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Vision transformers (ViTs) have pushed the state-of-the-art for visual perception tasks. The self-attention mechanism underpinning the strength of ViTs has a quadratic complexity in both computation and memory usage. This motivates the…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Jiachen Lu , Junge Zhang , Xiatian Zhu , Jianfeng Feng , Tao Xiang , Li Zhang

In many information processing systems, it may be desirable to ensure that any change of the input, whether by shifting or scaling, results in a corresponding change in the system response. While deep neural networks are gradually replacing…

计算机视觉与模式识别 · 计算机科学 2024-02-22 Sébastien Herbreteau , Emmanuel Moebel , Charles Kervrann

Modern cryptographic methods for implementing privacy-preserving LLMs such as \gls{HE} require the LLMs to have a polynomial form. Forming such a representation is challenging because transformers include non-polynomial components, such as…

Neural networks are one of the first major milestones in developing artificial intelligence systems. The utilisation of integrated photonics in neural networks offers a promising alternative approach to microelectronic and hybrid…

In recent years, deep neural networks (DNNs) achieved unprecedented performance in many low-level vision tasks. However, state-of-the-art results are typically achieved by very deep networks, which can reach tens of layers with tens of…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Idan Kligvasser , Tamar Rott Shaham , Tomer Michaeli

Linear attention has emerged as a promising alternative to softmax-based attention, leveraging kernelized feature maps to reduce complexity from quadratic to linear in sequence length. However, the non-negative constraint on feature maps…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Weikang Meng , Yadan Luo , Xin Li , Dongmei Jiang , Zheng Zhang

Transformers have shown great potential in computer vision tasks. A common belief is their attention-based token mixer module contributes most to their competence. However, recent works show the attention-based module in Transformers can be…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Weihao Yu , Mi Luo , Pan Zhou , Chenyang Si , Yichen Zhou , Xinchao Wang , Jiashi Feng , Shuicheng Yan

Transformers have found extensive applications across various domains due to the powerful fitting capabilities. This success can be partially attributed to their inherent nonlinearity. Thus, in addition to the ReLU function employed in the…

计算与语言 · 计算机科学 2025-03-21 Zhijian Zhuo , Ya Wang , Yutao Zeng , Xiaoqing Li , Xun Zhou , Jinwen Ma

While Neural Processing Units (NPUs) offer high theoretical efficiency for edge AI, state-of-the-art Vision--Language Models (VLMs) tailored for GPUs often falter on these substrates. We attribute this hardware-model mismatch to two primary…

计算与语言 · 计算机科学 2025-12-09 Wei Chen , Liangmin Wu , Yunhai Hu , Zhiyuan Li , Zhiyuan Cheng , Yicheng Qian , Lingyue Zhu , Zhipeng Hu , Luoyi Liang , Qiang Tang , Zhen Liu , Han Yang

Recently, much attention has been devoted to finding highly efficient and powerful activation functions for CNN layers. Because activation functions inject different nonlinearities between layers that affect performance, varying them is one…

计算机视觉与模式识别 · 计算机科学 2021-04-05 Loris Nanni , Gianluca Maguolo , Sheryl Brahnam , Michelangelo Paci

Prevalent semantic segmentation solutions, despite their different network designs (FCN based or attention based) and mask decoding strategies (parametric softmax based or pixel-query based), can be placed in one category, by considering…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Tianfei Zhou , Wenguan Wang , Ender Konukoglu , Luc Van Gool

The quadratic complexity of softmax attention presents a major obstacle for scaling Transformers to high-resolution vision tasks. Existing linear attention variants often replace the softmax with Gaussian kernels to reduce complexity, but…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Zhe Feng , Sen Lian , Changwei Wang , Muyang Zhang , Tianlong Tan , Rongtao Xu , Weiliang Meng , Xiaopeng Zhang

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

Fully homomorphic encryption (FHE) supports only additions and multiplications, so FHE-only neural-network inference typically replaces ReLU with polynomials fitted over empirical activation intervals. Such interval fitting often requires…

密码学与安全 · 计算机科学 2026-05-25 Rui Li , Wenyuan Wu , Weijie Miao

We describe a novel family of models of multi- layer feedforward neural networks in which the activation functions are encoded via penalties in the training problem. Our approach is based on representing a non-decreasing activation function…

机器学习 · 计算机科学 2018-06-22 Armin Askari , Geoffrey Negiar , Rajiv Sambharya , Laurent El Ghaoui

Many problems in RL, such as meta-RL, robust RL, generalization in RL, and temporal credit assignment, can be cast as POMDPs. In theory, simply augmenting model-free RL with memory-based architectures, such as recurrent neural networks,…

机器学习 · 计算机科学 2022-06-07 Tianwei Ni , Benjamin Eysenbach , Ruslan Salakhutdinov

Semantic segmentation has a wide array of applications ranging from medical-image analysis, scene understanding, autonomous driving and robotic navigation. This work deals with medical image segmentation and in particular with accurate…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Alessandra Lumini , Loris Nanni , Gianluca Maguolo

Recent studies have demonstrated the effectiveness of Gated Linear Units (GLU) in enhancing transformer models, particularly in Large Language Models (LLMs). Additionally, utilizing a parallel configuration within each Transformer block…

计算机视觉与模式识别 · 计算机科学 2024-01-02 Mahesh Ramesh , Aswinkumar Ramkumar

Current research suggests that the key factors in designing neural network architectures involve choosing number of filters for every convolution layer, number of hidden neurons for every fully connected layer, dropout and pruning. The…

机器学习 · 计算机科学 2020-09-17 Himanshu Pradeep Aswani , Amit Sethi

In the architecture of deep learning models, inspired by biological neurons, activation functions (AFs) play a pivotal role. They significantly influence the performance of artificial neural networks. By modulating the non-linear properties…

机器学习 · 计算机科学 2024-07-17 M. M. Hammad