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Negative transfer in training of acoustic models for automatic speech recognition has been reported in several contexts such as domain change or speaker characteristics. This paper proposes a novel technique to overcome negative transfer by…

机器学习 · 计算机科学 2015-09-18 Mortaza Doulaty , Oscar Saz , Thomas Hain

Human visual preferences are inherently multi-dimensional, encompassing aesthetics, detail fidelity, and semantic alignment. However, existing datasets provide only single, holistic annotations, resulting in severe label noise: images that…

计算机视觉与模式识别 · 计算机科学 2026-04-29 Xinxin Liu , Ming Li , Zonglin Lyu , Yuzhang Shang , Chen Chen

Unsupervised domain adaptation (UDA) for semantic segmentation aims to adapt a segmentation model trained on the labeled source domain to the unlabeled target domain. Existing methods try to learn domain invariant features while suffering…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Li Gao , Jing Zhang , Lefei Zhang , Dacheng Tao

Multi-talker conversational speech processing has drawn many interests for various applications such as meeting transcription. Speech separation is often required to handle overlapped speech that is commonly observed in conversation.…

音频与语音处理 · 电气工程与系统科学 2021-11-18 Wangyou Zhang , Zhuo Chen , Naoyuki Kanda , Shujie Liu , Jinyu Li , Sefik Emre Eskimez , Takuya Yoshioka , Xiong Xiao , Zhong Meng , Yanmin Qian , Furu Wei

Label noise is a pervasive problem in deep learning that often compromises the generalization performance of trained models. Recently, leveraging privileged information (PI) -- information available only during training but not at test time…

机器学习 · 计算机科学 2024-05-29 Ke Wang , Guillermo Ortiz-Jimenez , Rodolphe Jenatton , Mark Collier , Efi Kokiopoulou , Pascal Frossard

Large language models (LLMs) are commonly trained on multi-domain datasets, where domain sampling strategies significantly impact model performance due to varying domain importance across downstream tasks. Existing approaches for optimizing…

计算与语言 · 计算机科学 2025-08-25 Weijie Shi , Jipeng Zhang , Yaguang Wu , Jingzhi Fang , Ruiyuan Zhang , Jiajie Xu , Jia Zhu , Hao Chen , Yao Zhao , Sirui Han , Xiaofang Zhou

As a prominent challenge in addressing real-world issues within a dynamic environment, label shift, which refers to the learning setting where the source (training) and target (testing) label distributions do not match, has recently…

机器学习 · 计算机科学 2024-11-06 Ruidong Fan , Xiao Ouyang , Hong Tao , Yuhua Qian , Chenping Hou

Many recent works on deep speaker embeddings train their feature extraction networks on large classification tasks, distinguishing between all speakers in a training set. Empirically, this has been shown to produce speaker-discriminative…

声音 · 计算机科学 2020-02-04 Chau Luu , Peter Bell , Steve Renals

Recent deep networks achieved state of the art performance on a variety of semantic segmentation tasks. Despite such progress, these models often face challenges in real world `wild tasks' where large difference between labeled…

计算机视觉与模式识别 · 计算机科学 2018-10-26 Yang Zou , Zhiding Yu , B. V. K. Vijaya Kumar , Jinsong Wang

We study the problem of dataset distillation - creating a small set of synthetic examples capable of training a good model. In particular, we study the problem of label distillation - creating synthetic labels for a small set of real…

机器学习 · 计算机科学 2020-12-15 Ondrej Bohdal , Yongxin Yang , Timothy Hospedales

Domain adaptive semantic segmentation aims to learn a model with the supervision of source domain data, and produce satisfactory dense predictions on unlabeled target domain. One popular solution to this challenging task is self-training,…

计算机视觉与模式识别 · 计算机科学 2022-03-21 Ruihuang Li , Shuai Li , Chenhang He , Yabin Zhang , Xu Jia , Lei Zhang

This paper presents a novel method for embedding transfer, a task of transferring knowledge of a learned embedding model to another. Our method exploits pairwise similarities between samples in the source embedding space as the knowledge,…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Sungyeon Kim , Dongwon Kim , Minsu Cho , Suha Kwak

In real-world applications, machine learning models face online label shift, where label distributions change over time. Effective adaptation requires careful learning rate selection: too low slows adaptation and too high causes…

机器学习 · 计算机科学 2025-08-20 Heewon Park , Mugon Joe , Miru Kim , Minhae Kwon

Distantly Supervised Named Entity Recognition (DS-NER) has attracted attention due to its scalability and ability to automatically generate labeled data. However, distant annotation introduces many mislabeled instances, limiting its…

计算与语言 · 计算机科学 2025-04-08 Qi Zhang , Huitong Pan , Zhijia Chen , Longin Jan Latecki , Cornelia Caragea , Eduard Dragut

Automatic speaker verification task has made great achievements using deep learning approaches with the large-scale manually annotated dataset. However, it's very difficult and expensive to collect a large amount of well-labeled data for…

声音 · 计算机科学 2023-04-13 Bing Han , Zhengyang Chen , Yanmin Qian

Domain shifts are ubiquitous in machine learning, and can substantially degrade a model's performance when deployed to real-world data. To address this, distribution alignment methods aim to learn feature representations which are invariant…

机器学习 · 计算机科学 2024-10-08 Andrea Napoli , Paul White

We introduce a novel approach for batch selection in Stochastic Gradient Descent (SGD) training, leveraging combinatorial bandit algorithms. Our methodology focuses on optimizing the learning process in the presence of label noise, a…

机器学习 · 计算机科学 2023-11-02 Michal Lisicki , Mihai Nica , Graham W. Taylor

Self-supervised learning approaches for unsupervised domain adaptation (UDA) of semantic segmentation models suffer from challenges of predicting and selecting reasonable good quality pseudo labels. In this paper, we propose a novel…

计算机视觉与模式识别 · 计算机科学 2020-07-30 M. Naseer Subhani , Mohsen Ali

Domain adaptation tackles the challenge of generalizing knowledge acquired from a source domain to a target domain with different data distributions. Traditional domain adaptation methods presume that the classes in the source and target…

计算机视觉与模式识别 · 计算机科学 2023-03-22 Xinghong Liu , Yi Zhou , Tao Zhou , Jie Qin , Shengcai Liao

This paper introduces two novel modifications to the Dynamic sAmpling Policy Optimization (DAPO) algorithm [1], approached from a mixed-policy perspective. Standard policy gradient methods can suffer from instability and sample…

机器学习 · 计算机科学 2025-08-20 Hongze Tan , Yuchen Li