challenge in face recognition security, where attackers can fool systems by interpolating the identity information of two or more individuals into a single face image, resulting in samples…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Eduarda Caldeira , Fadi Boutros , Naser Damer

Recently, multimodal prompting, which introduces learnable missing-aware prompts for all missing modality cases, has exhibited impressive performance. However, it encounters two critical issues: 1) The number of prompts grows exponentially…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Jaehyuk Jang , Yooseung Wang , Changick Kim

Visible-modal object tracking gives rise to a series of downstream multi-modal tracking tributaries. To inherit the powerful representations of the foundation model, a natural modus operandi for multi-modal tracking is full fine-tuning on…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Jiawen Zhu , Simiao Lai , Xin Chen , Dong Wang , Huchuan Lu

Missing modalities consistently lead to significant performance degradation in multimodal models. Existing approaches either synthesize missing modalities at high computational cost or apply prompt-based fine-tuning that relies only on…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Hongye Zhu , Xuan Liu , Yanwen Ba , Jingye Xue , Shigeng Zhang

Face presentation attacks (FPA), also known as face spoofing, have brought increasing concerns to the public through various malicious applications, such as financial fraud and privacy leakage. Therefore, safeguarding face recognition…

Multimedia · Computer Science 2024-03-22 Chenqi Kong , Kexin Zheng , Yibing Liu , Shiqi Wang , Anderson Rocha , Haoliang Li

Multimodal models integrating natural language and visual information have substantially improved generalization of representation models. However, their effectiveness significantly declines in real-world situations where certain modalities…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Jiajun Chen , Sai Cheng , Yutao Yuan , Yirui Zhang , Haitao Yuan , Peng Peng , Yi Zhong

Recent progress in multi-modal conditioned face synthesis has enabled the creation of visually striking and accurately aligned facial images. Yet, current methods still face issues with scalability, limited flexibility, and a…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Jingjing Ren , Cheng Xu , Haoyu Chen , Xinran Qin , Lei Zhu

Vision-Language Pre-training (VLP) aims to learn multi-modal representations from image-text pairs and serves for downstream vision-language tasks in a fine-tuning fashion. The dominant VLP models adopt a CNN-Transformer architecture, which…

Computer Vision and Pattern Recognition · Computer Science 2021-11-10 Hongwei Xue , Yupan Huang , Bei Liu , Houwen Peng , Jianlong Fu , Houqiang Li , Jiebo Luo

Multimodal learning typically relies on the assumption that all modalities are fully available during both the training and inference phases. However, in real-world scenarios, consistently acquiring complete multimodal data presents…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Donggeun Kim , Taesup Kim

In this work, we study multi-domain learning for face anti-spoofing(MD-FAS), where a pre-trained FAS model needs to be updated to perform equally well on both source and target domains while only using target domain data for updating. We…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Xiao Guo , Yaojie Liu , Anil Jain , Xiaoming Liu

Large pre-trained vision-language models (VLMs) offer a promising approach to leveraging human language for enhancing downstream tasks. However, VLMs such as CLIP face significant limitation: its performance is highly sensitive to prompt…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Ao Li , Zongfang Liu , Xinhua Li , Jinghui Zhang , Pengwei Wang , Hu Wang

Face Anti-spoofing (FAS) is a challenging problem due to complex serving scenarios and diverse face presentation attack patterns. Especially when captured images are low-resolution, blurry, and coming from different domains, the performance…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Xudong Chen , Shugong Xu , Qiaobin Ji , Shan Cao

Owing to the advances in image processing technology and large-scale datasets, companies have implemented facial authentication processes, thereby stimulating increased focus on face anti-spoofing (FAS) against realistic presentation…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Yunseung Lee , Youngjun Kwak , Jinho Shin

Multimodal representation learning has shown promising improvements on various vision-language tasks. Most existing methods excel at building global-level alignment between vision and language while lacking effective fine-grained image-text…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Zijia Zhao , Longteng Guo , Xingjian He , Shuai Shao , Zehuan Yuan , Jing Liu