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Extending computational harmonic analysis tools from the classical setting of regular lattices to the more general setting of graphs and networks is very important and much research has been done recently. The Generalized Haar-Walsh…

信号处理 · 电气工程与系统科学 2021-12-28 Naoki Saito , Yiqun Shao

Hadamard transforms have become a key tool for stabilizing low-precision training, but existing methods apply them uniformly across tensors and computation paths. We show that this one-size-fits-all strategy is inherently limited: Hadamard…

机器学习 · 计算机科学 2026-05-11 Seonggon Kim , Alireza Khodamoradi , Pranathi Vasireddy , Kristof Denolf , Eunhyeok Park

More transformer blocks with residual connections have recently achieved impressive results on various tasks. To achieve better performance with fewer trainable parameters, recent methods are proposed to go shallower by parameter sharing or…

机器学习 · 计算机科学 2021-09-08 Fuzhao Xue , Ziji Shi , Futao Wei , Yuxuan Lou , Yong Liu , Yang You

Large neural networks are difficult to deploy on mobile devices because of intensive computation and storage. To alleviate it, we study ternarization, a balance between efficiency and accuracy that quantizes both weights and activations…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Weixiang Xu , Xiangyu He , Tianli Zhao , Qinghao Hu , Peisong Wang , Jian Cheng

Image super-resolution research recently been dominated by transformer models which need higher computational resources than CNNs due to the quadratic complexity of self-attention. We propose a new neural network -- WaveMixSR -- for image…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Pranav Jeevan , Akella Srinidhi , Pasunuri Prathiba , Amit Sethi

Feature whitening is a known technique for speeding up training of DNN. Under certain assumptions, whitening the activations reduces the Fisher information matrix to a simple identity matrix, in which case stochastic gradient descent is…

机器学习 · 计算机科学 2020-11-10 Shmulik Markovich-Golan , Barak Battash , Amit Bleiweiss

This study presents a lightweight dual-domain super-resolution network (DDSRNet) that combines Spatial-Net with the discrete wavelet transform (DWT). Specifically, our proposed model comprises three main components: (1) a shallow feature…

计算机视觉与模式识别 · 计算机科学 2025-12-11 Murat Karayaka , Usman Muhammad , Jorma Laaksonen , Md Ziaul Hoque , Tapio Seppänen

Iterative gradient-based algorithms have been increasingly applied for the training of a broad variety of machine learning models including large neural-nets. In particular, momentum-based methods, with accelerated learning guarantees, have…

机器学习 · 计算机科学 2021-06-10 José M. Moreu , Anuradha M. Annaswamy

Orthogonal frequency division multiplexing (OFDM) is a modulation technique susceptible to source, channel and amplifier nonlinearities because of its high peak-to-average ratio (PAPR). The distortion gets worse by increasing the average…

信息论 · 计算机科学 2014-04-07 Mohammad Noshad , Maite Brandt-Pearce

We present a deep learning approach to estimation of the bead parameters in welding tasks. Our model is based on a four-hidden-layer neural network architecture. More specifically, the first three hidden layers of this architecture utilize…

机器学习 · 计算机科学 2015-07-09 Soheil Keshmiri , Xin Zheng , Chee Meng Chew , Chee Khiang Pang

Real-time image denoising is essential for modern mobile photography but remains challenging due to the strict latency and power constraints of edge devices. This paper presents FastSHADE (Fast Self-augmented Hierarchical Asymmetric…

计算机视觉与模式识别 · 计算机科学 2026-04-24 Nikolay Falaleev

Convolutional neural networks (CNNs) are currently state-of-the-art for various classification tasks, but are computationally expensive. Propagating through the convolutional layers is very slow, as each kernel in each layer must…

神经与进化计算 · 计算机科学 2016-01-27 Tyler Highlander , Andres Rodriguez

Despite the capacity of neural nets to learn arbitrary functions, models trained through gradient descent often exhibit a bias towards ``simpler'' functions. Various notions of simplicity have been introduced to characterize this behavior.…

机器学习 · 计算机科学 2023-06-13 Ali Gorji , Andisheh Amrollahi , Andreas Krause

Complicated and deep neural network models can achieve high accuracy for image recognition. However, they require a huge amount of computations and model parameters, which are not suitable for mobile and embedded devices. Therefore,…

计算机视觉与模式识别 · 计算机科学 2019-06-14 Hong-Yen Chen , Chung-Yen Su

As deep neural networks (DNNs) grow in complexity and size, the resultant increase in communication overhead during distributed training has become a significant bottleneck, challenging the scalability of distributed training systems.…

分布式、并行与集群计算 · 计算机科学 2024-02-13 Haoyu Li , Yuchen Xu , Jiayi Chen , Rohit Dwivedula , Wenfei Wu , Keqiang He , Aditya Akella , Daehyeok Kim

We present a parameter-free variant of the halo model that significantly improves the precision of matter clustering predictions, particularly in the challenging 1-halo to 2-halo transition regime, where standard halo models often fail.…

宇宙学与河外天体物理 · 物理学 2026-03-18 Samuel Brieden , Florian Beutler , Marcos Pellejero-Ibañez

Convolutional neural networks (CNNs) have found many applications in tasks involving two-dimensional (2D) data, such as image classification and image processing. Therefore, 2D convolution layers have been heavily optimized on CPUs and…

Deep learning has made significant improvements at many image processing tasks in recent years, such as image classification, object recognition and object detection. Convolutional neural networks (CNN), which is a popular deep learning…

计算机视觉与模式识别 · 计算机科学 2018-05-16 T. Ceren Deveci , Serdar Cakir , A. Enis Cetin

Recently, deep neural networks (DNNs) have been regarded as the state-of-the-art classification methods in a wide range of applications, especially in image classification. Despite the success, the huge number of parameters blocks its…

机器学习 · 统计学 2017-12-18 Guangxi Li , Jinmian Ye , Haiqin Yang , Di Chen , Shuicheng Yan , Zenglin Xu

We propose a simple two-step approach for speeding up convolution layers within large convolutional neural networks based on tensor decomposition and discriminative fine-tuning. Given a layer, we use non-linear least squares to compute a…

计算机视觉与模式识别 · 计算机科学 2015-04-27 Vadim Lebedev , Yaroslav Ganin , Maksim Rakhuba , Ivan Oseledets , Victor Lempitsky