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In this paper, we demonstrate that CLIP can also be adapted to downstream tasks where its vision-language alignment is suboptimally learned during pre-training on web-crawled data, all without requiring fine-tuning. We explore the case of…

计算机视觉与模式识别 · 计算机科学 2025-09-25 Sohee Kim , Jisu Kang , Dunam Kim , Seokju Lee

The rapid development of photo-realistic face generation methods has raised significant concerns in society and academia, highlighting the urgent need for robust and generalizable face forgery detection (FFD) techniques. Although existing…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Yaning Zhang , Tianyi Wang , Zitong Yu , Zan Gao , Linlin Shen , Shengyong Chen

Despite significant progress over the past few years, ambiguity is still a key challenge in Facial Expression Recognition (FER). It can lead to noisy and inconsistent annotation, which hinders the performance of deep learning models in…

计算机视觉与模式识别 · 计算机科学 2022-09-22 Nhat Le , Khanh Nguyen , Quang Tran , Erman Tjiputra , Bac Le , Anh Nguyen

The Visual Language Model, known for its robust cross-modal capabilities, has been extensively applied in various computer vision tasks. In this paper, we explore the use of CLIP (Contrastive Language-Image Pretraining), a vision-language…

计算机视觉与模式识别 · 计算机科学 2025-02-12 Huazhong Zhao , Lei Qi , Xin Geng

Facial Expression Recognition (FER) in the wild is extremely challenging due to occlusions, variant head poses, face deformation and motion blur under unconstrained conditions. Although substantial progresses have been made in automatic FER…

计算机视觉与模式识别 · 计算机科学 2022-05-12 Fuyan Ma , Bin Sun , Shutao Li

In recent years, Facial Expression Recognition (FER) has gained increasing attention. Most current work focuses on supervised learning, which requires a large amount of labeled and diverse images, while FER suffers from the scarcity of…

计算机视觉与模式识别 · 计算机科学 2024-10-24 Jie Song , Mengqiao He , Jinhua Feng , Bairong Shen

The recent research of facial expression recognition has made a lot of progress due to the development of deep learning technologies, but some typical challenging problems such as the variety of rich facial expressions and poses are still…

计算机视觉与模式识别 · 计算机科学 2019-07-26 Wenxuan Wang , Qiang Sun , Tao Chen , Chenjie Cao , Ziqi Zheng , Guoqiang Xu , Han Qiu , Yanwei Fu

In-the-wild dynamic facial expression recognition (DFER) encounters a significant challenge in recognizing emotion-related expressions, which are often temporally and spatially diluted by emotion-irrelevant expressions and global context.…

计算机视觉与模式识别 · 计算机科学 2024-12-19 Xingjian Wang , Li Chai

Although state-of-the-art classifiers for facial expression recognition (FER) can achieve a high level of accuracy, they lack interpretability, an important feature for end-users. Experts typically associate spatial action units (\aus) from…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Soufiane Belharbi , Marco Pedersoli , Alessandro Lameiras Koerich , Simon Bacon , Eric Granger

As a pioneering vision-language model, CLIP (Contrastive Language-Image Pre-training) has achieved significant success across various domains and a wide range of downstream vision-language tasks. However, the text encoders in popular CLIP…

计算机视觉与模式识别 · 计算机科学 2025-04-03 Mothilal Asokan , Kebin Wu , Fatima Albreiki

Recent approaches have shown that large-scale vision-language models such as CLIP can improve semantic segmentation performance. These methods typically aim for pixel-level vision-language alignment, but often rely on low resolution image…

计算机视觉与模式识别 · 计算机科学 2024-08-01 Anurag Das , Xinting Hu , Li Jiang , Bernt Schiele

Virtual screening aims to efficiently identify active ligands from massive chemical libraries for a given target pocket. Recent CLIP-style models such as DrugCLIP enable scalable virtual screening by embedding pockets and ligands into a…

机器学习 · 计算机科学 2026-02-18 Anjie Qiao , Zhen Wang , Yaliang Li , Jiahua Rao , Yuedong Yang

The evolution of prompt learning methodologies has driven exploration of deeper prompt designs to enhance model performance. However, current deep text prompting approaches suffer from two critical limitations: Over-reliance on constrastive…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Qiqi Zhan , Shiwei Li , Qingjie Liu , Yunhong Wang

Contrastive Language-Image Pre-training (CLIP) starts to emerge in many computer vision tasks and has achieved promising performance. However, it remains underexplored whether CLIP can be generalized to 3D hand pose estimation, as bridging…

多媒体 · 计算机科学 2023-09-29 Shaoxiang Guo , Qing Cai , Lin Qi , Junyu Dong

Although CLIP-like Visual Language Models provide a functional joint feature space for image and text, due to the limitation of the CILP-like model's image input size (e.g., 224), subtle details are lost in the feature representation if we…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Zilun Zhang , Cuifeng Shen , Yuan Shen , Xinyu Zhou , Huixin Xiong , Tiancheng Zhao , Jianwei Yin

With its powerful visual-language alignment capability, CLIP performs well in zero-shot and few-shot learning tasks. However, we found in experiments that CLIP's logits suffer from serious inter-class confusion problems in downstream tasks,…

计算机视觉与模式识别 · 计算机科学 2025-04-17 Shuo Li , Fang Liu , Zehua Hao , Xinyi Wang , Lingling Li , Xu Liu , Puhua Chen , Wenping Ma

Contrastive Language-Image Pre-training (CLIP) exhibits strong zero-shot classification ability on various image-level tasks, leading to the research to adapt CLIP for pixel-level open-vocabulary semantic segmentation without additional…

计算机视觉与模式识别 · 计算机科学 2024-11-22 Lin Sun , Jiale Cao , Jin Xie , Xiaoheng Jiang , Yanwei Pang

Facial expression recognition (FER) has emerged as an important component of human-computer interaction systems. Despite recent advancements in FER, performance often drops significantly for non-frontal facial images. We propose Contrastive…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Shuvendu Roy , Ali Etemad

Vision-Language models like CLIP have been widely adopted for various tasks due to their impressive zero-shot capabilities. However, CLIP is not suitable for extracting 3D geometric features as it was trained on only images and text by…

计算机视觉与模式识别 · 计算机科学 2023-04-20 Deepti Hegde , Jeya Maria Jose Valanarasu , Vishal M. Patel

Contrastive Language-Image Pre-training (CLIP) achieves promising results in 2D zero-shot and few-shot learning. Despite the impressive performance in 2D, applying CLIP to help the learning in 3D scene understanding has yet to be explored.…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Runnan Chen , Youquan Liu , Lingdong Kong , Xinge Zhu , Yuexin Ma , Yikang Li , Yuenan Hou , Yu Qiao , Wenping Wang