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Recently unsupervised domain adaptation for the semantic segmentation task has become more and more popular due to high-cost of pixel-level annotation on real-world images. However, most domain adaptation methods are only restricted to…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Takashi Isobe , Xu Jia , Shuaijun Chen , Jianzhong He , Yongjie Shi , Jianzhuang Liu , Huchuan Lu , Shengjin Wang

Deep learning has achieved great success in recent years with the aid of advanced neural network structures and large-scale human-annotated datasets. However, it is often costly and difficult to accurately and efficiently annotate…

计算机视觉与模式识别 · 计算机科学 2023-03-23 Chen Feng , Ioannis Patras

Lesion detection is a fundamental problem in the computer-aided diagnosis scheme for mammography. The advance of deep learning techniques have made a remarkable progress for this task, provided that the training data are large and…

图像与视频处理 · 电气工程与系统科学 2021-11-23 Zheren Li , Zhiming Cui , Sheng Wang , Yuji Qi , Xi Ouyang , Qitian Chen , Yuezhi Yang , Zhong Xue , Dinggang Shen , Jie-Zhi Cheng

Unpaired image-to-image translation involves learning mappings between source domain and target domain in the absence of aligned or corresponding samples. Score based diffusion models have demonstrated state-of-the-art performance in…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Venkata Narendra Kotyada , Revanth Eranki , Nagesh Bhattu Sristy

Modern supervised semantic segmentation methods are usually finetuned based on the supervised or self-supervised models pre-trained on ImageNet. Recent work shows that transferring the knowledge from CLIP to semantic segmentation via prompt…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Chaohui Yu , Qiang Zhou , Zhibin Wang , Fan Wang

As the volume of data continues to expand, it becomes increasingly common for data to be aggregated from multiple sources. Leveraging multiple sources for model training typically achieves better predictive performance on test datasets.…

统计方法学 · 统计学 2025-03-05 Congbin Xu , Chengde Qian , Zhaojun Wang , Changliang Zou

Stance detection concerns automatically determining the viewpoint (i.e., in favour of, against, or neutral) of a text's author towards a target. Stance detection has been applied to many research topics, among which the detection of stances…

计算与语言 · 计算机科学 2026-02-20 Qixiang Fang , Anastasia Giachanou , Ayoub Bagheri

Contrastive learning is among the most popular and powerful approaches for self-supervised representation learning, where the goal is to map semantically similar samples close together while separating dissimilar ones in the latent space.…

机器学习 · 统计学 2025-12-03 Ali Alvandi , Mina Rezaei

Learning multi-label image recognition with incomplete annotation is gaining popularity due to its superior performance and significant labor savings when compared to training with fully labeled datasets. Existing literature mainly focuses…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Cheng Chen , Yifan Zhao , Jia Li

Ensemble methods exploit the availability of a given number of classifiers or detectors trained in single or multiple source domains and tasks to address machine learning problems such as domain adaptation or multi-source transfer learning.…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Erik Isai Valle Salgado , Chen Li , Yaqi Han , Linchao Shi , Xinghui Li

Existing methods for unsupervised domain adaptation often rely on minimizing some statistical distance between the source and target samples in the latent space. To avoid the sampling variability, class imbalance, and data-privacy concerns…

机器学习 · 计算机科学 2021-10-26 Korawat Tanwisuth , Xinjie Fan , Huangjie Zheng , Shujian Zhang , Hao Zhang , Bo Chen , Mingyuan Zhou

The proliferation of misinformation, such as rumors on social media, has drawn significant attention, prompting various expressions of stance among users. Although rumor detection and stance detection are distinct tasks, they can complement…

计算与语言 · 计算机科学 2025-02-14 Ruichao Yang , Jing Ma , Wei Gao , Hongzhan Lin

With the continuing spread of misinformation and disinformation online, it is of increasing importance to develop combating mechanisms at scale in the form of automated systems that support multiple languages. One task of interest is claim…

计算与语言 · 计算机科学 2021-05-19 Tariq Alhindi , Amal Alabdulkarim , Ali Alshehri , Muhammad Abdul-Mageed , Preslav Nakov

This paper proposes a new methodology to study sequential corpora by implementing a two-stage algorithm that learns time-based topics with respect to a scale of document positions and introduces the concept of Topic Scaling which ranks…

信息检索 · 计算机科学 2021-04-05 Sami Diaf , Ulrich Fritsche

Target-based Stance Detection is the task of finding a stance toward a target. Twitter is one of the primary sources of political discussions in social media and one of the best resources to analyze Stance toward entities. This work…

计算与语言 · 计算机科学 2022-05-02 Mohammad Mehdi Jaziriyan , Ahmad Akbari , Hamed Karbasi

In the context of supervised statistical learning, it is typically assumed that the training set comes from the same distribution that draws the test samples. When this is not the case, the behavior of the learned model is unpredictable and…

机器学习 · 计算机科学 2022-05-12 Antonio-Javier Gallego , Jorge Calvo-Zaragoza , Robert B. Fisher

Domain adaptation (DA) aims to transfer knowledge from a label-rich source domain to a related but label-scarce target domain. The conventional DA strategy is to align the feature distributions of the two domains. Recently, increasing…

计算机视觉与模式识别 · 计算机科学 2022-03-08 Yixin Zhang , Junjie Li , Zilei Wang

Recent representation learning approaches enhance neural topic models by optimizing the weighted linear combination of the evidence lower bound (ELBO) of the log-likelihood and the contrastive learning objective that contrasts pairs of…

计算与语言 · 计算机科学 2025-07-15 Thong Nguyen , Xiaobao Wu , Xinshuai Dong , Cong-Duy T Nguyen , See-Kiong Ng , Anh Tuan Luu

In this paper, we propose a novel end-to-end unsupervised deep domain adaptation model for adaptive object detection by exploiting multi-label object recognition as a dual auxiliary task. The model exploits multi-label prediction to reveal…

计算机视觉与模式识别 · 计算机科学 2020-08-12 Zhen Zhao , Yuhong Guo , Haifeng Shen , Jieping Ye

Domain adaptation is to transfer the shared knowledge learned from the source domain to a new environment, i.e., target domain. One common practice is to train the model on both labeled source-domain data and unlabeled target-domain data.…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Zhedong Zheng , Yi Yang