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As illustrated by the success of integer linear programming, linear integer arithmetic is a powerful tool for modelling combinatorial problems. Furthermore, the probabilistic extension of linear programming has been used to formulate…

人工智能 · 计算机科学 2024-10-17 Lennert De Smet , Pedro Zuidberg Dos Martires

Structured sparsity accelerates training and inference on modern GPUs, yet it still trails unstructured dynamic sparse training (DST) in accuracy. The shortfall stems from a loss of expressivity: whereas a dense layer can realize every…

机器学习 · 计算机科学 2025-10-17 Abhishek Tyagi , Arjun Iyer , Liam Young , William H Renninger , Christopher Kanan , Yuhao Zhu

Person re-identification (Re-ID) poses a unique challenge to deep learning: how to learn a deep model with millions of parameters on a small training set of few or no labels. In this paper, a number of deep transfer learning models are…

计算机视觉与模式识别 · 计算机科学 2016-11-23 Mengyue Geng , Yaowei Wang , Tao Xiang , Yonghong Tian

Large labeled training sets are the critical building blocks of supervised learning methods and are key enablers of deep learning techniques. For some applications, creating labeled training sets is the most time-consuming and expensive…

机器学习 · 统计学 2018-12-10 Alexander Ratner , Christopher De Sa , Sen Wu , Daniel Selsam , Christopher Ré

Deep learning has powered recent successes of artificial intelligence (AI). However, the deep neural network, as the basic model of deep learning, has suffered from issues such as local traps and miscalibration. In this paper, we provide a…

机器学习 · 统计学 2021-12-03 Yan Sun , Wenjun Xiong , Faming Liang

Exiting deep-learning based dense stereo matching methods often rely on ground-truth disparity maps as the training signals, which are however not always available in many situations. In this paper, we design a simple convolutional neural…

计算机视觉与模式识别 · 计算机科学 2017-09-05 Yiran Zhong , Yuchao Dai , Hongdong Li

The great success of deep neural networks is built upon their over-parameterization, which smooths the optimization landscape without degrading the generalization ability. Despite the benefits of over-parameterization, a huge amount of…

机器学习 · 计算机科学 2022-04-22 Yanwei Fu , Chen Liu , Donghao Li , Zuyuan Zhong , Xinwei Sun , Jinshan Zeng , Yuan Yao

For sparse, structured reinforcement-learning tasks with semantic reward-function interfaces, LLM-generated reward shaping is better framed as debugging than one-shot generation. We study PPO-trained agents using MiniGrid as core evaluation…

机器学习 · 计算机科学 2026-05-29 Youting Wang , Yuan Tang , Bowen Liu , Xuan Liu , Dingyan Shang

Small, highly trained, open-source large language models are widely used due to their inference efficiency, but further improving their quality remains a challenge. Sparse upcycling is a promising approach that transforms a pretrained dense…

机器学习 · 计算机科学 2024-11-15 Sasha Doubov , Nikhil Sardana , Vitaliy Chiley

Probabilistic programming has emerged as a powerful paradigm in statistics, applied science, and machine learning: by decoupling modelling from inference, it promises to allow modellers to directly reason about the processes generating…

机器学习 · 统计学 2019-06-10 Maria I. Gorinova , Dave Moore , Matthew D. Hoffman

Sparse training has received an upsurging interest in machine learning due to its tantalizing saving potential for the entire training process as well as inference. Dynamic sparse training (DST), as a leading sparse training approach, can…

The Strong Lottery Ticket Hypothesis (SLTH) states that randomly-initialised neural networks likely contain subnetworks that perform well without any training. Although unstructured pruning has been extensively studied in this context, its…

机器学习 · 计算机科学 2026-03-11 Arthur da Cunha , Francesco d'Amore , Emanuele Natale

The explicit regularization and optimality of deep neural networks estimators from independent data have made considerable progress recently. The study of such properties on dependent data is still a challenge. In this paper, we carry out…

机器学习 · 统计学 2025-07-09 William Kengne , Modou Wade

Sparse optimization is a fundamental challenge in various practical applications. A popular approach to sparse optimization is $\ell_p$ regularization. However, it may encounter optimization instability due to the unbounded gradients when…

机器学习 · 计算机科学 2026-05-29 Huangyu Xu , Jingqin Yang , Qianqian Xu , Jiaye Teng

There is currently a large gap in performance between the statistically rigorous methods like linear regression or additive splines and the powerful deep methods using neural networks. Previous works attempting to close this gap have failed…

机器学习 · 计算机科学 2023-11-08 James Enouen , Yan Liu

In pruning, the Lottery Ticket Hypothesis posits that large networks contain sparse subnetworks, or winning tickets, that can be trained in isolation to match the performance of their dense counterparts. However, most existing approaches…

人工智能 · 计算机科学 2026-01-30 Grzegorz Stefanski , Alberto Presta , Michal Byra

Large neural networks are very successful in various tasks. However, with limited data, the generalization capabilities of deep neural networks are also very limited. In this paper, we empirically start showing that intrinsically sparse…

神经与进化计算 · 计算机科学 2019-06-28 Shiwei Liu , Decebal Constantin Mocanu , Mykola Pechenizkiy

Sparse neural networks are becoming increasingly important as the field seeks to improve the performance of existing models by scaling them up, while simultaneously trying to reduce power consumption and computational footprint.…

机器学习 · 计算机科学 2021-06-08 Siddhant M. Jayakumar , Razvan Pascanu , Jack W. Rae , Simon Osindero , Erich Elsen

The development of fast and accurate image reconstruction algorithms is a central aspect of computed tomography. In this paper, we investigate this issue for the sparse data problem in photoacoustic tomography (PAT). We develop a direct and…

计算机视觉与模式识别 · 计算机科学 2018-08-31 Stephan Antholzer , Markus Haltmeier , Johannes Schwab

Deep learning models have provided extremely successful solutions in most audio application fields. However, the high accuracy of these models comes at the expense of a tremendous computation cost. This aspect is almost always overlooked in…