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Greedy algorithms are widely used for problems in machine learning such as feature selection and set function optimization. Unfortunately, for large datasets, the running time of even greedy algorithms can be quite high. This is because for…

机器学习 · 统计学 2017-03-09 Rajiv Khanna , Ethan Elenberg , Alexandros G. Dimakis , Sahand Negahban , Joydeep Ghosh

Finetuning a pretrained model has become a standard approach for training neural networks on novel tasks, resulting in fast convergence and improved performance. In this work, we study an alternative finetuning method, where instead of…

机器学习 · 计算机科学 2023-07-04 Gal Kaplun , Andrey Gurevich , Tal Swisa , Mazor David , Shai Shalev-Shwartz , Eran Malach

Compact symbolic expressions have been shown to be more efficient than neural network models in terms of resource consumption and inference speed when implemented on custom hardware such as FPGAs, while maintaining comparable…

机器学习 · 计算机科学 2025-02-11 Ho Fung Tsoi , Vladimir Loncar , Sridhara Dasu , Philip Harris

Despite the recent success of artificial neural networks on a variety of tasks, we have little knowledge or control over the exact solutions these models implement. Instilling inductive biases -- preferences for some solutions over others…

机器学习 · 计算机科学 2024-02-02 Enyan Zhang , Michael A. Lepori , Ellie Pavlick

Attentional Neural Network is a new framework that integrates top-down cognitive bias and bottom-up feature extraction in one coherent architecture. The top-down influence is especially effective when dealing with high noise or difficult…

计算机视觉与模式识别 · 计算机科学 2014-11-20 Qian Wang , Jiaxing Zhang , Sen Song , Zheng Zhang

Generative Flow Networks (GFlowNets; GFNs) are a class of generative models that learn to sample compositional objects proportionally to their a priori unknown value, their reward. We focus on the case where the reward has a specified,…

机器学习 · 计算机科学 2026-05-12 Alexandre Larouche , Audrey Durand

Multimodal information processing has become increasingly important for enhancing image classification performance. However, the intricate and implicit dependencies across different modalities often hinder conventional methods from…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Yang Qiao , Xiaoyu Zhong , Xiaofeng Gu , Zhiguo Yu

Submodularity is desirable for a variety of objectives in content selection where the current neural encoder-decoder framework is inadequate. However, it has so far not been explored in the neural encoder-decoder system for text generation.…

计算与语言 · 计算机科学 2020-10-06 Simeng Han , Xiang Lin , Shafiq Joty

Constrained submodular function maximization has been used in subset selection problems such as selection of most informative sensor locations. While these models have been quite popular, the solutions Constrained submodular function…

数据结构与算法 · 计算机科学 2020-10-15 Alfredo Torrico , Mohit Singh , Sebastian Pokutta , Nika Haghtalab , Joseph , Naor , Nima Anari

Prediction tasks over nodes and edges in networks require careful effort in engineering features used by learning algorithms. Recent research in the broader field of representation learning has led to significant progress in automating…

社会与信息网络 · 计算机科学 2016-07-05 Aditya Grover , Jure Leskovec

The effectiveness of recurrent neural networks can be largely influenced by their ability to store into their dynamical memory information extracted from input sequences at different frequencies and timescales. Such a feature can be…

机器学习 · 计算机科学 2020-07-01 Antonio Carta , Alessandro Sperduti , Davide Bacciu

We propose a scalable framework for the learning of high-dimensional parametric maps via adaptively constructed residual network (ResNet) maps between reduced bases of the inputs and outputs. When just few training data are available, it is…

In this paper we propose cross-modal convolutional neural networks (X-CNNs), a novel biologically inspired type of CNN architectures, treating gradient descent-specialised CNNs as individual units of processing in a larger-scale network…

机器学习 · 统计学 2017-09-26 Petar Veličković , Duo Wang , Nicholas D. Lane , Pietro Liò

This paper has proposed a new baseline deep learning model of more benefits for image classification. Different from the convolutional neural network(CNN) practice where filters are trained by back propagation to represent different…

计算机视觉与模式识别 · 计算机科学 2021-08-13 Yifei Li , Kuangyan Song , Yiming Sun , Liao Zhu

Scanpath classification is an area in eye tracking research with possible applications in medicine, manufacturing as well as training systems for students in various domains. In this paper we propose a trainable feature extraction module…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Wolfgang Fuhl

Feature selection aims to identify the optimal feature subset for enhancing downstream models. Effective feature selection can remove redundant features, save computational resources, accelerate the model learning process, and improve the…

机器学习 · 计算机科学 2024-12-19 Nanxu Gong , Wangyang Ying , Dongjie Wang , Yanjie Fu

In image classification task, feature extraction is always a big issue. Intra-class variability increases the difficulty in designing the extractors. Furthermore, hand-crafted feature extractor cannot simply adapt new situation. Recently,…

计算机视觉与模式识别 · 计算机科学 2020-06-18 Chieh-Ning Fang , Chin-Teng Lin

A model of the columnar functional organization of neocortical association areas is studied. The neuronal network is composed of many Hebbian autoassociators, or modules, each of which interacts with a relatively small number of the others.…

无序系统与神经网络 · 物理学 2020-05-14 Carlo Fulvi Mari

Solving variational image segmentation problems with hidden physics is often expensive and requires different algorithms and manually tunes model parameter. The deep learning methods based on the U-Net structure have obtained outstanding…

计算机视觉与模式识别 · 计算机科学 2022-11-08 Hui Zhu , Shi Shu , Jianping Zhang

We present a practical and powerful new framework for both unconstrained and constrained submodular function optimization based on discrete semidifferentials (sub- and super-differentials). The resulting algorithms, which repeatedly compute…

数据结构与算法 · 计算机科学 2013-08-13 Rishabh Iyer , Stefanie Jegelka , Jeff Bilmes