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Vectorized high-definition map online construction has garnered considerable attention in the field of autonomous driving research. Most existing approaches model changeable map elements using a fixed number of points, or predict local maps…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Wenjie Ding , Limeng Qiao , Xi Qiu , Chi Zhang

The radio wave propagation channel is central to the performance of wireless communication systems. In this paper, we introduce a novel machine learning-empowered methodology for wireless channel modeling. The key ingredients include a…

Signal Processing · Electrical Eng. & Systems 2024-06-26 Ge Cao , Zhen Peng

We propose a distributed approach to train deep neural networks (DNNs), which has guaranteed convergence theoretically and great scalability empirically: close to 6 times faster on instance of ImageNet data set when run with 6 machines. The…

Machine Learning · Statistics 2016-10-04 Abhimanu Kumar , Pengtao Xie , Junming Yin , Eric P. Xing

With the deployment of the fifth generation (5G) wireless systems gathering momentum across the world, possible technologies for 6G are under active research discussions. In particular, the role of machine learning (ML) in 6G is expected to…

Signal Processing · Electrical Eng. & Systems 2022-06-27 Ahmet M. Elbir , Wei Shi , Kumar Vijay Mishra , Anastasios K. Papazafeiropoulos , Symeon Chatzinotas

Training graph neural networks (GNNs) on large graphs is complex and extremely time consuming. This is attributed to overheads caused by sparse matrix multiplication, which are sidestepped when training multi-layer perceptrons (MLPs) with…

Machine Learning · Computer Science 2023-04-11 Xiaotian Han , Tong Zhao , Yozen Liu , Xia Hu , Neil Shah

We introduce a method for fast estimation of data-adapted, spatio-temporally dependent regularization parameter-maps for variational image reconstruction, focusing on total variation (TV)-minimization. Our approach is inspired by recent…

Accurate wireless channel estimation is critical for next-generation wireless systems, enabling precise precoding for effective user separation, reduced interference across cells, and high-resolution sensing, among other benefits.…

Signal Processing · Electrical Eng. & Systems 2026-03-03 Alireza Javid , Nuria González-Prelcic

Maps are a key component in image-based camera localization and visual SLAM systems: they are used to establish geometric constraints between images, correct drift in relative pose estimation, and relocalize cameras after lost tracking. The…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Samarth Brahmbhatt , Jinwei Gu , Kihwan Kim , James Hays , Jan Kautz

The precoding in cell-free massive multiple-input multiple-output (MIMO) technology relies on accurate knowledge of channel responses between users (UEs) and access points (APs). Obtaining high-quality channel estimates in turn requires the…

Information Theory · Computer Science 2021-01-27 Giovanni Interdonato , Pål Frenger , Erik G. Larsson

In this paper, we devise a novel lightweight Graph Convolutional Network (GCN) design dubbed as Multi-Rate Magnitude Pruning (MRMP) that jointly trains network topology and weights. Our method is variational and proceeds by aligning the…

Computer Vision and Pattern Recognition · Computer Science 2024-01-01 Hichem Sahbi

Radio frequency (RF) signal mapping, which is the process of analyzing and predicting the RF signal strength and distribution across specific areas, is crucial for cellular network planning and deployment. Traditional approaches to RF…

Signal Processing · Electrical Eng. & Systems 2024-01-08 Yiming Li , Zeyu Li , Zhihui Gao , Tingjun Chen

Current state-of-the-art medical image segmentation methods prioritize accuracy but often at the expense of increased computational demands and larger model sizes. Applying these large-scale models to the relatively limited scale of medical…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Jiahui Zhong , Wenhong Tian , Yuanlun Xie , Zhijia Liu , Jie Ou , Taoran Tian , Lei Zhang

Next-generation wireless systems such as 6G operate at higher frequency bands, making signal propagation highly sensitive to environmental factors such as buildings and vege- tation. Accurate Radio Environment Map (REM) estimation is…

Signal Processing · Electrical Eng. & Systems 2026-04-08 Ljupcho Milosheski , Fedja Močnik , Mihael Mohorčič , Carolina Fortuna

Bi-layer metallic tube (BMT) plays an extremely crucial role in engineering applications, with rotary draw bending (RDB) the high-precision bending processing can be achieved, however, the product will further springback. Due to the complex…

Machine Learning · Computer Science 2022-09-21 Chang Sun , Zili Wang , Shuyou Zhang , Le Wang , Jianrong Tan

Achieving accurate traffic prediction is a fundamental but crucial task in the development of current intelligent transportation systems.Most of the mainstream methods that have made breakthroughs in traffic prediction rely on…

Machine Learning · Computer Science 2025-11-13 Guangyin Jin , Sicong Lai , Xiaoshuai Hao , Mingtao Zhang , Jinlei Zhang

With the rapid development of mobile communication technologies, future mobile networks will offer vast services and resources for commuting, production, daily life, and entertainment. Accurate and efficient forecasting of mobile data…

Machine Learning · Computer Science 2025-09-24 Xiaoqian Qi , Haoye Chai , Yong Li

We present a deep transformation model for probabilistic regression. Deep learning is known for outstandingly accurate predictions on complex data but in regression tasks, it is predominantly used to just predict a single number. This…

Machine Learning · Statistics 2020-04-02 Beate Sick , Torsten Hothorn , Oliver Dürr

With access to large datasets, deep neural networks (DNN) have achieved human-level accuracy in image and speech recognition tasks. However, in chemistry, data is inherently small and fragmented. In this work, we develop an approach of…

Machine Learning · Statistics 2018-08-16 Garrett B. Goh , Charles Siegel , Abhinav Vishnu , Nathan O. Hodas

Traffic state prediction in a transportation network is paramount for effective traffic operations and management, as well as informed user and system-level decision-making. However, long-term traffic prediction (beyond 30 minutes into the…

Machine Learning · Computer Science 2022-11-08 Bin Lei , Shaoyi Huang , Caiwen Ding , Monika Filipovska

Accurate channel modeling is the foundation of communication system design. However, the traditional measurement-based modeling approach has increasing challenges for the scenarios with insufficient measurement data. To obtain enough data…

Information Theory · Computer Science 2021-12-02 Zirui Wen , Ruisi He , Bo Ai , Chen Huang , Mi Yang , Zhangdui Zhong