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Conditional image generation is the task of generating diverse images using class label information. Although many conditional Generative Adversarial Networks (GAN) have shown realistic results, such methods consider pairwise relations…

Computer Vision and Pattern Recognition · Computer Science 2021-02-04 Minguk Kang , Jaesik Park

Dialogue intent classification aims to identify the underlying purpose or intent of a user's input in a conversation. Current intent classification systems encounter considerable challenges, primarily due to the vast number of possible…

Computation and Language · Computer Science 2024-12-23 Gyutae Park , Ingeol Baek , ByeongJeong Kim , Joongbo Shin , Hwanhee Lee

Few-shot Intent Detection is challenging due to the scarcity of available annotated utterances. Although recent works demonstrate that multi-level matching plays an important role in transferring learned knowledge from seen training classes…

Computation and Language · Computer Science 2020-10-13 Hoang Nguyen , Chenwei Zhang , Congying Xia , Philip S. Yu

Despite pre-trained language models have proven useful for learning high-quality semantic representations, these models are still vulnerable to simple perturbations. Recent works aimed to improve the robustness of pre-trained models mainly…

Computation and Language · Computer Science 2021-07-02 Dong Wang , Ning Ding , Piji Li , Hai-Tao Zheng

Few-shot learning (FSL) aims to learn new categories with a few visual samples per class. Few-shot class representations are often biased due to data scarcity. To mitigate this issue, we propose to generate visual samples based on semantic…

Computer Vision and Pattern Recognition · Computer Science 2022-05-09 Jingyi Xu , Hieu Le

Modern GANs excel at generating high quality and diverse images. However, when transferring the pretrained GANs on small target data (e.g., 10-shot), the generator tends to replicate the training samples. Several methods have been proposed…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Yunqing Zhao , Henghui Ding , Houjing Huang , Ngai-Man Cheung

This paper investigates the effectiveness of pre-training for few-shot intent classification. While existing paradigms commonly further pre-train language models such as BERT on a vast amount of unlabeled corpus, we find it highly effective…

Computation and Language · Computer Science 2024-09-17 Haode Zhang , Yuwei Zhang , Li-Ming Zhan , Jiaxin Chen , Guangyuan Shi , Albert Y. S. Lam , Xiao-Ming Wu

Conversation designers continue to face significant obstacles when creating production quality task-oriented dialogue systems. The complexity and cost involved in schema development and data collection is often a major barrier for such…

Computation and Language · Computer Science 2022-11-11 Makesh Narsimhan Sreedhar , Christopher Parisien

Despite the substantial progress in recent years, the image captioning techniques are still far from being perfect.Sentences produced by existing methods, e.g. those based on RNNs, are often overly rigid and lacking in variability. This…

Computer Vision and Pattern Recognition · Computer Science 2017-08-14 Bo Dai , Sanja Fidler , Raquel Urtasun , Dahua Lin

Conditional variational models, using either continuous or discrete latent variables, are powerful for open-domain dialogue response generation. However, previous works show that continuous latent variables tend to reduce the coherence of…

Computation and Language · Computer Science 2022-12-05 Bin Sun , Yitong Li , Fei Mi , Weichao Wang , Yiwei Li , Kan Li

Recent research has demonstrated the feasibility of training efficient intent detectors based on pre-trained language model~(PLM) with limited labeled data. However, deploying these detectors in resource-constrained environments such as…

Computation and Language · Computer Science 2024-09-17 Haode Zhang , Albert Y. S. Lam , Xiao-Ming Wu

Large-scale pre-trained language models have contributed significantly to natural language processing by demonstrating remarkable abilities as few-shot learners. However, their effectiveness depends mainly on scaling the model parameters…

Computation and Language · Computer Science 2023-01-26 Ningyu Zhang , Luoqiu Li , Xiang Chen , Shumin Deng , Zhen Bi , Chuanqi Tan , Fei Huang , Huajun Chen

Generative classifiers offer potential advantages over their discriminative counterparts, namely in the areas of data efficiency, robustness to data shift and adversarial examples, and zero-shot learning (Ng and Jordan,2002; Yogatama et…

Computation and Language · Computer Science 2019-10-02 Xiaoan Ding , Kevin Gimpel

Recent research considers few-shot intent detection as a meta-learning problem: the model is learning to learn from a consecutive set of small tasks named episodes. In this work, we propose ProtAugment, a meta-learning algorithm for short…

Computation and Language · Computer Science 2021-05-28 Thomas Dopierre , Christophe Gravier , Wilfried Logerais

Class imbalance occurs in many real-world applications, including image classification, where the number of images in each class differs significantly. With imbalanced data, the generative adversarial networks (GANs) leans to majority class…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 Yuchong Yao , Xiaohui Wangr , Yuanbang Ma , Han Fang , Jiaying Wei , Liyuan Chen , Ali Anaissi , Ali Braytee

To model diverse responses for a given post, one promising way is to introduce a latent variable into Seq2Seq models. The latent variable is supposed to capture the discourse-level information and encourage the informativeness of target…

Computation and Language · Computer Science 2020-09-28 Zhi Cui , Yanran Li , Jiayi Zhang , Jianwei Cui , Chen Wei , Bin Wang

Natural language understanding (NLU) and natural language generation (NLG) are two fundamental and related tasks in building task-oriented dialogue systems with opposite objectives: NLU tackles the transformation from natural language to…

Computation and Language · Computer Science 2020-06-16 Bo-Hsiang Tseng , Jianpeng Cheng , Yimai Fang , David Vandyke

We propose a fully-convolutional conditional generative model, the latent transformation neural network (LTNN), capable of view synthesis using a light-weight neural network suited for real-time applications. In contrast to existing…

Computer Vision and Pattern Recognition · Computer Science 2018-11-29 Sangpil Kim , Nick Winovich , Guang Lin , Karthik Ramani

Audio captioning aims at generating natural language descriptions for audio clips automatically. Existing audio captioning models have shown promising improvement in recent years. However, these models are mostly trained via maximum…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-30 Xinhao Mei , Xubo Liu , Jianyuan Sun , Mark D. Plumbley , Wenwu Wang

Goal-conditioned planning benefits from learned low-dimensional representations of rich observations. While compact latent representations typically learned from variational autoencoders or inverse dynamics enable goal-conditioned decision…