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Medical image segmentation is essential for clinical diagnosis and treatment planning. Although transformer-based methods have achieved remarkable results, their high computational cost hinders clinical deployment. To address this issue, we…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Yaxuan Jiao , Qing Xu , Yuxiang Luo , Xiangjian He , Zhen Chen , Wenting Duan

Recently, transformer-based techniques incorporating superpoints have become prevalent in 3D instance segmentation. However, they often encounter an over-segmentation problem, especially noticeable with large objects. Additionally,…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Duc Dang Trung Tran , Byeongkeun Kang , Yeejin Lee

Steering, or direct manipulation of internal activations to guide LLM responses toward specific semantic concepts, is emerging as a promising avenue for both understanding how semantic concepts are stored within LLMs and advancing LLM…

机器学习 · 计算机科学 2026-02-03 Parmida Davarmanesh , Ashia Wilson , Adityanarayanan Radhakrishnan

Sequential Recommender Systems (SRS) aim to predict users' next interaction based on their historical behaviors, while still facing the challenge of data sparsity. With the rapid advancement of Multimodal Large Language Models (MLLMs),…

信息检索 · 计算机科学 2026-02-17 Mingyao Huang , Qidong Liu , Wenxuan Yang , Moranxin Wang , Yuqi Sun , Haiping Zhu , Feng Tian , Yan Chen

Multi-modal object Re-Identification (ReID) aims to exploit complementary information from different modalities to retrieve specific objects. However, existing methods often rely on hard token filtering or simple fusion strategies, which…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Xingguo Xu , Zhanyu Liu , Weixiang Zhou , Yuansheng Gao , Junjie Cao , Yuhao Wang , Jixiang Luo , Dell Zhang

Correctly perceiving micro-expression is difficult since micro-expression is an involuntary, repressed, and subtle facial expression, and efficiently revealing the subtle movement changes and capturing the significant segments in a…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Jiateng Liu , Wenming Zheng , Yuan Zong

Attention-based sequence-to-sequence models have shown promising results in automatic speech recognition. Using these architectures, one-dimensional input and output sequences are related by an attention approach, thereby replacing more…

计算与语言 · 计算机科学 2019-11-21 Parnia Bahar , Albert Zeyer , Ralf Schlüter , Hermann Ney

Span-based joint extraction simultaneously conducts named entity recognition (NER) and relation extraction (RE) in text span form. Recent studies have shown that token labels can convey crucial task-specific information and enrich token…

计算与语言 · 计算机科学 2022-07-19 Bin Ji , Shasha Li , Jie Yu , Jun Ma , Huijun Liu

3D visual grounding aims to locate the referred target object in 3D point cloud scenes according to a free-form language description. Previous methods mostly follow a two-stage paradigm, i.e., language-irrelevant detection and cross-modal…

计算机视觉与模式识别 · 计算机科学 2023-10-13 Junyu Luo , Jiahui Fu , Xianghao Kong , Chen Gao , Haibing Ren , Hao Shen , Huaxia Xia , Si Liu

Thanks to its precise spatial referencing, 3D point cloud visual grounding is essential for deep understanding and dynamic interaction in 3D environments, encompassing 3D Referring Expression Comprehension (3DREC) and Segmentation (3DRES).…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Haojia Lin , Yongdong Luo , Xiawu Zheng , Lijiang Li , Fei Chao , Taisong Jin , Donghao Luo , Yan Wang , Liujuan Cao , Rongrong Ji

DETR-based methods, which use multi-layer transformer decoders to refine object queries iteratively, have shown promising performance in 3D indoor object detection. However, the scene point features in the transformer decoder remain fixed,…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Chuxin Wang , Wenfei Yang , Xiang Liu , Tianzhu Zhang

3D Referring Expression Segmentation (3D-RES) typically requires extensive instance-level annotations, which are time-consuming and costly. Semi-supervised learning (SSL) mitigates this by using limited labeled data alongside abundant…

计算机视觉与模式识别 · 计算机科学 2025-04-18 Wenxin Chen , Mengxue Qu , Weitai Kang , Yan Yan , Yao Zhao , Yunchao Wei

Speech-to-text translation (ST), which translates source language speech into target language text, has attracted intensive attention in recent years. Compared to the traditional pipeline system, the end-to-end ST model has potential…

计算与语言 · 计算机科学 2019-12-17 Yuchen Liu , Jiajun Zhang , Hao Xiong , Long Zhou , Zhongjun He , Hua Wu , Haifeng Wang , Chengqing Zong

Current 3D visual grounding tasks only process sentence level detection or segmentation, which critically fails to leverage the rich compositional contextual reasonings within natural language expressions. To address this challenge, we…

计算机视觉与模式识别 · 计算机科学 2026-03-04 Qi Chen , Changli Wu , Jiayi Ji , Yiwei Ma , Liujuan Cao

Reference Expression Segmentation (RES) aims to segment image regions specified by referring expressions and has become popular with the rise of multimodal large models (MLLMs). While MLLMs excel in semantic understanding, their…

计算机视觉与模式识别 · 计算机科学 2025-08-20 Jingchao Wang , Zhijian Wu , Dingjiang Huang , Yefeng Zheng , Hong Wang

Pre-trained transformer models shine in many natural language processing tasks and therefore are expected to bear the representation of the input sentence or text meaning. These sentence-level embeddings are also important in…

计算与语言 · 计算机科学 2025-02-21 Lukas Stankevičius , Mantas Lukoševičius

This work investigates an alternative model for neural machine translation (NMT) and proposes a novel architecture, where we employ a multi-dimensional long short-term memory (MDLSTM) for translation modeling. In the state-of-the-art…

计算与语言 · 计算机科学 2018-10-10 Parnia Bahar , Christopher Brix , Hermann Ney

Tree-based Long short term memory (LSTM) network has become state-of-the-art for modeling the meaning of language texts as they can effectively exploit the grammatical syntax and thereby non-linear dependencies among words of the sentence.…

计算与语言 · 计算机科学 2020-09-28 Jeena Kleenankandy , K. A. Abdul Nazeer

Prior methods to text segmentation are mostly at token level. Despite the adequacy, this nature limits their full potential to capture the long-term dependencies among segments. In this work, we propose a novel framework that incrementally…

计算与语言 · 计算机科学 2021-04-16 Yangming Li , Lemao Liu , Kaisheng Yao

Accurate segmentation of lesions plays a critical role in medical image analysis and diagnosis. Traditional segmentation approaches that rely solely on visual features often struggle with the inherent uncertainty in lesion distribution and…

图像与视频处理 · 电气工程与系统科学 2025-04-03 Dandan Shan , Zihan Li , Yunxiang Li , Qingde Li , Jie Tian , Qingqi Hong