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Sophisticated multilayer neural networks have achieved state of the art results on multiple supervised tasks. However, successful applications of such multilayer networks to control have so far been limited largely to the perception portion…

Machine Learning · Computer Science 2013-11-08 Sergey Levine

Training deep learning models takes an extremely long execution time and consumes large amounts of computing resources. At the same time, recent research proposed systems and compilers that are expected to decrease deep learning models…

Machine Learning · Computer Science 2022-05-11 Sean Parker , Sami Alabed , Eiko Yoneki

Offline reinforcement learning (RL) algorithms can learn better decision-making compared to behavior policies by stitching the suboptimal trajectories to derive more optimal ones. Meanwhile, Decision Transformer (DT) abstracts the RL as…

Machine Learning · Computer Science 2024-05-28 Ziqi Zhang , Jingzehua Xu , Jinxin Liu , Zifeng Zhuang , Donglin Wang , Miao Liu , Shuai Zhang

Single encoder-decoder methodologies for semantic segmentation are reaching their peak in terms of segmentation quality and efficiency per number of layers. To address these limitations, we propose a new architecture based on a decoder…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Gabriel L. Oliveira , Senthil Yogamani , Wolfram Burgard , Thomas Brox

We study the impact of the brain tractography false positives in the brain connectivity graphs. The representative input database for the analysis is the set of tractograms from the participants on the ISMRM-2015 Tractography Challenge. We…

Social and Information Networks · Computer Science 2023-05-26 Juan Luis Villarreal-Haro , Alonso Ramirez-Manzanares , Juan Antonio Pichardo-Corpus

In recent years, functional magnetic resonance imaging has emerged as a powerful tool for investigating the human brain's functional connectivity networks. Related studies demonstrate that functional connectivity networks in the human brain…

Artificial Intelligence · Computer Science 2023-09-18 Xiangzhu Meng , Wei Wei , Qiang Liu , Shu Wu , Liang Wang

Network tomography is a crucial problem in network monitoring, where the observable path performance metric values are used to infer the unobserved ones, making it essential for tasks such as route selection, fault diagnosis, and traffic…

Machine Learning · Computer Science 2025-02-25 Yuntong Hu , Junxiang Wang , Liang Zhao

Radio map, or pathloss map prediction, is a crucial method for wireless network modeling and management. By leveraging deep learning to construct pathloss patterns from geographical maps, an accurate digital replica of the transmission…

Signal Processing · Electrical Eng. & Systems 2025-01-14 Yuxuan Li , Cheng Zhang , Wen Wang , Yongming Huang

Typical text recognition methods rely on an encoder-decoder structure, in which the encoder extracts features from an image, and the decoder produces recognized text from these features. In this study, we propose a simpler and more…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Masato Fujitake

A key barrier to using reinforcement learning (RL) in many real-world applications is the requirement of a large number of system interactions to learn a good control policy. Off-policy and Offline RL methods have been proposed to reduce…

Machine Learning · Computer Science 2022-12-02 Wenqi Cui , Linbin Huang , Weiwei Yang , Baosen Zhang

Disease in the brain is often associated with subtle, spatially diffuse, or complex tissue changes that may lie beneath the level of gross visual inspection, even on magnetic resonance imaging (MRI). Unfortunately, current computer-assisted…

Computer Vision and Pattern Recognition · Computer Science 2017-05-16 Shinjini Kundu , Soheil Kolouri , Kirk I Erickson , Arthur F Kramer , Edward McAuley , Gustavo K Rohde

With the development of the convolutional neural network, image style transfer has drawn increasing attention. However, most existing approaches adopt a global feature transformation to transfer style patterns into content images (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Jianbo Wang , Huan Yang , Jianlong Fu , Toshihiko Yamasaki , Baining Guo

Semantic segmentation from very fine resolution (VFR) urban scene images plays a significant role in several application scenarios including autonomous driving, land cover classification, and urban planning, etc. However, the tremendous…

Computer Vision and Pattern Recognition · Computer Science 2022-06-06 Libo Wang , Rui Li , Dongzhi Wang , Chenxi Duan , Teng Wang , Xiaoliang Meng

Brain nuclei are clusters of anatomically distinct neurons that serve as important hubs for processing and relaying information in various neural circuits. Fine-scale parcellation of the brain nuclei is vital for a comprehensive…

Image and Video Processing · Electrical Eng. & Systems 2025-09-03 Haolin He , Ce Zhu , Le Zhang , Yipeng Liu , Xiao Xu , Yuqian Chen , Leo Zekelman , Jarrett Rushmore , Yogesh Rathi , Nikos Makris , Lauren J. O'Donnell , Fan Zhang

Convolutional neural network (CNN) based methods have achieved great successes in medical image segmentation, but their capability to learn global representations is still limited due to using small effective receptive fields of convolution…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Pengfei Gu , Yejia Zhang , Chaoli Wang , Danny Z. Chen

Convolutional Neural Networks (CNNs) are very effective for many pattern recognition tasks. However, training deep CNNs needs extensive computation and large training data. In this paper we propose Bank of Filter-Trees (BFT) as a trans- fer…

Computer Vision and Pattern Recognition · Computer Science 2017-11-28 Suresh Kirthi Kumaraswamy , PS Sastry , KR Ramakrishnan

We focus on reinforcement learning (RL) in relational problems that are naturally defined in terms of objects, their relations, and object-centric actions. These problems are characterized by variable state and action spaces, and finding a…

Machine Learning · Computer Science 2023-08-28 Jaromír Janisch , Tomáš Pevný , Viliam Lisý

Network traffic classification using pre-training models has shown promising results, but existing methods struggle to capture packet structural characteristics, flow-level behaviors, hierarchical protocol semantics, and inter-packet…

Machine Learning · Computer Science 2025-08-28 Liming Liu , Ruoyu Li , Qing Li , Meijia Hou , Yong Jiang , Mingwei Xu

Knowledge Tracing (KT) models face a critical ``Performance-Complexity Trap'': capturing complex cognitive dynamics like learning sessions and memory decay typically requires deep hierarchical architectures, which incur prohibitive…

Artificial Intelligence · Computer Science 2025-12-09 Xiao-li Xia , Hou-biao Li

In this paper, we propose an encoder-decoder neural architecture (called Channelformer) to achieve improved channel estimation for orthogonal frequency-division multiplexing (OFDM) waveforms in downlink scenarios. The self-attention…

Signal Processing · Electrical Eng. & Systems 2023-02-10 Dianxin Luan , John Thompson
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