Search Results for author: Chenyu Liu

Found 26 papers, 7 papers with code

Brain Foundation Models: A Survey on Advancements in Neural Signal Processing and Brain Discovery

no code implementations1 Mar 2025 Xinliang Zhou, Chenyu Liu, Zhisheng Chen, Kun Wang, Yi Ding, Ziyu Jia, Qingsong Wen

Brain foundation models (BFMs) have emerged as a transformative paradigm in computational neuroscience, offering a revolutionary framework for processing diverse neural signals across different brain-related tasks.

Survey

Col-OLHTR: A Novel Framework for Multimodal Online Handwritten Text Recognition

no code implementations10 Feb 2025 Chenyu Liu, Jinshui Hu, BaoCai Yin, Jia Pan, Bing Yin, Jun Du, Qingfeng Liu

Current approaches usually treat OLHTR as a sequence recognition task, employing either a single trajectory or image encoder, or multi-stream encoders, combined with a CTC or attention-based recognition decoder.

Decoder Handwritten Text Recognition

SelectiveFinetuning: Enhancing Transfer Learning in Sleep Staging through Selective Domain Alignment

no code implementations7 Jan 2025 Siyuan Zhao, Chenyu Liu, Yi Ding, Xinliang Zhou

By finetuning the model with selective source data, our SelectiveFinetuning enhances the model's performance on target domain that exhibits domain shifts compared to the data used for training.

EEG Sleep Staging +1

Towards Wireless-Native Big AI Model: Insights into Its Ambitions, Peculiarities and Methodologies

no code implementations12 Dec 2024 Zirui Chen, Zhaoyang Zhang, Chenyu Liu, Ziqing Xing

Researches on leveraging big artificial intelligence model (BAIM) technology to drive the intelligent evolution of wireless networks are emerging.

BiT-MamSleep: Bidirectional Temporal Mamba for EEG Sleep Staging

no code implementations3 Nov 2024 Xinliang Zhou, Yuzhe Han, Zhisheng Chen, Chenyu Liu, Yi Ding, Ziyu Jia, Yang Liu

In this paper, we address the challenges in automatic sleep stage classification, particularly the high computational cost, inadequate modeling of bidirectional temporal dependencies, and class imbalance issues faced by Transformer-based models.

Automatic Sleep Stage Classification Classification +4

DAWN: Dynamic Frame Avatar with Non-autoregressive Diffusion Framework for Talking Head Video Generation

1 code implementation17 Oct 2024 Hanbo Cheng, Limin Lin, Chenyu Liu, Pengcheng Xia, Pengfei Hu, Jiefeng Ma, Jun Du, Jia Pan

To address these challenges, we present DAWN (Dynamic frame Avatar With Non-autoregressive diffusion), a framework that enables all-at-once generation of dynamic-length video sequences.

Talking Head Generation Video Generation

See then Tell: Enhancing Key Information Extraction with Vision Grounding

no code implementations29 Sep 2024 Shuhang Liu, Zhenrong Zhang, Pengfei Hu, Jiefeng Ma, Jun Du, Qing Wang, Jianshu Zhang, Chenyu Liu

Positioned at the outset of the answer text, the <see> token allows the model to first see--observing the regions of the image related to the input question--and then tell--providing articulated textual responses.

Image to text Key Information Extraction +4

A Comprehensive Survey on EEG-Based Emotion Recognition: A Graph-Based Perspective

no code implementations12 Aug 2024 Chenyu Liu, Xinliang Zhou, Yihao Wu, Yi Ding, Liming Zhai, Kun Wang, Ziyu Jia, Yang Liu

In this paper, we present a comprehensive survey of these studies, delivering a systematic review of graph-related methods in this field from a methodological perspective.

EEG Emotion Recognition

NAMER: Non-Autoregressive Modeling for Handwritten Mathematical Expression Recognition

no code implementations16 Jul 2024 Chenyu Liu, Jia Pan, Jinshui Hu, BaoCai Yin, Bing Yin, Mingjun Chen, Cong Liu, Jun Du, Qingfeng Liu

Recently, Handwritten Mathematical Expression Recognition (HMER) has gained considerable attention in pattern recognition for its diverse applications in document understanding.

Decoder document understanding +1

SRFUND: A Multi-Granularity Hierarchical Structure Reconstruction Benchmark in Form Understanding

no code implementations13 Jun 2024 Jiefeng Ma, Yan Wang, Chenyu Liu, Jun Du, Yu Hu, Zhenrong Zhang, Pengfei Hu, Qing Wang, Jianshu Zhang

Accurately identifying and organizing textual content is crucial for the automation of document processing in the field of form understanding.

Form Relation Prediction

SEMv3: A Fast and Robust Approach to Table Separation Line Detection

1 code implementation20 May 2024 Chunxia Qin, Zhenrong Zhang, Pengfei Hu, Chenyu Liu, Jiefeng Ma, Jun Du

The `"split-and-merge" paradigm is a pivotal approach to parse table structure, where the table separation line detection is crucial.

Line Detection

EEG-Deformer: A Dense Convolutional Transformer for Brain-computer Interfaces

1 code implementation25 Apr 2024 Yi Ding, Yong Li, Hao Sun, Rui Liu, Chengxuan Tong, Chenyu Liu, Xinliang Zhou, Cuntai Guan

Effectively learning the temporal dynamics in electroencephalogram (EEG) signals is challenging yet essential for decoding brain activities using brain-computer interfaces (BCIs).

EEG

Graph Neural Networks in EEG-based Emotion Recognition: A Survey

no code implementations2 Feb 2024 Chenyu Liu, Xinliang Zhou, Yihao Wu, Ruizhi Yang, Zhongruo Wang, Liming Zhai, Ziyu Jia, Yang Liu

Besides, there is neither a comprehensive review nor guidance for constructing GNNs in EEG-based emotion recognition.

EEG Emotion Recognition +3

Hi-SAM: Marrying Segment Anything Model for Hierarchical Text Segmentation

1 code implementation31 Jan 2024 Maoyuan Ye, Jing Zhang, Juhua Liu, Chenyu Liu, BaoCai Yin, Cong Liu, Bo Du, DaCheng Tao

We use this TS model to iteratively generate the pixel-level text labels in a semi-automatical manner, unifying labels across the four text hierarchies in the HierText dataset.

Hierarchical Text Segmentation parameter-efficient fine-tuning +2

scBeacon: single-cell biomarker extraction via identifying paired cell clusters across biological conditions with contrastive siamese networks

no code implementations5 Nov 2023 Chenyu Liu, Yong Jin Kweon, Jun Ding

Despite the breakthroughs in biomarker discovery facilitated by differential gene analysis, challenges remain, particularly at the single-cell level.

Diagnostic

Multi-stream Cell Segmentation with Low-level Cues for Multi-modality Images

1 code implementation22 Oct 2023 Wei Lou, Xinyi Yu, Chenyu Liu, Xiang Wan, Guanbin Li, SiQi Liu, Haofeng Li

Afterward, we train a separate segmentation model for each category using the images in the corresponding category.

Cell Segmentation Segmentation

EENED: End-to-End Neural Epilepsy Detection based on Convolutional Transformer

no code implementations17 May 2023 Chenyu Liu, Xinliang Zhou, Yang Liu

Recently Transformer and Convolution neural network (CNN) based models have shown promising results in EEG signal processing.

EEG

EEG-based Sleep Staging with Hybrid Attention

no code implementations16 May 2023 Xinliang Zhou, Chenyu Liu, Jiaping Xiao, Yang Liu

Specifically, we propose a well-designed spatio-temporal attention mechanism to adaptively assign weights to inter-channels and intra-channel EEG segments based on the spatio-temporal relationship of the brain during different sleep stages.

EEG EEG based sleep staging +1

An EEG Channel Selection Framework for Driver Drowsiness Detection via Interpretability Guidance

no code implementations26 Apr 2023 Xinliang Zhou, Dan Lin, Ziyu Jia, Jiaping Xiao, Chenyu Liu, Liming Zhai, Yang Liu

However, the raw EEG data is inherently noisy and redundant, which is neglected by existing works that just use single-channel EEG data or full-head channel EEG data for model training, resulting in limited performance of driver drowsiness detection.

channel selection EEG

Interpretable and Robust AI in EEG Systems: A Survey

1 code implementation21 Apr 2023 Xinliang Zhou, Chenyu Liu, Zhongruo Wang, Liming Zhai, Ziyu Jia, Cuntai Guan, Yang Liu

In this paper, we present the first comprehensive survey and summarize the interpretable and robust AI techniques for EEG systems.

EEG Survey

Vision-Language Adaptive Mutual Decoder for OOV-STR

no code implementations2 Sep 2022 Jinshui Hu, Chenyu Liu, Qiandong Yan, Xuyang Zhu, Jiajia Wu, Jun Du, LiRong Dai

However, in real-world scenarios, out-of-vocabulary (OOV) words are of great importance and SOTA recognition models usually perform poorly on OOV settings.

Decoder Language Modeling +3

Brain Tumor Segmentation Network Using Attention-based Fusion and Spatial Relationship Constraint

no code implementations29 Oct 2020 Chenyu Liu, Wangbin Ding, Lei LI, Zhen Zhang, Chenhao Pei, Liqin Huang, Xiahai Zhuang

Considering that multi-modal MR images can reflect different tumor biological properties, we develop a novel multi-modal tumor segmentation network (MMTSN) to robustly segment brain tumors based on multi-modal MR images.

Brain Tumor Segmentation Tumor Segmentation

Multi-Modality Pathology Segmentation Framework: Application to Cardiac Magnetic Resonance Images

1 code implementation13 Aug 2020 Zhen Zhang, Chenyu Liu, Wangbin Ding, Sihan Wang, Chenhao Pei, Mingjing Yang, Liqin Huang

The PRSN is designed to segment pathological region based on the result of ASSN, in which a fusion block based on channel attention is proposed to better aggregate multi-modality information from multi-modality CMR images.

Denoising Segmentation

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