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Automated discourse analysis tools based on Natural Language Processing (NLP) aiming at the diagnosis of language-impairing dementias generally extract several textual metrics of narrative transcripts. However, the absence of sentence…

计算与语言 · 计算机科学 2017-08-17 Marcos Vinícius Treviso , Christopher Shulby , Sandra Maria Aluísio

Emerging large-scale text-to-image generative models, e.g., Stable Diffusion (SD), have exhibited overwhelming results with high fidelity. Despite the magnificent progress, current state-of-the-art models still struggle to generate images…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Yumeng Li , Margret Keuper , Dan Zhang , Anna Khoreva

Sub-word segmentation is an essential pre-processing step for Neural Machine Translation (NMT). Existing work has shown that neural sub-word segmenters are better than Byte-Pair Encoding (BPE), however, they are inefficient as they require…

计算与语言 · 计算机科学 2023-08-01 Haiyue Song , Raj Dabre , Chenhui Chu , Sadao Kurohashi , Eiichiro Sumita

Semantic segmentation based on sparse annotation has advanced in recent years. It labels only part of each object in the image, leaving the remainder unlabeled. Most of the existing approaches are time-consuming and often necessitate a…

计算机视觉与模式识别 · 计算机科学 2023-02-28 Hui Su , Yue Ye , Wei Hua , Lechao Cheng , Mingli Song

The combination of Transformer-based encoders with contrastive learning represents the current mainstream paradigm for sentence representation learning. This paradigm is typically based on the hidden states of the last Transformer block of…

计算与语言 · 计算机科学 2025-08-26 Jianxiang Zang , Nijia Mo , Yonda Wei , Meiling Ning , Hui Liu

Most pretrained language models rely on subword tokenization, which processes text as a sequence of subword tokens. However, different granularities of text, such as characters, subwords, and words, can contain different kinds of…

计算与语言 · 计算机科学 2024-04-09 Yilin Wang , Xinyi Hu , Matthew R. Gormley

Semi-weakly supervised semantic segmentation (SWSSS) aims to train a model to identify objects in images based on a small number of images with pixel-level labels, and many more images with only image-level labels. Most existing SWSSS…

计算机视觉与模式识别 · 计算机科学 2022-05-04 Wonho Bae , Junhyug Noh , Milad Jalali Asadabadi , Danica J. Sutherland

Subword segmentation is typically applied in preprocessing and stays fixed during training. Alternatively, it can be learned during training to optimise the training objective. In this paper we study the learning dynamics of subword…

计算与语言 · 计算机科学 2025-11-20 Francois Meyer , Jan Buys

Data-driven subword segmentation has become the default strategy for open-vocabulary machine translation and other NLP tasks, but may not be sufficiently generic for optimal learning of non-concatenative morphology. We design a test suite…

计算与语言 · 计算机科学 2021-09-03 Chantal Amrhein , Rico Sennrich

Semantic segmentation has made significant strides in pixel-level image understanding, yet it remains limited in capturing contextual and semantic relationships between objects. Current models, such as CNN and Transformer-based…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Ben Rahman

Recent neural supervised topic segmentation models achieve distinguished superior effectiveness over unsupervised methods, with the availability of large-scale training corpora sampled from Wikipedia. These models may, however, suffer from…

计算与语言 · 计算机科学 2022-09-20 Linzi Xing , Patrick Huber , Giuseppe Carenini

Understanding human language is one of the key themes of artificial intelligence. For language representation, the capacity of effectively modeling the linguistic knowledge from the detail-riddled and lengthy texts and getting rid of the…

计算与语言 · 计算机科学 2021-01-08 Zhuosheng Zhang , Yuwei Wu , Junru Zhou , Sufeng Duan , Hai Zhao , Rui Wang

Semantic segmentation is a core computer vision problem, but the high costs of data annotation have hindered its wide application. Weakly-Supervised Semantic Segmentation (WSSS) offers a cost-efficient workaround to extensive labeling in…

计算机视觉与模式识别 · 计算机科学 2024-05-13 Elham Ravanbakhsh , Cheng Niu , Yongqing Liang , J. Ramanujam , Xin Li

Most existing word embedding methods can be categorized into Neural Embedding Models and Matrix Factorization (MF)-based methods. However some models are opaque to probabilistic interpretation, and MF-based methods, typically solved using…

计算与语言 · 计算机科学 2015-08-18 Shaohua Li , Jun Zhu , Chunyan Miao

Subword segmenters like BPE operate as a preprocessing step in neural machine translation and other (conditional) language models. They are applied to datasets before training, so translation or text generation quality relies on the quality…

计算与语言 · 计算机科学 2023-05-12 Francois Meyer , Jan Buys

In this paper, we propose an unsupervised kNN-based approach for word segmentation in speech utterances. Our method relies on self-supervised pre-trained speech representations, and compares each audio segment of a given utterance to its K…

声音 · 计算机科学 2022-04-28 Tzeviya Sylvia Fuchs , Yedid Hoshen , Joseph Keshet

Sequence labeling (SL) is a fundamental research problem encompassing a variety of tasks, e.g., part-of-speech (POS) tagging, named entity recognition (NER), text chunking, etc. Though prevalent and effective in many downstream applications…

计算与语言 · 计算机科学 2020-11-16 Zhiyong He , Zanbo Wang , Wei Wei , Shanshan Feng , Xianling Mao , Sheng Jiang

The performance of the Chinese Word Segmentation (CWS) systems has gradually reached a plateau with the rapid development of deep neural networks, especially the successful use of large pre-trained models. In this paper, we take stock of…

计算与语言 · 计算机科学 2020-12-10 Jinlan Fu , Pengfei Liu , Qi Zhang , Xuanjing Huang

For machine reading comprehension, the capacity of effectively modeling the linguistic knowledge from the detail-riddled and lengthy passages and getting ride of the noises is essential to improve its performance. Traditional attentive…

计算与语言 · 计算机科学 2019-11-21 Zhuosheng Zhang , Yuwei Wu , Junru Zhou , Sufeng Duan , Hai Zhao , Rui Wang

In this paper, we present the Semantic Boundary Conditioned Backbone (SBCB) framework, a simple yet effective training framework that is model-agnostic and boosts segmentation performance, especially around the boundaries. Motivated by the…

计算机视觉与模式识别 · 计算机科学 2023-04-20 Haruya Ishikawa , Yoshimitsu Aoki