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Sentence matching is widely used in various natural language tasks such as natural language inference, paraphrase identification, and question answering. For these tasks, understanding logical and semantic relationship between two sentences…

计算与语言 · 计算机科学 2018-11-05 Seonhoon Kim , Inho Kang , Nojun Kwak

Discourse parsing could not yet take full advantage of the neural NLP revolution, mostly due to the lack of annotated datasets. We propose a novel approach that uses distant supervision on an auxiliary task (sentiment classification), to…

计算与语言 · 计算机科学 2019-11-01 Patrick Huber , Giuseppe Carenini

Despite rapid advances in speech recognition, current models remain brittle to superficial perturbations to their inputs. Small amounts of noise can destroy the performance of an otherwise state-of-the-art model. To harden models against…

音频与语音处理 · 电气工程与系统科学 2018-07-19 Davis Liang , Zhiheng Huang , Zachary C. Lipton

In recent studies, self-supervised pre-trained models tend to outperform supervised pre-trained models in transfer learning. In particular, self-supervised learning (SSL) of utterance-level speech representation can be used in speech…

音频与语音处理 · 电气工程与系统科学 2022-08-11 Jaejin Cho , Jes'us Villalba , Laureano Moro-Velazquez , Najim Dehak

More and more end-to-end text spotting methods based on Transformer architecture have demonstrated superior performance. These methods utilize a bipartite graph matching algorithm to perform one-to-one optimal matching between predicted…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Yu Xie , Qian Qiao , Jun Gao , Tianxiang Wu , Jiaqing Fan , Yue Zhang , Jielei Zhang , Huyang Sun

The vast work in Deep Learning (DL) has led to a leap in image denoising research. Most DL solutions for this task have chosen to put their efforts on the denoiser's architecture while maximizing distortion performance. However, distortion…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Guy Ohayon , Theo Adrai , Gregory Vaksman , Michael Elad , Peyman Milanfar

The learning objective of vision-language approach of CLIP does not effectively account for the noisy many-to-many correspondences found in web-harvested image captioning datasets, which contributes to its compute and data inefficiency. To…

计算机视觉与模式识别 · 计算机科学 2022-04-12 Alex Andonian , Shixing Chen , Raffay Hamid

We introduce a simple neural encoder architecture that can be trained using an unsupervised contrastive learning objective which gets its positive samples from data-augmented k-Nearest Neighbors search. We show that when built on top of…

人工智能 · 计算机科学 2023-10-24 Robin Algayres , Adel Nabli , Benoit Sagot , Emmanuel Dupoux

In realistic speech enhancement settings for end-user devices, we often encounter only a few speakers and noise types that tend to reoccur in the specific acoustic environment. We propose a novel personalized speech enhancement method to…

音频与语音处理 · 电气工程与系统科学 2021-05-11 Sunwoo Kim , Minje Kim

Contrastive learning is among the most successful methods for visual representation learning, and its performance can be further improved by jointly performing clustering on the learned representations. However, existing methods for joint…

计算机视觉与模式识别 · 计算机科学 2022-09-16 Shunjie-Fabian Zheng , JaeEun Nam , Emilio Dorigatti , Bernd Bischl , Shekoofeh Azizi , Mina Rezaei

This paper addresses the limitations of large-scale language models in safety alignment and robustness by proposing a fine-tuning method that combines contrastive distillation with noise-robust training. The method freezes the backbone…

计算与语言 · 计算机科学 2025-11-03 Jiasen Zheng , Huajun Zhang , Xu Yan , Ran Hao , Chong Peng

Unsupervised extractive summarization aims to extract salient sentences from a document as the summary without labeled data. Recent literatures mostly research how to leverage sentence similarity to rank sentences in the order of salience.…

计算与语言 · 计算机科学 2023-02-27 Shichao Sun , Ruifeng Yuan , Wenjie Li , Sujian Li

Contrastive learning is emerging as a powerful technique for extracting knowledge from unlabeled data. This technique requires a balanced mixture of two ingredients: positive (similar) and negative (dissimilar) samples. This is typically…

计算与语言 · 计算机科学 2022-03-17 Rui Cao , Yihao Wang , Yuxin Liang , Ling Gao , Jie Zheng , Jie Ren , Zheng Wang

We present an end-to-end deep learning approach to denoising speech signals by processing the raw waveform directly. Given input audio containing speech corrupted by an additive background signal, the system aims to produce a processed…

音频与语音处理 · 电气工程与系统科学 2018-09-18 Francois G. Germain , Qifeng Chen , Vladlen Koltun

The goal of self-supervised learning (SSL) for automatic speech recognition (ASR) is to learn good speech representations from a large amount of unlabeled speech for the downstream ASR task. However, most SSL frameworks do not consider…

计算与语言 · 计算机科学 2022-01-27 Yiming Wang , Jinyu Li , Heming Wang , Yao Qian , Chengyi Wang , Yu Wu

Turn-level user satisfaction is one of the most important performance metrics for conversational agents. It can be used to monitor the agent's performance and provide insights about defective user experiences. Moreover, a powerful…

机器学习 · 计算机科学 2021-04-13 Mohammad Kachuee , Hao Yuan , Young-Bum Kim , Sungjin Lee

As natural language processing methods are increasingly deployed in real-world scenarios such as healthcare, legal systems, and social science, it becomes necessary to recognize the role they potentially play in shaping social biases and…

计算与语言 · 计算机科学 2020-07-17 Paul Pu Liang , Irene Mengze Li , Emily Zheng , Yao Chong Lim , Ruslan Salakhutdinov , Louis-Philippe Morency

Eliminating the negative effect of non-stationary environmental noise is a long-standing research topic for automatic speech recognition that stills remains an important challenge. Data-driven supervised approaches, including ones based on…

Distant supervision assumes that any sentence containing the same entity pairs reflects identical relationships. Previous works of distantly supervised relation extraction (DSRE) task generally focus on sentence-level or bag-level…

计算与语言 · 计算机科学 2022-03-03 Dongyang Li , Taolin Zhang , Nan Hu , Chengyu Wang , Xiaofeng He

Contrastive learning has proven to be an effective method for pre-training models using weakly labeled data in the vision domain. Sentence transformers are the NLP counterparts to this architecture, and have been growing in popularity due…

计算与语言 · 计算机科学 2023-11-30 Tanmay Chavan , Shantanu Patankar , Aditya Kane , Omkar Gokhale , Geetanjali Kale , Raviraj Joshi