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Test-Time Adaptation (TTA) has emerged as a promising solution for adapting a source model to unseen medical sites using unlabeled test data, due to the high cost of data annotation. Existing TTA methods consider scenarios where data from…

计算机视觉与模式识别 · 计算机科学 2025-07-04 Wei Li , Jingyang Zhang , Lihao Liu , Guoan Wang , Junjun He , Yang Chen , Lixu Gu

Representation learning on text-attributed graphs (TAGs), where nodes are represented by textual descriptions, is crucial for textual and relational knowledge systems and recommendation systems. Currently, state-of-the-art embedding methods…

计算与语言 · 计算机科学 2024-12-24 Yi Fang , Dongzhe Fan , Sirui Ding , Ninghao Liu , Qiaoyu Tan

Prompt tuning methods for Graph Neural Networks (GNNs) have become popular to address the semantic gap between pre-training and fine-tuning steps. However, existing GNN prompting methods rely on labeled data and involve lightweight…

机器学习 · 计算机科学 2025-05-23 Peyman Baghershahi , Sourav Medya

Compositional Zero-Shot Learning (CZSL) aims to recognize novel attribute-object compositions based on the knowledge learned from seen ones. Existing methods suffer from performance degradation caused by the distribution shift of label…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Xudong Yan , Songhe Feng

Recently, large-scale pre-trained Vision and Language (VL) models have set a new state-of-the-art (SOTA) in zero-shot visual classification enabling open-vocabulary recognition of potentially unlimited set of categories defined as simple…

计算机视觉与模式识别 · 计算机科学 2023-10-24 M. Jehanzeb Mirza , Leonid Karlinsky , Wei Lin , Mateusz Kozinski , Horst Possegger , Rogerio Feris , Horst Bischof

Node classification is an essential problem in graph learning. However, many models typically obtain unsatisfactory performance when applied to few-shot scenarios. Some studies have attempted to combine meta-learning with graph neural…

机器学习 · 计算机科学 2024-07-23 Yonghao Liu , Mengyu Li , Ximing Li , Lan Huang , Fausto Giunchiglia , Yanchun Liang , Xiaoyue Feng , Renchu Guan

Few-shot and zero-shot text classification aim to recognize samples from novel classes with limited labeled samples or no labeled samples at all. While prevailing methods have shown promising performance via transferring knowledge from seen…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Han Liu , Siyang Zhao , Xiaotong Zhang , Feng Zhang , Wei Wang , Fenglong Ma , Hongyang Chen , Hong Yu , Xianchao Zhang

The task of zero-shot learning (ZSL) requires correctly predicting the label of samples from classes which were unseen at training time. This is achieved by leveraging side information about class labels, such as label attributes or word…

计算机视觉与模式识别 · 计算机科学 2020-10-23 Colin Samplawski , Jannik Wolff , Tassilo Klein , Moin Nabi

Vision-Language Models (VLMs) have demonstrated impressive performance on zero-shot classification, i.e. classification when provided merely with a list of class names. In this paper, we tackle the case of zero-shot classification in the…

计算机视觉与模式识别 · 计算机科学 2024-04-08 Vladan Stojnić , Yannis Kalantidis , Giorgos Tolias

Recently, large pre-trained vision-language models have shown remarkable performance in zero-shot anomaly detection (ZSAD). With fine-tuning on a single auxiliary dataset, the model enables cross-category anomaly detection on diverse…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Qiyu Chen , Zhen Qu , Wei Luo , Haiming Yao , Yunkang Cao , Yuxin Jiang , Yinan Duan , Huiyuan Luo , Chengkan Lv , Zhengtao Zhang

Federated Prompt Tuning (FPT) is an efficient method for cross-client collaborative fine-tuning of large Vision-Language Models (VLMs). However, models tuned using FPT are vulnerable to adversarial attacks, leading to misclassification in…

计算机视觉与模式识别 · 计算机科学 2025-09-10 Kun Zhai , Siheng Chen , Xingjun Ma , Yu-Gang Jiang

Vision-language models (VLMs), such as CLIP, have demonstrated impressive zero-shot capabilities for various downstream tasks. Their performance can be further enhanced through few-shot prompt tuning methods. However, current studies…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Zhi Zhou , Ming Yang , Jiang-Xin Shi , Lan-Zhe Guo , Yu-Feng Li

In the transductive setting, where the full graph is observed but node labels are only partially available, progress in semi-supervised node classification has largely focused on architectural innovation. In this paper, we revisit an…

机器学习 · 计算机科学 2026-05-21 Brown Zaz , Mar Gonzàlez I Català , Ferran Hernandez Caralt , Moshe Eliasof , Pietro Liò

Dataless text classification, i.e., a new paradigm of weakly supervised learning, refers to the task of learning with unlabeled documents and a few predefined representative words of categories, known as seed words. The recent generative…

计算与语言 · 计算机科学 2021-12-07 Bing Wang , Yue Wang , Ximing Li , Jihong Ouyang

Current pre-trained vision-language models, such as CLIP, have demonstrated remarkable zero-shot generalization capabilities across various downstream tasks. However, their performance significantly degrades when test inputs exhibit…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Junhui Yin , Xinyu Zhang , Lin Wu , Xiaojie Wang

Zero-shot text learning enables text classifiers to handle unseen classes efficiently, alleviating the need for task-specific training data. A simple approach often relies on comparing embeddings of query (text) to those of potential…

信息检索 · 计算机科学 2024-06-28 Tassallah Abdullahi , Ritambhara Singh , Carsten Eickhoff

Zero-shot text classification (ZSC) offers the promise of eliminating costly task-specific annotation by matching texts directly to human-readable label descriptions. While early approaches have predominantly relied on cross-encoder models…

计算与语言 · 计算机科学 2026-03-13 Ilias Aarab

Masked language models like BERT can perform text classification in a zero-shot fashion by reformulating downstream tasks as text infilling. However, this approach is highly sensitive to the template used to prompt the model, yet…

计算与语言 · 计算机科学 2022-10-27 Mozes van de Kar , Mengzhou Xia , Danqi Chen , Mikel Artetxe

Semantic segmentation, which aims to acquire a detailed understanding of images, is an essential issue in computer vision. However, in practical scenarios, new categories that are different from the categories in training usually appear.…

计算机视觉与模式识别 · 计算机科学 2020-07-02 Haiyang Liu , Yichen Wang , Jiayi Zhao , Guowu Yang , Fengmao Lv

Text classification of unseen classes is a challenging Natural Language Processing task and is mainly attempted using two different types of approaches. Similarity-based approaches attempt to classify instances based on similarities between…

计算与语言 · 计算机科学 2023-07-25 Tim Schopf , Daniel Braun , Florian Matthes