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相关论文: Enriching Complex Networks with Word Embeddings fo…

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We present a novel online algorithm that learns the essence of each dimension in word embeddings by minimizing the within-group distance of contextualized embedding groups. Three state-of-the-art neural-based language models are used,…

计算与语言 · 计算机科学 2020-05-26 Xinyi Jiang , Zhengzhe Yang , Jinho D. Choi

ElectrodeNet, a deep learning based sound coding strategy for the cochlear implant (CI), is proposed to emulate the advanced combination encoder (ACE) strategy by replacing the conventional envelope detection using various artificial neural…

音频与语音处理 · 电气工程与系统科学 2023-05-29 Enoch Hsin-Ho Huang , Rong Chao , Yu Tsao , Chao-Min Wu

This study examines the effectiveness of traditional machine learning classifiers versus deep learning models for detecting the imagined speech using electroencephalogram data. Specifically, we evaluated conventional machine learning…

机器学习 · 计算机科学 2024-12-18 Byung-Kwan Ko , Jun-Young Kim , Seo-Hyun Lee

Complex Word Identification (CWI) is a task centered on detecting hard-to-understand words, or groups of words, in texts from different areas of expertise. The purpose of CWI is to highlight problematic structures that non-native speakers…

计算与语言 · 计算机科学 2020-10-05 George-Eduard Zaharia , Dumitru-Clementin Cercel , Mihai Dascalu

Neural contextual biasing effectively improves automatic speech recognition (ASR) for crucial phrases within a speaker's context, particularly those that are infrequent in the training data. This work proposes contextual text injection…

计算与语言 · 计算机科学 2024-06-12 Zhong Meng , Zelin Wu , Rohit Prabhavalkar , Cal Peyser , Weiran Wang , Nanxin Chen , Tara N. Sainath , Bhuvana Ramabhadran

This paper presents an improved deep embedding learning method based on convolutional neural network (CNN) for text-independent speaker verification. Two improvements are proposed for x-vector embedding learning: (1) Multi-scale convolution…

音频与语音处理 · 电气工程与系统科学 2020-01-15 Bin Gu , Wu Guo

The human brain can be conceptualized as a dynamical system. Utilizing resting state fMRI time series imaging, we can study the underlying dynamics at ear-marked Regions of Interest (ROIs) to understand structure or lack thereof. This…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Ninad Aithal , Chakka Sai Pradeep , Neelam Sinha

Character-based neural models have recently proven very useful for many NLP tasks. However, there is a gap of sophistication between methods for learning representations of sentences and words. While most character models for learning…

计算与语言 · 计算机科学 2018-10-31 Yingwei Xin , Ethan Hart , Vibhuti Mahajan , Jean-David Ruvini

The bag-of-words model is a standard representation of text for many linear classifier learners. In many problem domains, linear classifiers are preferred over more complex models due to their efficiency, robustness and interpretability,…

计算与语言 · 计算机科学 2017-09-19 Bradford Heap , Michael Bain , Wayne Wobcke , Alfred Krzywicki , Susanne Schmeidl

Cognitive impairment detection through spontaneous speech is a promising avenue for early diagnosis of Alzheimer's disease (AD) and mild cognitive impairment (MCI), where timely intervention can significantly improve patient outcomes. The…

声音 · 计算机科学 2025-02-19 Yifan Gao , Long Guo , Hong Liu

Recent years, the approaches based on neural networks have shown remarkable potential for sentence modeling. There are two main neural network structures: recurrent neural network (RNN) and convolution neural network (CNN). RNN can capture…

计算与语言 · 计算机科学 2020-06-30 Zhenyu Liu , Haiwei Huang , Chaohong Lu , Shengfei Lyu

Massive multiple-input multiple-output (MIMO) technology is a key enabler of modern wireless communication systems, which demand accurate downlink channel state information (CSI) for optimal performance. Although deep learning (DL) has…

信号处理 · 电气工程与系统科学 2025-05-14 Ruonan Ren , Jianhua Mo , Meixia Tao

Early prediction of Mild Cognitive Impairment (MCI) conversion is hampered by a trade-off between immediacy--making fast predictions from a single baseline sMRI--and accuracy--leveraging longitudinal scans to capture disease progression. We…

机器学习 · 计算机科学 2025-06-09 Zhihao Tang , Chaozhuo Li , Litian Zhang , Xi Zhang

Alzheimer's disease and related dementias (ADRD) affect one in five adults over 60, yet more than half of individuals with cognitive decline remain undiagnosed. Speech-based assessments show promise for early detection, as phonetic motor…

Identifying the named entities mentioned in text would enrich many semantic applications at the downstream level. However, due to the predominant usage of colloquial language in microblogs, the named entity recognition (NER) in Chinese…

计算与语言 · 计算机科学 2019-08-29 Canwen Xu , Feiyang Wang , Jialong Han , Chenliang Li

Mild Cognitive Impairment (MCI) serves as a prodromal stage of Alzheimer's Disease (AD), where early identification and intervention can effectively slow the progression to dementia. However, diagnosing AD remains a significant challenge in…

人工智能 · 计算机科学 2025-11-07 Yutao Jin , Haowen Xiao , Junyong Zhai , Yuxiao Li , Jielei Chu , Fengmao Lv , Yuxiao Li

Dynamic functional connectivity (dFC) using resting-state functional magnetic resonance imaging (rs-fMRI) is an advanced technique for capturing the dynamic changes of neural activities, and can be very useful in the studies of brain…

图像与视频处理 · 电气工程与系统科学 2025-01-29 Jing Zhang , Yanjun Lyu , Xiaowei Yu , Lu Zhang , Chao Cao , Tong Chen , Minheng Chen , Yan Zhuang , Tianming Liu , Dajiang Zhu

Alzheimer's disease is a progressive neurodegenerative disorder that primarily affects cognitive functions such as memory, thinking, and behavior. In this disease, there is a critical phase, mild cognitive impairment, that is really…

信号处理 · 电气工程与系统科学 2024-04-02 Arezoo Borji , Taha-Hossein Hejazi , Abbas Seifi

Mild cognitive impairment (MCI) leading to dementia results in a constellation of psychiatric disorders including depression, mood disorders, schizophrenia and others. With increasing age, mild cognitive impairment leads to increased…

神经元与认知 · 定量生物学 2023-08-10 Sheng Mai

One way to extract patterns from clinical records is to consider each patient record as a bag with various number of instances in the form of symptoms. Medical diagnosis is to discover informative ones first and then map them to one or more…

机器学习 · 计算机科学 2019-04-10 Zeyuan Wang , Josiah Poon , Shiding Sun , Simon Poon