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While sparse attention mitigates the computational bottleneck of long-context LLM training, its distributed training process exhibits extreme heterogeneity in both \textit{1)} sequence length and \textit{2)} sparsity sensitivity, leading to…

One key challenge of exemplar-guided image generation lies in establishing fine-grained correspondences between input and guided images. Prior approaches, despite the promising results, have relied on either estimating dense attention to…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Songhua Liu , Jingwen Ye , Sucheng Ren , Xinchao Wang

Recent self-supervised contrastive learning methods greatly benefit from the Siamese structure that aims to minimizing distances between positive pairs. These methods usually apply random data augmentation to input images, expecting the…

计算机视觉与模式识别 · 计算机科学 2023-05-16 Sheng Wang , Zixu Zhuang , Xi Ouyang , Lichi Zhang , Zheren Li , Chong Ma , Tianming Liu , Dinggang Shen , Qian Wang

Medical image segmentation plays an important role in clinical decision making, treatment planning, and disease tracking. However, it still faces two major challenges. On the one hand, there is often a ``soft boundary'' between foreground…

图像与视频处理 · 电气工程与系统科学 2024-12-12 Mengqi Lei , Haochen Wu , Xinhua Lv , Xin Wang

Autofocus is necessary for high-throughput and real-time scanning in microscopic imaging. Traditional methods rely on complex hardware or iterative hill-climbing algorithms. Recent learning-based approaches have demonstrated remarkable…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Yongping Zhai , Xiaoxi Fu , Qiang Su , Jia Hu , Yake Zhang , Yunfeng Zhou , Chaofan Zhang , Xiao Li , Wenxin Wang , Dongdong Wu , Shen Yan

The growing demand for long-context inference capabilities in Large Language Models (LLMs) has intensified the computational and memory bottlenecks inherent to the self-attention mechanism. To address this challenge, we introduce BLASST, a…

The increasing demand for long-context modeling in large language models (LLMs) is bottlenecked by the quadratic complexity of the standard self-attention mechanism. The community has proposed sparse attention to mitigate this issue.…

人工智能 · 计算机科学 2025-11-18 Jingze Shi , Yifan Wu , Yiran Peng , Bingheng Wu , Liangdong Wang , Guang Liu , Yuyu Luo

Self-supervised pre-training of deep learning models with contrastive learning is a widely used technique in image analysis. Current findings indicate a strong potential for contrastive pre-training on medical images. However, further…

图像与视频处理 · 电气工程与系统科学 2024-10-21 Daniel Wolf , Tristan Payer , Catharina Silvia Lisson , Christoph Gerhard Lisson , Meinrad Beer , Michael Götz , Timo Ropinski

We propose Sparse Sinkhorn Attention, a new efficient and sparse method for learning to attend. Our method is based on differentiable sorting of internal representations. Concretely, we introduce a meta sorting network that learns to…

机器学习 · 计算机科学 2020-02-27 Yi Tay , Dara Bahri , Liu Yang , Donald Metzler , Da-Cheng Juan

Medical image segmentation has been widely recognized as a pivot procedure for clinical diagnosis, analysis, and treatment planning. However, the laborious and expensive annotation process lags down the speed of further advances.…

计算机视觉与模式识别 · 计算机科学 2022-05-02 Zhuowei Li , Zihao Liu , Zhiqiang Hu , Qing Xia , Ruiqin Xiong , Shaoting Zhang , Dimitris Metaxas , Tingting Jiang

Sparse attention methods exploit the inherent sparsity in attention to speed up the prefilling phase of long-context inference, mitigating the quadratic complexity of full attention computation. While existing sparse attention methods rely…

机器学习 · 计算机科学 2025-05-27 Dan Peng , Zhihui Fu , Zewen Ye , Zhuoran Song , Jun Wang

Computer-aided X-ray pneumonia lesion recognition is important for accurate diagnosis of pneumonia. With the emergence of deep learning, the identification accuracy of pneumonia has been greatly improved, but there are still some challenges…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Xinxu Wei , Haohan Bai , Xianshi Zhang , Yongjie Li

Deep learning in medical imaging has the potential to minimize the risk of diagnostic errors, reduce radiologist workload, and accelerate diagnosis. Training such deep learning models requires large and accurate datasets, with annotations…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Daniel Wolf , Tristan Payer , Catharina Silvia Lisson , Christoph Gerhard Lisson , Meinrad Beer , Michael Götz , Timo Ropinski

Accommodating long sequences efficiently in autoregressive Transformers, especially within an extended context window, poses significant challenges due to the quadratic computational complexity and substantial KV memory requirements…

计算与语言 · 计算机科学 2024-06-25 Chao Lou , Zixia Jia , Zilong Zheng , Kewei Tu

We present a deep learning strategy that enables, for the first time, contrast-agnostic semantic segmentation of completely unpreprocessed brain MRI scans, without requiring additional training or fine-tuning for new modalities. Classical…

图像与视频处理 · 电气工程与系统科学 2021-04-09 Benjamin Billot , Douglas Greve , Koen Van Leemput , Bruce Fischl , Juan Eugenio Iglesias , Adrian V. Dalca

Computer-aided diagnosis plays a salient role in more accessible and accurate cardiopulmonary diseases classification and localization on chest radiography. Millions of people get affected and die due to these diseases without an accurate…

图像与视频处理 · 电气工程与系统科学 2021-10-29 Ajay Jaiswal , Tianhao Li , Cyprian Zander , Yan Han , Justin F. Rousseau , Yifan Peng , Ying Ding

Self-attention based Transformer has demonstrated the state-of-the-art performances in a number of natural language processing tasks. Self-attention is able to model long-term dependencies, but it may suffer from the extraction of…

计算与语言 · 计算机科学 2019-12-30 Guangxiang Zhao , Junyang Lin , Zhiyuan Zhang , Xuancheng Ren , Qi Su , Xu Sun

In medical image analysis, regression plays a critical role in computer-aided diagnosis. It enables quantitative measurements such as age prediction from structural imaging, cardiac function quantification, and molecular measurement from…

机器学习 · 计算机科学 2025-03-25 Yilei Wu , Zijian Dong , Chongyao Chen , Wangchunshu Zhou , Juan Helen Zhou

In Magnetic Resonance Imaging (MRI), image acquisitions are often undersampled in the measurement domain to accelerate the scanning process, at the expense of image quality. However, image quality is a crucial factor that influences the…

图像与视频处理 · 电气工程与系统科学 2024-05-31 Mevan Ekanayake , Zhifeng Chen , Mehrtash Harandi , Gary Egan , Zhaolin Chen

Super-resolving the Magnetic Resonance (MR) image of a target contrast under the guidance of the corresponding auxiliary contrast, which provides additional anatomical information, is a new and effective solution for fast MR imaging.…

图像与视频处理 · 电气工程与系统科学 2022-08-23 Chun-Mei Feng , Yunlu Yan , Kai Yu , Yong Xu , Ling Shao , Huazhu Fu
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