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Despite the ability to produce human-level speech for in-domain text, attention-based end-to-end text-to-speech (TTS) systems suffer from text alignment failures that increase in frequency for out-of-domain text. We show that these failures…

计算与语言 · 计算机科学 2020-04-24 Eric Battenberg , RJ Skerry-Ryan , Soroosh Mariooryad , Daisy Stanton , David Kao , Matt Shannon , Tom Bagby

We study multi-turn response generation in chatbots where a response is generated according to a conversation context. Existing work has modeled the hierarchy of the context, but does not pay enough attention to the fact that words and…

计算与语言 · 计算机科学 2017-01-26 Chen Xing , Wei Wu , Yu Wu , Ming Zhou , Yalou Huang , Wei-Ying Ma

The scale and quality of datasets are crucial for training robust perception models. However, obtaining large-scale annotated data is both costly and time-consuming. Generative models have emerged as a powerful tool for data augmentation by…

计算机视觉与模式识别 · 计算机科学 2025-10-20 Haowei Zhu , Tianxiang Pan , Rui Qin , Jun-Hai Yong , Bin Wang

The evolution of conversational agents has been driven by the need for more contextually aware systems that can effectively manage dialogue over extended interactions. To address the limitations of existing models in capturing and utilizing…

计算与语言 · 计算机科学 2025-04-15 Akanksha Mehndiratta , Krishna Asawa

Despite the remarkable capabilities of Large Vision Language Models (LVLMs), they still lack detailed knowledge about specific entities. Retrieval-augmented Generation (RAG) is a widely adopted solution that enhances LVLMs by providing…

计算与语言 · 计算机科学 2026-02-09 Jongha Kim , Byungoh Ko , Jeehye Na , Jinsung Yoon , Hyunwoo J. Kim

Squeeze-and-Excitation (SE) block presents a channel attention mechanism for modeling global context via explicitly capturing dependencies across channels. However, we are still far from understanding how the SE block works. In this work,…

机器学习 · 计算机科学 2019-11-26 Dongsheng Ruan , Jun Wen , Nenggan Zheng , Min Zheng

Transformer-based speech recognition models have achieved great success due to the self-attention (SA) mechanism that utilizes every frame in the feature extraction process. Especially, SA heads in lower layers capture various phonetic…

计算与语言 · 计算机科学 2022-07-13 Kyuhong Shim , Wonyong Sung

Transformer model has been widely used on machine translation tasks and obtained state-of-the-art results. In this paper, we report an interesting phenomenon in its encoder-decoder multi-head attention: different attention heads of the…

计算与语言 · 计算机科学 2019-11-22 Zewei Sun , Shujian Huang , Hao-Ran Wei , Xin-yu Dai , Jiajun Chen

Self-attention (SA), which encodes vector sequences according to their pairwise similarity, is widely used in speech recognition due to its strong context modeling ability. However, when applied to long sequence data, its accuracy is…

声音 · 计算机科学 2021-10-11 Chengdong Liang , Menglong Xu , Xiao-Lei Zhang

We introduce a new attention mechanism, dubbed structural self-attention (StructSA), that leverages rich correlation patterns naturally emerging in key-query interactions of attention. StructSA generates attention maps by recognizing…

计算机视觉与模式识别 · 计算机科学 2024-04-08 Manjin Kim , Paul Hongsuck Seo , Cordelia Schmid , Minsu Cho

Answer selection (answer ranking) is one of the key steps in many kinds of question answering (QA) applications, where deep models have achieved state-of-the-art performance. Among these deep models, recurrent neural network (RNN) based…

计算与语言 · 计算机科学 2019-05-28 Dong Xu , Jianhui Ji , Haikuan Huang , Hongbo Deng , Wu-Jun Li

Current high-resolution vision-language models encode images as high-resolution image tokens and exhaustively take all these tokens to compute attention, which significantly increases the computational cost. To address this problem, we…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Junyan Li , Delin Chen , Tianle Cai , Peihao Chen , Yining Hong , Zhenfang Chen , Yikang Shen , Chuang Gan

When humans describe a visual scene, they do not process the entire image uniformly; instead, they selectively fixate on regions relevant to their intended description. In contrast, current multimodal large language models (MLLMs) attend to…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Junha Song , Byeongho Heo , Geonmo Gu , Jaegul Choo , Dongyoon Han , Sangdoo Yun

Sarcasm is a linguistic expression often used to communicate the opposite of what is said, usually something that is very unpleasant with an intention to insult or ridicule. Inherent ambiguity in sarcastic expressions, make sarcasm…

计算与语言 · 计算机科学 2021-04-07 Ramya Akula , Ivan Garibay

Emotion recognition in conversations is essential for ensuring advanced human-machine interactions. However, creating robust and accurate emotion recognition systems in real life is challenging, mainly due to the scarcity of emotion…

计算与语言 · 计算机科学 2023-08-30 Théo Deschamps-Berger , Lori Lamel , Laurence Devillers

Existing point-cloud based 3D object detectors use convolution-like operators to process information in a local neighbourhood with fixed-weight kernels and aggregate global context hierarchically. However, non-local neural networks and…

计算机视觉与模式识别 · 计算机科学 2021-08-23 Prarthana Bhattacharyya , Chengjie Huang , Krzysztof Czarnecki

Multimodal Large Language Models (MLLMs) are increasingly deployed in real-world applications, yet their ability to make context-aware safety decisions remains limited. Existing methods often fail to balance oversensitivity (unjustified…

计算与语言 · 计算机科学 2025-09-24 Zheyuan Liu , Zhangchen Xu , Guangyao Dou , Xiangchi Yuan , Zhaoxuan Tan , Radha Poovendran , Meng Jiang

This paper studied generating natural languages at particular contexts or situations. We proposed two novel approaches which encode the contexts into a continuous semantic representation and then decode the semantic representation into text…

计算与语言 · 计算机科学 2016-12-01 Jian Tang , Yifan Yang , Sam Carton , Ming Zhang , Qiaozhu Mei

Effective conversational search demands a deep understanding of user intent across multiple dialogue turns. Users frequently use abbreviations and shift topics in the middle of conversations, posing challenges for conventional retrievers.…

信息检索 · 计算机科学 2025-09-25 Seunghan Yang , Juntae Lee , Jihwan Bang , Kyuhong Shim , Minsoo Kim , Simyung Chang

Modern causal language models, followed by rapid developments in discrete diffusion models, can now produce a wide variety of interesting and useful content. However, these families of models are predominantly trained to output tokens with…

计算与语言 · 计算机科学 2025-08-19 Long Ma , Fangwei Zhong , Yizhou Wang