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We propose a learning-based method to recover normals, specularity, and roughness from a single diffuse image of a material, using microgeometry appearance as our primary cue. Previous methods that work on single images tend to produce…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Carlos Rodriguez-Pardo , Henar Dominguez-Elvira , David Pascual-Hernandez , Elena Garces

Unsupervised domain adaptation (UDA) deals with the problem of classifying unlabeled target domain data while labeled data is only available for a different source domain. Unfortunately, commonly used classification methods cannot fulfill…

Computer Vision and Pattern Recognition · Computer Science 2021-11-05 Tobias Ringwald , Rainer Stiefelhagen

We consider the situation in which a user has collected a small set of documents on a cohesive topic, and they want to retrieve additional documents on this topic from a large collection. Information Retrieval (IR) solutions treat the…

Computation and Language · Computer Science 2021-01-18 Alon Jacovi , Gang Niu , Yoav Goldberg , Masashi Sugiyama

Traditional machine learning assumes that training and test sets are derived from the same distribution; however, this assumption does not always hold in practical applications. This distribution disparity can lead to severe performance…

Machine Learning · Computer Science 2025-02-18 Ahmad Chaddad , Yihang Wu , Yuchen Jiang , Ahmed Bouridane , Christian Desrosiers

We present a novel multiple-source unsupervised model for text classification under domain shift. Our model exploits the update rates in document representations to dynamically integrate domain encoders. It also employs a probabilistic…

Computation and Language · Computer Science 2022-03-22 Payam Karisani

Domain transfer is a prevalent challenge in modern neural Information Retrieval (IR). To overcome this problem, previous research has utilized domain-specific manual annotations and synthetic data produced by consistency filtering to…

Information Retrieval · Computer Science 2023-08-08 Haoxiang Shi , Sumio Fujita , Tetsuya Sakai

Although domain shift has been well explored in many NLP applications, it still has received little attention in the domain of extractive text summarization. As a result, the model is under-utilizing the nature of the training data due to…

Computation and Language · Computer Science 2019-09-02 Danqing Wang , Pengfei Liu , Ming Zhong , Jie Fu , Xipeng Qiu , Xuanjing Huang

Universal Multi-source Domain Adaptation (UniMDA) transfers knowledge from multiple labeled source domains to an unlabeled target domain under domain shifts (different data distribution) and class shifts (unknown target classes). Existing…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Yuxiang Yang , Lu Wen , Yuanyuan Xu , Jiliu Zhou , Yan Wang

Multi-document summarization aims to obtain core information from a collection of documents written on the same topic. This paper proposes a new holistic framework for unsupervised multi-document extractive summarization. Our method…

Computation and Language · Computer Science 2023-09-11 Haopeng Zhang , Sangwoo Cho , Kaiqiang Song , Xiaoyang Wang , Hongwei Wang , Jiawei Zhang , Dong Yu

Domain adaptation deals with adapting classifiers trained on data from a source distribution, to work effectively on data from a target distribution. In this paper, we introduce the Nonlinear Embedding Transform (NET) for unsupervised…

Artificial Intelligence · Computer Science 2017-06-26 Hemanth Venkateswara , Shayok Chakraborty , Troy McDaniel , Sethuraman Panchanathan

Generating a text abstract from a set of documents remains a challenging task. The neural encoder-decoder framework has recently been exploited to summarize single documents, but its success can in part be attributed to the availability of…

Computation and Language · Computer Science 2018-08-29 Logan Lebanoff , Kaiqiang Song , Fei Liu

Learning to reject unknown samples (not present in the source classes) in the target domain is fairly important for unsupervised domain adaptation (UDA). There exist two typical UDA scenarios, i.e., open-set, and open-partial-set, and the…

Computer Vision and Pattern Recognition · Computer Science 2021-12-17 Jian Liang , Dapeng Hu , Jiashi Feng , Ran He

Unsupervised domain adaptation (UDA) aims to improve the prediction performance in the target domain under distribution shifts from the source domain. The key principle of UDA is to minimize the divergence between the source and the target…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 JoonHo Lee , Gyemin Lee

Unsupervised machine translation, which utilizes unpaired monolingual corpora as training data, has achieved comparable performance against supervised machine translation. However, it still suffers from data-scarce domains. To address this…

Computation and Language · Computer Science 2021-05-10 Cheonbok Park , Yunwon Tae , Taehee Kim , Soyoung Yang , Mohammad Azam Khan , Eunjeong Park , Jaegul Choo

Although named entity recognition (NER) helps us to extract domain-specific entities from text (e.g., artists in the music domain), it is costly to create a large amount of training data or a structured knowledge base to perform accurate…

Computation and Language · Computer Science 2023-06-07 Kosuke Nishida , Naoki Yoshinaga , Kyosuke Nishida

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…

Machine Learning · Computer Science 2021-10-26 Korawat Tanwisuth , Xinjie Fan , Huangjie Zheng , Shujian Zhang , Hao Zhang , Bo Chen , Mingyuan Zhou

Domain adaptation approaches seek to learn from a source domain and generalize it to an unseen target domain. At present, the state-of-the-art unsupervised domain adaptation approaches for subjective text classification problems leverage…

Machine Learning · Computer Science 2020-10-22 Jitin Krishnan , Hemant Purohit , Huzefa Rangwala

Most domain adaptation methods focus on single-source-single-target adaptation settings. Multi-target domain adaptation is a powerful extension in which a single classifier is learned for multiple unlabeled target domains. To build a…

Computer Vision and Pattern Recognition · Computer Science 2022-02-02 Sudipan Saha , Shan Zhao , Nasrullah Sheikh , Xiao Xiang Zhu

The performance of automatic speech recognition (ASR) systems typically degrades significantly when the training and test data domains are mismatched. In this paper, we show that self-training (ST) combined with an uncertainty-based…

Computation and Language · Computer Science 2021-02-17 Sameer Khurana , Niko Moritz , Takaaki Hori , Jonathan Le Roux

Domain adaptation has been well-studied in supervised neural machine translation (SNMT). However, it has not been well-studied for unsupervised neural machine translation (UNMT), although UNMT has recently achieved remarkable results in…

Computation and Language · Computer Science 2020-05-06 Haipeng Sun , Rui Wang , Kehai Chen , Masao Utiyama , Eiichiro Sumita , Tiejun Zhao , Chenhui Chu