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Attention-based seq2seq text-to-speech systems, especially those use self-attention networks (SAN), have achieved state-of-art performance. But an expressive corpus with rich prosody is still challenging to model as 1) prosodic aspects,…

音频与语音处理 · 电气工程与系统科学 2020-08-04 Fengyu Yang , Shan Yang , Qinghua Wu , Yujun Wang , Lei Xie

Continuous prompts have become widely adopted for augmenting performance across a wide range of natural language tasks. However, the underlying mechanism of this enhancement remains obscure. Previous studies rely on individual words for…

计算与语言 · 计算机科学 2024-12-06 Qian Chen , Dongyang Li , Xiaofeng He

For many new application domains for data-to-text generation, the main obstacle in training neural models consists of a lack of training data. While usually large numbers of instances are available on the data side, often only very few text…

计算与语言 · 计算机科学 2021-02-09 Ernie Chang , Xiaoyu Shen , Dawei Zhu , Vera Demberg , Hui Su

Despite recent advances in text-to-image (T2I) models, they often fail to faithfully render all elements of complex prompts, frequently omitting or misrepresenting specific objects and attributes. Test-time optimization has emerged as a…

Large pre-trained language models have recently been expanded and applied to programming language tasks with great success, often through further pre-training of a strictly-natural language model--where training sequences typically contain…

计算与语言 · 计算机科学 2024-02-13 Fenia Christopoulou , Guchun Zhang , Gerasimos Lampouras

Generic generation and manipulation of text is challenging and has limited success compared to recent deep generative modeling in visual domain. This paper aims at generating plausible natural language sentences, whose attributes are…

机器学习 · 计算机科学 2018-09-14 Zhiting Hu , Zichao Yang , Xiaodan Liang , Ruslan Salakhutdinov , Eric P. Xing

Recent advancements in large-scale generative models have enabled the creation of high-quality images and videos, but have also raised significant safety concerns regarding the generation of unsafe content. To mitigate this, concept erasure…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Viet Nguyen , Vishal M. Patel

Concept Erasure, which aims to prevent pretrained text-to-image models from generating content associated with semantic-harmful concepts (i.e., target concepts), is getting increased attention. State-of-the-art methods formulate this task…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Hongxu Chen , Zhen Wang , Taoran Mei , Lin Li , Bowei Zhu , Runshi Li , Long Chen

Text-to-video (T2V) generation has gained significant attention recently. However, the costs of training a T2V model from scratch remain persistently high, and there is considerable room for improving the generation performance, especially…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Zhefan Rao , Liya Ji , Yazhou Xing , Runtao Liu , Zhaoyang Liu , Jiaxin Xie , Ziqiao Peng , Yingqing He , Qifeng Chen

Sequence-to-Sequence (S2S) models have achieved remarkable success on various text generation tasks. However, learning complex structures with S2S models remains challenging as external neural modules and additional lexicons are often…

计算与语言 · 计算机科学 2023-02-07 Han He , Jinho D. Choi

Generative seq2seq dialogue systems are trained to predict the next word in dialogues that have already occurred. They can learn from large unlabeled conversation datasets, build a deeper understanding of conversational context, and…

计算与语言 · 计算机科学 2019-11-21 Sam Shleifer , Manish Chablani , Anitha Kannan , Namit Katariya , Xavier Amatriain

Recent advance in text-to-image diffusion models have significantly facilitated the generation of high-quality images, but also raising concerns about the illegal creation of harmful content, such as copyrighted images. Existing concept…

计算机视觉与模式识别 · 计算机科学 2025-01-06 Zihao Wang , Yuxiang Wei , Fan Li , Renjing Pei , Hang Xu , Wangmeng Zuo

Recent approaches to data-to-text generation have shown great promise thanks to the use of large-scale datasets and the application of neural network architectures which are trained end-to-end. These models rely on representation learning…

计算与语言 · 计算机科学 2019-06-10 Ratish Puduppully , Li Dong , Mirella Lapata

Sequence-to-sequence (seq2seq) learning is a popular fashion for large-scale pretraining language models. However, the prior seq2seq pretraining models generally focus on reconstructive objectives on the decoder side and neglect the effect…

计算与语言 · 计算机科学 2024-01-10 Qihuang Zhong , Liang Ding , Juhua Liu , Bo Du , Dacheng Tao

Dense retrieval requires high-quality text sequence embeddings to support effective search in the representation space. Autoencoder-based language models are appealing in dense retrieval as they train the encoder to output high-quality…

机器学习 · 计算机科学 2021-09-17 Shuqi Lu , Di He , Chenyan Xiong , Guolin Ke , Waleed Malik , Zhicheng Dou , Paul Bennett , Tieyan Liu , Arnold Overwijk

The sequence-to-sequence (seq2seq) task aims at generating the target sequence based on the given input source sequence. Traditionally, most of the seq2seq task is resolved by the Encoder-Decoder framework which requires an encoder to…

计算与语言 · 计算机科学 2023-04-11 Zihao Fu , Wai Lam , Qian Yu , Anthony Man-Cho So , Shengding Hu , Zhiyuan Liu , Nigel Collier

Text-to-image generative models can produce photo-realistic images for an extremely broad range of concepts, and their usage has proliferated widely among the general public. On the flip side, these models have numerous drawbacks, including…

机器学习 · 计算机科学 2023-10-10 Minh Pham , Kelly O. Marshall , Niv Cohen , Govind Mittal , Chinmay Hegde

Concept erasure techniques for text-to-video (T2V) diffusion models report substantial suppression of sensitive content, yet current evaluation is limited to checking whether the target concept is absent from generated frames, treating…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Yiwei Xie , Zheng Zhang , Ping Liu

Recent neural models have shown significant progress on the problem of generating short descriptive texts conditioned on a small number of database records. In this work, we suggest a slightly more difficult data-to-text generation task,…

计算与语言 · 计算机科学 2017-07-26 Sam Wiseman , Stuart M. Shieber , Alexander M. Rush

Diffusion models (DMs) have achieved significant progress in text-to-image generation. However, the inevitable inclusion of sensitive information during pre-training poses safety risks, such as unsafe content generation and copyright…

计算机视觉与模式识别 · 计算机科学 2025-06-12 Hongguang Zhu , Yunchao Wei , Mengyu Wang , Siyu Jiao , Yan Fang , Jiannan Huang , Yao Zhao