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While Diffusion Models excel in text-to-image synthesis, they often suffer from concept omission when synthesizing complex multi-instance scenes. Existing training-free methods attempt to resolve this by rescaling attention maps, which…

Computer Vision and Pattern Recognition · Computer Science 2026-03-12 Zitong Wang , Zijun Shen , Haohao Xu , Zhengjie Luo , Weibin Wu

Continual learning aims to rapidly and continually learn the current task from a sequence of tasks. Compared to other kinds of methods, the methods based on experience replay have shown great advantages to overcome catastrophic forgetting.…

Machine Learning · Computer Science 2022-09-14 Ya-nan Han , Jian-wei Liu

Data augmentation has been widely used to improve deep neural networks in many research fields, such as computer vision. However, less work has been done in the context of text, partially due to its discrete nature and the complexity of…

Computation and Language · Computer Science 2021-01-12 Ping Yu , Ruiyi Zhang , Yang Zhao , Yizhe Zhang , Chunyuan Li , Changyou Chen

Data scarcity is one of the main obstacles of domain adaptation in spoken language understanding (SLU) due to the high cost of creating manually tagged SLU datasets. Recent works in neural text generative models, particularly latent…

Computation and Language · Computer Science 2018-11-07 Kang Min Yoo , Youhyun Shin , Sang-goo Lee

Recent advancements in image mixing and generative data augmentation have shown promise in enhancing image classification. However, these techniques face the challenge of balancing semantic fidelity with diversity. Specifically, image…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Ruoxin Chen , Zhe Wang , Ke-Yue Zhang , Shuang Wu , Jiamu Sun , Shouli Wang , Taiping Yao , Shouhong Ding

A trending paradigm for multiple-choice question answering (MCQA) is using a text-to-text framework. By unifying data in different tasks into a single text-to-text format, it trains a generative encoder-decoder model which is both powerful…

Computation and Language · Computer Science 2022-05-03 Zixian Huang , Ao Wu , Jiaying Zhou , Yu Gu , Yue Zhao , Gong Cheng

Existing approaches to dialogue state tracking rely on pre-defined ontologies consisting of a set of all possible slot types and values. Though such approaches exhibit promising performance on single-domain benchmarks, they suffer from…

Artificial Intelligence · Computer Science 2019-10-21 Liliang Ren , Jianmo Ni , Julian McAuley

Despite large successes of recent language models on diverse tasks, they suffer from severe performance degeneration in low-resource settings with limited training data available. Many existing works tackle this problem by generating…

Computation and Language · Computer Science 2024-02-22 Minju Seo , Jinheon Baek , James Thorne , Sung Ju Hwang

Deep neural networks (DNNs) often rely on massive labelled data for training, which is inaccessible in many applications. Data augmentation (DA) tackles data scarcity by creating new labelled data from available ones. Different DA methods…

Neural and Evolutionary Computing · Computer Science 2022-05-31 Binyan Hu , Yu Sun , A. K. Qin

Most previous methods for text data augmentation are limited to simple tasks and weak baselines. We explore data augmentation on hard tasks (i.e., few-shot natural language understanding) and strong baselines (i.e., pretrained models with…

Computation and Language · Computer Science 2022-03-16 Jing Zhou , Yanan Zheng , Jie Tang , Jian Li , Zhilin Yang

We show that a Modular Neural Network (MNN) can combine various speech enhancement modules, each of which is a Deep Neural Network (DNN) specialized on a particular enhancement job. Differently from an ordinary ensemble technique that…

Sound · Computer Science 2017-05-31 Minje Kim

Data augmentation is widely used to train deep learning models to address data scarcity. However, traditional data augmentation (TDA) typically relies on simple geometric transformation, such as random rotation and rescaling, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Dekai Zhu , Stefan Gavranovic , Flavien Boussuge , Benjamin Busam , Slobodan Ilic

Recent advances in commonsense reasoning depend on large-scale human-annotated training data to achieve peak performance. However, manual curation of training examples is expensive and has been shown to introduce annotation artifacts that…

Semiconductor manufacturing generates vast amounts of image data, crucial for defect identification and yield optimization, yet often exceeds manual inspection capabilities. Traditional clustering techniques struggle with high-dimensional,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-08 Janhavi Giri , Attila Lengyel , Don Kent , Edward Kibardin

Modern semantic parsers suffer from two principal limitations. First, training requires expensive collection of utterance-program pairs. Second, semantic parsers fail to generalize at test time to new compositions/structures that have not…

Computation and Language · Computer Science 2021-09-07 Inbar Oren , Jonathan Herzig , Jonathan Berant

Counterfactual Data Augmentation (CDA) has been one of the preferred techniques for mitigating gender bias in natural language models. CDA techniques have mostly employed word substitution based on dictionaries. Although such…

Computation and Language · Computer Science 2023-11-07 Ewoenam Kwaku Tokpo , Toon Calders

In this paper, we propose 2D-Attention (2DA), a generic attention formulation for sequence data, which acts as a complementary computation block that can detect and focus on relevant sources of information for the given learning objective.…

Machine Learning · Computer Science 2020-05-26 Dat Thanh Tran , Nikolaos Passalis , Anastasios Tefas , Moncef Gabbouj , Alexandros Iosifidis

This paper introduces DualReward, a novel reinforcement learning framework for automatic distractor generation in cloze tests. Unlike conventional approaches that rely primarily on supervised learning or static generative models, our method…

Computation and Language · Computer Science 2025-07-17 Tianyou Huang , Xinglu Chen , Jingshen Zhang , Xinying Qiu , Ruiying Niu

Spoken Language Understanding (SLU) converts user utterances into structured semantic representations. Data sparsity is one of the main obstacles of SLU due to the high cost of human annotation, especially when domain changes or a new…

Computation and Language · Computer Science 2019-08-29 Zijian Zhao , Su Zhu , Kai Yu

A huge number of multi-participant dialogues happen online every day, which leads to difficulty in understanding the nature of dialogue dynamics for both humans and machines. Dialogue disentanglement aims at separating an entangled dialogue…

Computation and Language · Computer Science 2023-02-17 Jingsheng Gao , Zeyu Li , Suncheng Xiang , Ting Liu , Yuzhuo Fu