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Modeling ultra-long user behavior sequences is pivotal for capturing evolving and lifelong interests in modern recommendation systems. However, deploying such models in real-time industrial environments faces a strict "Latency Wall",…

信息检索 · 计算机科学 2026-02-13 Tianhe Lin , Ziwei Xiong , Baoyuan Ou , Yingjie Qin , Lai Xu , Xiaocheng Zhong , Yao Hu , Zhiyong Wang , Tao Zhou , Yubin Xu , Di Wu

The attention operator is arguably the key distinguishing factor of transformer architectures, which have demonstrated state-of-the-art performance on a variety of tasks. However, transformer attention operators often impose a significant…

机器学习 · 计算机科学 2024-12-24 Ziyang Wu , Tianjiao Ding , Yifu Lu , Druv Pai , Jingyuan Zhang , Weida Wang , Yaodong Yu , Yi Ma , Benjamin D. Haeffele

Spectrum sensing is the major challenge in the cognitive radio (CR). We propose to learn local feature and use it as the prior knowledge to improve the detection performance. We define the local feature as the leading eigenvector derived…

信息论 · 计算机科学 2011-04-13 Peng Zhang , Robert Qiu

Diffusion Transformers (DiTs) set the state of the art in visual generation, yet their quadratic self-attention cost fundamentally limits scaling to long token sequences. Recent Top-K sparse attention approaches reduce the computation of…

计算机视觉与模式识别 · 计算机科学 2025-12-19 Yifan Zhou , Zeqi Xiao , Tianyi Wei , Shuai Yang , Xingang Pan

Vision Transformer (ViT) has demonstrated significant potential in various vision tasks due to its strong ability in modelling long-range dependencies. However, such success is largely fueled by training on massive samples. In real…

计算机视觉与模式识别 · 计算机科学 2025-01-15 Bowei Zhang , Yi Zhang

Diffusion Transformers are fundamental for video and image generation, but their efficiency is bottlenecked by the quadratic complexity of attention. While block sparse attention accelerates computation by attending only critical key-value…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Haopeng Li , Shitong Shao , Wenliang Zhong , Zikai Zhou , Lichen Bai , Hui Xiong , Zeke Xie

Deep neural networks, especially transformer-based architectures, have achieved remarkable success in semantic segmentation for environmental perception. However, existing models process video frames independently, thus failing to leverage…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Serin Varghese , Kevin Ross , Fabian Hueger , Kira Maag

Recent progress in transformer-based architectures has demonstrated remarkable success in video generation tasks. However, the quadratic complexity of full attention mechanisms remains a critical bottleneck, particularly for high-resolution…

Vision Transformers (ViTs) have demonstrated superior performance across a wide range of computer vision tasks. However, structured noise artifacts in their feature maps hinder downstream applications such as segmentation and depth…

计算机视觉与模式识别 · 计算机科学 2025-09-25 Sumit Mamtani

Since context modeling is critical for estimating depth from a single image, researchers put tremendous effort into obtaining global context. Many global manipulations are designed for traditional CNN-based architectures to overcome the…

计算机视觉与模式识别 · 计算机科学 2022-05-02 Chang Shu , Ziming Chen , Lei Chen , Kuan Ma , Minghui Wang , Haibing Ren

Transformer-based models have made remarkable progress in image restoration (IR) tasks. However, the quadratic complexity of self-attention in Transformer hinders its applicability to high-resolution images. Existing methods mitigate this…

计算机视觉与模式识别 · 计算机科学 2025-05-23 Yuang Ai , Huaibo Huang , Tao Wu , Qihang Fan , Ran He

Many applications in signal processing benefit from the sparsity of signals in a certain transform domain or dictionary. Synthesis sparsifying dictionaries that are directly adapted to data have been popular in applications such as image…

机器学习 · 统计学 2015-06-23 Saiprasad Ravishankar , Yoram Bresler

Sparse vision transformers have gained popularity as efficient encoders for medical volumetric segmentation, with Swin emerging as a prominent choice. Swin uses local attention to reduce complexity and yields excellent performance for many…

计算机视觉与模式识别 · 计算机科学 2026-05-29 David Hagerman , Roman Naeem , Jakob Lindqvist , Carl Lindström , Fredrik Kahl , Lennart Svensson

Dimension of the encoder output (i.e., the code layer) in an autoencoder is a key hyper-parameter for representing the input data in a proper space. This dimension must be carefully selected in order to guarantee the desired reconstruction…

机器学习 · 计算机科学 2021-02-02 Pedram Fekri , Ali Akbar Safavi , Mehrdad Hosseini Zadeh , Peyman Setoodeh

Fault diagnosis of rotating machinery is an important engineering problem. In recent years, fault diagnosis methods based on the Convolutional Neural Network (CNN) and Recurrent Neural Network (RNN) have been mature, but Transformer has not…

计算工程、金融与科学 · 计算机科学 2021-08-31 Yuhong Jin , Lei Hou , Yushu Chen

Convolutional neural networks (CNNs) and vision transformers (ViTs) have become essential in computer vision for local and global feature extraction. However, aggregating these architectures in existing methods often results in…

计算机视觉与模式识别 · 计算机科学 2024-10-16 Chunlei Meng , Jiacheng Yang , Wei Lin , Bowen Liu , Hongda Zhang , chun ouyang , Zhongxue Gan

Due to spatial redundancy in remote sensing images, sparse tokens containing rich information are usually involved in self-attention (SA) to reduce the overall token numbers within the calculation, avoiding the high computational cost issue…

计算机视觉与模式识别 · 计算机科学 2024-05-17 Wentao Jiang , Jing Zhang , Di Wang , Qiming Zhang , Zengmao Wang , Bo Du

Large language models (LLMs) now support extremely long context windows, but the quadratic complexity of vanilla attention results in significantly long Time-to-First-Token (TTFT) latency. Existing approaches to address this complexity…

计算与语言 · 计算机科学 2025-09-04 Qianchao Zhu , Jiangfei Duan , Chang Chen , Siran Liu , Guanyu Feng , Xin Lv , Xiao Chuanfu , Dahua Lin , Chao Yang

Tomographic SAR technique has attracted remarkable interest for its ability of three-dimensional resolving along the elevation direction via a stack of SAR images collected from different cross-track angles. The emerged compressed sensing…

信号处理 · 电气工程与系统科学 2023-07-19 Muhan Wang , Zhe Zhang , Xiaolan Qiu , Silin Gao , Yue Wang

Linearizing pretrained large language models (LLMs) primarily relies on intra-layer hybrid attention mechanisms to alleviate the quadratic complexity of standard softmax attention. Existing methods perform token routing based on…

机器学习 · 计算机科学 2026-02-03 Weikang Meng , Liangyu Huo , Yadan Luo , Jiawen Guan , Jingyi Zhang , Yingjian Li , Zheng Zhang