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Landslide detection from satellite imagery has advanced through deep learning, yet most models rely on large, highly correlated spectral-topographic inputs whose contributions remain poorly understood. The question of which channels are…

Machine Learning · Computer Science 2026-05-12 Arsalaan Ahmad , Oktay Karakus , Paul L. Rosin

Semantic Communication (SC) focuses on transmitting only the semantic information rather than the raw data. This approach offers an efficient solution to the issue of spectrum resource utilization caused by the various intelligent…

Machine Learning · Computer Science 2024-10-04 Yubo Peng , Feibo Jiang , Li Dong , Kezhi Wang , Kun Yang

Integrated sensing and communications is a key enabler for the 6G wireless communication systems. The multiple sensing modalities will allow the base station to have a more accurate representation of the environment, leading to…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Mohammad Farzanullah , Han Zhang , Akram Bin Sediq , Ali Afana , Melike Erol-Kantarci

In this work, a new data-driven fiber channel modeling method, generative adversarial network (GAN) is investigated to learn the distribution of fiber channel transfer function. Our investigation focuses on joint channel effects of…

Information Theory · Computer Science 2022-01-19 Hang Yang , Zekun Niu , Shilin Xiao , Jiafei Fang , Zhiyang Liu , David Faninsin , Lilin Yi

Distributed transmit beamforming is a technique that adjusts the signals from cooperating radios to combine coherently at a destination radio. To achieve coherent combining, the radios can exchange preambles with the destination for…

Signal Processing · Electrical Eng. & Systems 2022-05-11 Samer Hanna , Danijela Cabric

A site-specific Type-II codebook design is proposed for downlink massive multiple-input multiple-output (MIMO) limited-feedback beamforming. The key idea is to embed a learned site-specific propagation prior into the Type-II channel state…

Signal Processing · Electrical Eng. & Systems 2026-04-24 Cheng-Jie Zhao , Zhaolin Wang , Zongyao Zhao , Yuanwei Liu

Reliable image transmission over wireless channels is particularly challenging at extremely low transmission rates, where conventional compression and channel coding schemes fail to preserve adequate visual quality. To address this issue,…

Information Theory · Computer Science 2025-10-27 Shengkang Chen , Tong Wu , Zhiyong Chen , Feng Yang , Meixia Tao , Wenjun Zhang

Channel knowledge map (CKM) is a promising technology to enable environment-aware wireless communications and sensing with greatly enhanced performance, by offering location-specific channel prior information for future wireless networks.…

Signal Processing · Electrical Eng. & Systems 2025-04-25 Shen Fu , Yong Zeng , Zijian Wu , Di Wu , Shi Jin , Cheng-Xiang Wang , Xiqi Gao

Due to power attenuation, improving transmission efficiency in the radio-frequency (RF) band remains a significant challenge, which hinders advancements in various fields of the Internet of Things (IoT), such as wireless power transfer…

Numerical Analysis · Mathematics 2025-01-28 Qingwei Jiang , Mingqing Liu , Mengyuan Xu , Wen Fang , Mingliang Xiong , Qingwen Liu , Shengli Zhou

In materials science, the challenge of rapid prototyping materials with desired properties often involves extensive experimentation to find suitable microstructures. Additionally, finding microstructures for given properties is typically an…

Machine Learning · Computer Science 2024-05-22 Sébastien Bompas , Stefan Sandfeld

Probabilistic diffusion models have achieved state-of-the-art results for image synthesis, inpainting, and text-to-image tasks. However, they are still in the early stages of generating complex 3D shapes. This work proposes Diffusion-SDF, a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Gene Chou , Yuval Bahat , Felix Heide

In order to fully utilize spatial information for segmentation and address the challenge of handling areas with significant grayscale variations in remote sensing segmentation, we propose the SFFNet (Spatial and Frequency Domain Fusion…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Yunsong Yang , Genji Yuan , Jinjiang Li

Accurately predicting beam-level reference signal received power (RSRP) is essential for beam management in dense multi-user wireless networks, yet challenging due to high measurement overhead and fast channel variations. This paper…

Information Theory · Computer Science 2025-10-13 Keqiang Guo , Yuheng Zhong , Xin Tong , Jiangbin Lyu , Rui Zhang

Camera pipelines receive raw Bayer-format frames that need to be denoised, demosaiced, and often super-resolved. Multiple frames are captured to utilize natural hand tremors and enhance resolution. Multi-frame super-resolution is therefore…

Image and Video Processing · Electrical Eng. & Systems 2026-03-20 Harshana Weligampola , Joshua Peter Ebenezer , Weidi Liu , Abhinau K. Venkataramanan , Sreenithy Chandran , Seok-Jun Lee , Hamid Rahim Sheikh

Semantic communication is widely touted as a key technology for propelling the sixth-generation (6G) wireless networks. However, providing effective semantic representation is quite challenging in practice. To address this issue, this…

Information Theory · Computer Science 2024-06-18 Jinke Ren , Zezhong Zhang , Jie Xu , Guanying Chen , Yaping Sun , Ping Zhang , Shuguang Cui

Positioning is an essential service for various applications and is expected to be integrated with existing communication infrastructures in 5G and 6G. Though current Wi-Fi and cellular base stations (BSs) can be used to support this…

Signal Processing · Electrical Eng. & Systems 2023-10-11 Jingzhi Hu , Zhe Chen , Tianyue Zheng , Robert Schober , Jun Luo

Recent image generation models show remarkable generation performance. However, they mirror strong location preference in datasets, which we call spatial bias. Therefore, generators render poor samples at unseen locations and scales. We…

Machine Learning · Computer Science 2021-08-04 Jooyoung Choi , Jungbeom Lee , Yonghyun Jeong , Sungroh Yoon

We introduce SynFormer, a generative modeling framework designed to efficiently explore and navigate synthesizable chemical space. Unlike traditional molecular generation approaches, we generate synthetic pathways for molecules to ensure…

Machine Learning · Computer Science 2024-10-07 Wenhao Gao , Shitong Luo , Connor W. Coley

This paper investigates deep learning enabled beamforming design for ultra-dense wireless networks by integrating prior knowledge and graph neural network (GNN), named model-based GNN. A energy efficiency (EE) maximization problem is…

Signal Processing · Electrical Eng. & Systems 2024-10-04 Rongsheng Zhang , Yang Lu , Wei Chen , Bo Ai , Zhiguo Ding

Recent Few-Shot Learning (FSL) methods put emphasis on generating a discriminative embedding features to precisely measure the similarity between support and query sets. Current CNN-based cross-attention approaches generate discriminative…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Jinxiang Lai , Siqian Yang , Wenlong Wu , Tao Wu , Guannan Jiang , Xi Wang , Jun Liu , Bin-Bin Gao , Wei Zhang , Yuan Xie , Chengjie Wang