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Prompt learning has emerged as a valuable technique in enhancing vision-language models (VLMs) such as CLIP for downstream tasks in specific domains. Existing work mainly focuses on designing various learning forms of prompts, neglecting…

计算机视觉与模式识别 · 计算机科学 2024-08-14 Zheng Li , Xiang Li , Xinyi Fu , Xin Zhang , Weiqiang Wang , Shuo Chen , Jian Yang

Prompt learning is a new learning paradigm which reformulates downstream tasks as similar pretraining tasks on pretrained models by leveraging textual prompts. Recent works have demonstrated that prompt learning is particularly useful for…

计算与语言 · 计算机科学 2022-10-21 Yue Zhang , Hongliang Fei , Dingcheng Li , Tan Yu , Ping Li

Multimodal supervision has achieved promising results in many visual language understanding tasks, where the language plays an essential role as a hint or context for recognizing and locating instances. However, due to the defects of the…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Weixin Feng , Xingyuan Bu , Chenchen Zhang , Xubin Li

The main scope of this chapter is to serve as an introduction to face presentation attack detection, including key resources and advances in the field in the last few years. The next pages present the different presentation attacks that a…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Javier Hernandez-Ortega , Julian Fierrez , Aythami Morales , Javier Galbally

The vision-language pre-training has enabled deep models to make a huge step forward in generalizing across unseen domains. The recent learning method based on the vision-language pre-training model is a great tool for domain generalization…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Liyuan Wang , Yan Jin , Zhen Chen , Jinlin Wu , Mengke Li , Yang Lu , Hanzi Wang

We present Prompt Diffusion, a framework for enabling in-context learning in diffusion-based generative models. Given a pair of task-specific example images, such as depth from/to image and scribble from/to image, and a text guidance, our…

计算机视觉与模式识别 · 计算机科学 2023-10-20 Zhendong Wang , Yifan Jiang , Yadong Lu , Yelong Shen , Pengcheng He , Weizhu Chen , Zhangyang Wang , Mingyuan Zhou

Inspired by the success of vision-language methods (VLMs) in zero-shot classification, recent works attempt to extend this line of work into object detection by leveraging the localization ability of pre-trained VLMs and generating pseudo…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Yanxin Long , Jianhua Han , Runhui Huang , Xu Hang , Yi Zhu , Chunjing Xu , Xiaodan Liang

Current Large Vision-Language Models (LVLMs) have demonstrated remarkable capabilities in understanding multimodal data, but their potential remains underexplored for deepfake detection due to the misalignment of their knowledge and…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Peipeng Yu , Jianwei Fei , Hui Gao , Xuan Feng , Zhihua Xia , Chip Hong Chang

Face representation learning solutions have recently achieved great success for various applications such as verification and identification. However, face recognition approaches that are based purely on RGB images rely solely on intensity…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Hardik Uppal , Alireza Sepas-Moghaddam , Michael Greenspan , Ali Etemad

Accurate 3D bird's-eye view (BEV) object detection is essential for autonomous driving, and depends strongly on effective multimodal representations from complementary sensors such as cameras and LiDAR. Multimodal masked autoencoders have…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Prabuddhi Wariyapperuma , Rajitha de Silva , Marc Hanheide , Thomas Bohné , Leonardo Guevara

The vulnerability against presentation attacks is a crucial problem undermining the wide-deployment of face recognition systems. Though presentation attack detection (PAD) systems try to address this problem, the lack of generalization and…

计算机视觉与模式识别 · 计算机科学 2022-02-22 Anjith George , David Geissbuhler , Sebastien Marcel

The advent of Large Language Models LLMs marks a milestone in Artificial Intelligence, altering how machines comprehend and generate human language. However, LLMs are vulnerable to malicious prompt injection attacks, where crafted inputs…

计算与语言 · 计算机科学 2024-10-29 Sahasra Kokkula , Somanathan R , Nandavardhan R , Aashishkumar , G Divya

Crowdsourcing is a critical technology in social manufacturing, which leverages an extensive and boundless reservoir of human resources to handle a wide array of complex tasks. The successful execution of these complex tasks relies on task…

计算与语言 · 计算机科学 2024-06-12 Jing Yang , Xiao Wang , Yu Zhao , Yuhang Liu , Fei-Yue Wang

Few-normal shot anomaly detection (FNSAD) aims to detect abnormal regions in images using only a few normal training samples, making the task highly challenging due to limited supervision and the diversity of potential defects. Recent…

计算机视觉与模式识别 · 计算机科学 2026-01-23 Morteza Poudineh , Marc Lalonde

Prompt tuning, like CoOp, has recently shown promising vision recognizing and transfer learning ability on various downstream tasks with the emergence of large pre-trained vision-language models like CLIP. However, we identify that existing…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Yongzhu Miao , Shasha Li , Jintao Tang , Ting Wang

Detecting face forgeries using CLIP has recently emerged as a promising and increasingly popular research direction. Owing to its rich visual knowledge acquired through large-scale pretraining, most existing methods typically rely on the…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Enrui Yang , Yuezun Li

This paper presents a simple and effective visual prompting method for adapting pre-trained models to downstream recognition tasks. Our method includes two key designs. First, rather than directly adding together the prompt and the image,…

计算机视觉与模式识别 · 计算机科学 2023-03-30 Junyang Wu , Xianhang Li , Chen Wei , Huiyu Wang , Alan Yuille , Yuyin Zhou , Cihang Xie

Existing methodologies in open vocabulary 3D semantic segmentation primarily concentrate on establishing a unified feature space encompassing 3D, 2D, and textual modalities. Nevertheless, traditional techniques such as global feature…

计算机视觉与模式识别 · 计算机科学 2024-11-21 Ziyi Wang , Yanbo Wang , Xumin Yu , Jie Zhou , Jiwen Lu

In this paper, we investigate the knowledge distillation (KD) strategy for object detection and propose an effective framework applicable to both homogeneous and heterogeneous student-teacher pairs. The conventional feature imitation…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Lewei Yao , Renjie Pi , Hang Xu , Wei Zhang , Zhenguo Li , Tong Zhang

In recent years, face biometric security systems are rapidly increasing, therefore, the presentation attack detection (PAD) has received significant attention from research communities and has become a major field of research. Researchers…

计算机视觉与模式识别 · 计算机科学 2021-01-14 Seyedkooshan Hashemifard , Mohammad Akbari