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The performance of multi-task learning in Convolutional Neural Networks (CNNs) hinges on the design of feature sharing between tasks within the architecture. The number of possible sharing patterns are combinatorial in the depth of the…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Felix J. S. Bragman , Ryutaro Tanno , Sebastien Ourselin , Daniel C. Alexander , M. Jorge Cardoso

In this paper we present a deep neural network topology that incorporates a simple to implement transformation invariant pooling operator (TI-POOLING). This operator is able to efficiently handle prior knowledge on nuisance variations in…

计算机视觉与模式识别 · 计算机科学 2016-09-23 Dmitry Laptev , Nikolay Savinov , Joachim M. Buhmann , Marc Pollefeys

We present a novel spatial hashing based data structure to facilitate 3D shape analysis using convolutional neural networks (CNNs). Our method well utilizes the sparse occupancy of 3D shape boundary and builds hierarchical hash tables for…

图形学 · 计算机科学 2019-04-19 Tianjia Shao , Yin Yang , Yanlin Weng , Qiming Hou , Kun Zhou

Global pooling layers are an essential part of Convolutional Neural Networks (CNN). They are used to aggregate activations of spatial locations to produce a fixed-size vector in several state-of-the-art CNNs. Global average pooling or…

计算机视觉与模式识别 · 计算机科学 2024-02-28 Vincent Christlein , Lukas Spranger , Mathias Seuret , Anguelos Nicolaou , Pavel Král , Andreas Maier

Discrete Fourier transforms provide a significant speedup in the computation of convolutions in deep learning. In this work, we demonstrate that, beyond its advantages for efficient computation, the spectral domain also provides a powerful…

机器学习 · 统计学 2015-06-12 Oren Rippel , Jasper Snoek , Ryan P. Adams

Graph neural networks (GNNs) have revolutionized the field of machine learning on non-Euclidean data such as graphs and networks. GNNs effectively implement node representation learning through neighborhood aggregation and achieve…

机器学习 · 计算机科学 2024-04-30 Zehao Dong , Muhan Zhang , Yixin Chen

In this paper we propose a pooling approach for convolutional information processing on graphs relying on the theory of graphons and limits of dense graph sequences. We present three methods that exploit the induced graphon representation…

机器学习 · 计算机科学 2023-08-24 Alejandro Parada-Mayorga , Zhiyang Wang , Alejandro Ribeiro

We propose a novel superpixel-based multi-view convolutional neural network for semantic image segmentation. The proposed network produces a high quality segmentation of a single image by leveraging information from additional views of the…

计算机视觉与模式识别 · 计算机科学 2017-04-27 Yang He , Wei-Chen Chiu , Margret Keuper , Mario Fritz

The spatial extension of active regions (ARs) of the Sun can vary from one case to the next. This is a problem when studying solar flares with Convolutional Neural Networks (CNNs) as they generally use input images of a fixed size.…

太阳与恒星天体物理 · 物理学 2025-03-10 Philippe Vong , Laurent Dolla , Alexandros Koukras , Jacques Gustin , Jorge Amaya , Ekaterina Dineva , Giovanni Lapenta

Radio spectrum monitoring in contested environments motivates the need for reliable automatic signal classification technology. Prior work highlights deep learning as a promising approach, but existing models depend on brute-force Doppler…

信号处理 · 电气工程与系统科学 2025-11-19 Avi Bagchi , Dwight Hutchenson

Convolutional Neural Networks (CNNs) have recently been shown to excel at performing visual place recognition under changing appearance and viewpoint. Previously, place recognition has been improved by intelligently selecting relevant…

机器人学 · 计算机科学 2018-10-31 Stephen Hausler , Adam Jacobson , Michael Milford

The spatial convolution layer which is widely used in the Graph Neural Networks (GNNs) aggregates the feature vector of each node with the feature vectors of its neighboring nodes. The GNN is not aware of the locations of the nodes in the…

机器学习 · 计算机科学 2019-10-04 Mostafa Rahmani , Ping Li

"Lightweight convolutional neural networks" is an important research topic in the field of embedded vision. To implement image recognition tasks on a resource-limited hardware platform, it is necessary to reduce the memory size and the…

计算机视觉与模式识别 · 计算机科学 2021-04-30 Tse-Wei Chen , Motoki Yoshinaga , Hongxing Gao , Wei Tao , Dongchao Wen , Junjie Liu , Kinya Osa , Masami Kato

Graph pooling is a central component of a myriad of graph neural network (GNN) architectures. As an inheritance from traditional CNNs, most approaches formulate graph pooling as a cluster assignment problem, extending the idea of local…

机器学习 · 计算机科学 2020-10-23 Diego Mesquita , Amauri H. Souza , Samuel Kaski

In this paper, we address the problem of image retrieval by learning images representation based on the activations of a Convolutional Neural Network. We present an end-to-end trainable network architecture that exploits a novel multi-scale…

计算机视觉与模式识别 · 计算机科学 2020-04-27 Federico Vaccaro , Marco Bertini , Tiberio Uricchio , Alberto Del Bimbo

Deep Graph Neural Networks (GNNs) are useful models for graph classification and graph-based regression tasks. In these tasks, graph pooling is a critical ingredient by which GNNs adapt to input graphs of varying size and structure. We…

机器学习 · 计算机科学 2020-06-25 Yu Guang Wang , Ming Li , Zheng Ma , Guido Montufar , Xiaosheng Zhuang , Yanan Fan

For steganalysis, many studies showed that convolutional neural network has better performances than the two-part structure of traditional machine learning methods. However, there are still two problems to be resolved: cutting down signal…

多媒体 · 计算机科学 2018-07-31 Ru Zhang , Feng Zhu , Jianyi Liu , Gongshen Liu

Functional magnetic resonance imaging produces high dimensional data, with a less then ideal number of labelled samples for brain decoding tasks (predicting brain states). In this study, we propose a new deep temporal convolutional neural…

机器学习 · 计算机科学 2015-01-13 Orhan Firat , Emre Aksan , Ilke Oztekin , Fatos T. Yarman Vural

Graph convolutional neural networks (GCNNs) are a powerful extension of deep learning techniques to graph-structured data problems. We empirically evaluate several pooling methods for GCNNs, and combinations of those graph pooling methods…

信号处理 · 电气工程与系统科学 2020-04-08 Mark Cheung , John Shi , Lavender Yao Jiang , Oren Wright , José M. F. Moura

Modern convolutional networks are not shift-invariant, as small input shifts or translations can cause drastic changes in the output. Commonly used downsampling methods, such as max-pooling, strided-convolution, and average-pooling, ignore…

计算机视觉与模式识别 · 计算机科学 2019-06-11 Richard Zhang