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Temporal modeling in videos is a fundamental yet challenging problem in computer vision. In this paper, we propose a novel Temporal Bilinear (TB) model to capture the temporal pairwise feature interactions between adjacent frames. Compared…

计算机视觉与模式识别 · 计算机科学 2018-11-27 Yanghao Li , Sijie Song , Yuqi Li , Jiaying Liu

Spiking neural networks (SNNs) can utilize spatio-temporal information and have a nature of energy efficiency which is a good alternative to deep neural networks(DNNs). The event-driven information processing makes SNNs can reduce the…

神经与进化计算 · 计算机科学 2021-12-15 Changqing Xu , Yi Liu , Yintang Yang

Deep Convolutional Neural Networks (DCNNs) commonly use generic `max-pooling' (MP) layers to extract deformation-invariant features, but we argue in favor of a more refined treatment. First, we introduce epitomic convolution as a building…

计算机视觉与模式识别 · 计算机科学 2014-12-02 George Papandreou , Iasonas Kokkinos , Pierre-André Savalle

Adversarial examples of deep neural networks are receiving ever increasing attention because they help in understanding and reducing the sensitivity to their input. This is natural given the increasing applications of deep neural networks…

计算机视觉与模式识别 · 计算机科学 2021-01-13 Hanwei Zhang , Yannis Avrithis , Teddy Furon , Laurent Amsaleg

Deep neural networks can be effective means to automatically classify aerial images but is easy to overfit to the training data. It is critical for trained neural networks to be robust to variations that exist between training and test…

计算机视觉与模式识别 · 计算机科学 2019-09-25 Jiayun Wang , Patrick Virtue , Stella X. Yu

Video anomaly detection (VAD) has been extensively researched due to its potential for intelligent video systems. However, most existing methods based on CNNs and transformers still suffer from substantial computational burdens and have…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Zhangxun Li , Mengyang Zhao , Xuan Yang , Yang Liu , Jiamu Sheng , Xinhua Zeng , Tian Wang , Kewei Wu , Yu-Gang Jiang

The de facto algorithm for training the back pass of a feedforward neural network is backpropagation (BP). The use of almost-everywhere differentiable activation functions made it efficient and effective to propagate the gradient backwards…

神经与进化计算 · 计算机科学 2022-06-14 John Waldo

Non-linear manifold learning enables high-dimensional data analysis, but requires out-of-sample-extension methods to process new data points. In this paper, we propose a manifold learning algorithm based on deep learning to create an…

机器学习 · 统计学 2015-06-26 Gal Mishne , Uri Shaham , Alexander Cloninger , Israel Cohen

Graph Neural Networks usually rely on the assumption that the graph topology is available to the network as well as optimal for the downstream task. Latent graph inference allows models to dynamically learn the intrinsic graph structure of…

机器学习 · 计算机科学 2023-06-28 Haitz Sáez de Ocáriz Borde , Anees Kazi , Federico Barbero , Pietro Liò

Feature discrimination is a crucial aspect of neural network design, as it directly impacts the network's ability to distinguish between classes and generalize across diverse datasets. The accomplishment of achieving high-quality feature…

神经与进化计算 · 计算机科学 2025-02-18 Katerina Maria Oikonomou , Ioannis Kansizoglou , Antonios Gasteratos

Deep spiking neural networks (SNNs) hold great potential for improving the latency and energy efficiency of deep neural networks through event-based computation. However, training such networks is difficult due to the non-differentiable…

神经与进化计算 · 计算机科学 2016-09-01 Jun Haeng Lee , Tobi Delbruck , Michael Pfeiffer

Deep neural networks (DNNs) provide useful models of visual representational transformations. We present a method that enables a DNN (student) to learn from the internal representational spaces of a reference model (teacher), which could be…

神经与进化计算 · 计算机科学 2019-09-19 Patrick McClure , Nikolaus Kriegeskorte

We propose two graph neural network layers for graphs with features in a Riemannian manifold. First, based on a manifold-valued graph diffusion equation, we construct a diffusion layer that can be applied to an arbitrary number of nodes and…

机器学习 · 计算机科学 2025-02-26 Martin Hanik , Gabriele Steidl , Christoph von Tycowicz

Deep neural networks are able to learn multi-layered representation via back propagation (BP). Although the gradient boosting decision tree (GBDT) is effective for modeling tabular data, it is non-differentiable with respect to its input,…

机器学习 · 计算机科学 2021-09-28 Zhendong Zhang

With the success of deep learning in classifying short trimmed videos, more attention has been focused on temporally segmenting and classifying activities in long untrimmed videos. State-of-the-art approaches for action segmentation utilize…

计算机视觉与模式识别 · 计算机科学 2020-09-04 Shijie Li , Yazan Abu Farha , Yun Liu , Ming-Ming Cheng , Juergen Gall

State of the art image retrieval performance is achieved with CNN features and manifold ranking using a k-NN similarity graph that is pre-computed off-line. The two most successful existing approaches are temporal filtering, where manifold…

计算机视觉与模式识别 · 计算机科学 2018-11-26 Ahmet Iscen , Yannis Avrithis , Giorgos Tolias , Teddy Furon , Ondrej Chum

Spiking Neural Networks (SNNs) are promising energy-efficient models for neuromorphic computing. For training the non-differentiable SNN models, the backpropagation through time (BPTT) with surrogate gradients (SG) method has achieved high…

神经与进化计算 · 计算机科学 2023-08-08 Qingyan Meng , Mingqing Xiao , Shen Yan , Yisen Wang , Zhouchen Lin , Zhi-Quan Luo

GNNs have been proven to perform highly effective in various node-level, edge-level, and graph-level prediction tasks in several domains. Existing approaches mainly focus on static graphs. However, many graphs change over time with their…

机器学习 · 计算机科学 2022-06-22 Bahareh Najafi , Saeedeh Parsaeefard , Alberto Leon-Garcia

Learning meaningful representations using deep neural networks involves designing efficient training schemes and well-structured networks. Currently, the method of stochastic gradient descent that has a momentum with dropout is one of the…

机器学习 · 计算机科学 2016-01-15 Taehoon Lee , Minsuk Choi , Sungroh Yoon

Semi-supervised learning algorithms typically construct a weighted graph of data points to represent a manifold. However, an explicit graph representation is problematic for neural networks operating in the online setting. Here, we propose…

机器学习 · 计算机科学 2019-10-22 Alexander Genkin , Anirvan M. Sengupta , Dmitri Chklovskii