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Deep learning (DL) techniques have demonstrated strong performance in compressing and reconstructing channel state information (CSI) while reducing feedback overhead in massive MIMO systems. A key challenge, however, is their reliance on…

Signal Processing · Electrical Eng. & Systems 2025-10-01 Hao Luo , Shuaifeng Jiang , Saeed R. Khosravirad , Ahmed Alkhateeb

This paper presents a new probabilistic generative model for image segmentation, i.e. the task of partitioning an image into homogeneous regions. Our model is grounded on a mid-level image representation, called a region tree, in which…

Machine Learning · Statistics 2015-06-15 Shell X. Hu , Christopher K. I. Williams , Sinisa Todorovic

In the segmentation of remotely sensed images, deep learning models are typically pre-trained using large image databases like ImageNet before fine-tuned on domain-specific datasets. However, the performance of these fine-tuned models is…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Yuan Fang , Yuanzhi Cai , Jagannath Aryal , Qinfeng Zhu , Hong Huang , Cheng Zhang , Lei Fan

A domain adaptation method for urban scene segmentation is proposed in this work. We develop a fully convolutional tri-branch network, where two branches assign pseudo labels to images in the unlabeled target domain while the third branch…

Computer Vision and Pattern Recognition · Computer Science 2018-02-28 Junting Zhang , Chen Liang , C. -C. Jay Kuo

Deep learning-based semi-supervised learning (SSL) algorithms have led to promising results in medical images segmentation and can alleviate doctors' expensive annotations by leveraging unlabeled data. However, most of the existing SSL…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Xiangde Luo , Jieneng Chen , Tao Song , Yinan Chen , Guotai Wang , Shaoting Zhang

Aerial images are often taken under poor lighting conditions and contain low resolution objects, many times occluded by other objects. In this domain, visual context could be of great help, but there are still very few papers that consider…

Computer Vision and Pattern Recognition · Computer Science 2016-07-20 Alina Elena Marcu

High-density object counting in surveillance scenes is challenging mainly due to the drastic variation of object scales. The prevalence of deep learning has largely boosted the object counting accuracy on several benchmark datasets.…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Muming Zhao , Jian Zhang , Chongyang Zhang , Wenjun Zhang

A combinatory approach of two well-known fields: deep learning and semi supervised learning is presented, to tackle the land cover identification problem. The proposed methodology demonstrates the impact on the performance of deep learning…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Eftychios Protopapadakis , Anastasios Doulamis , Nikolaos Doulamis , Evangelos Maltezos

This paper investigates tree species classification using Sentinel-2 multispectral satellite image time-series. Despite their critical importance for many applications, such maps are often unavailable, outdated, or inaccurate for large…

Image and Video Processing · Electrical Eng. & Systems 2024-11-28 Florian Mouret , David Morin , Milena Planells , Cécile Vincent-Barbaroux

Urban digital twins are virtual replicas of cities that use multi-source data and data analytics to optimize urban planning, infrastructure management, and decision-making. Towards this, we propose a framework focused on the single-building…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Kyle Gao , Dening Lu , Liangzhi Li , Nan Chen , Hongjie He , Linlin Xu , Jonathan Li

Effective channel estimation in sparse and high-dimensional environments is essential for next-generation wireless systems, particularly in large-scale MIMO deployments. This paper introduces a novel framework that leverages digital twins…

Signal Processing · Electrical Eng. & Systems 2025-04-10 Sadjad Alikhani , Ahmed Alkhateeb

This paper presents a deep learning-based method for dynamic gear measurement and uncertainty estimation. A twin-system proposed on the Unity platform is utilized to flexibly generate diverse simulated datasets. This effectively addresses…

Optics · Physics 2025-12-02 Zhangsheng Li , Jiancheng Qiu , Gao Xu Wu

The interest for change detection in the field of remote sensing has increased in the last few years. Searching for changes in satellite images has many useful applications, ranging from land cover and land use analysis to anomaly…

Computer Vision and Pattern Recognition · Computer Science 2021-07-14 Antonio Di Pilato , Nicolò Taggio , Alexis Pompili , Michele Iacobellis , Adriano Di Florio , Davide Passarelli , Sergio Samarelli

In this paper, we propose to utilize Convolutional Neural Networks (CNNs) and the segmentation-based multi-scale analysis to locate tampered areas in digital images. First, to deal with color input sliding windows of different scales, a…

Computer Vision and Pattern Recognition · Computer Science 2018-12-26 Yaqi Liu , Qingxiao Guan , Xianfeng Zhao , Yun Cao

Segmentation of ultra-high resolution images is increasingly demanded, yet poses significant challenges for algorithm efficiency, in particular considering the (GPU) memory limits. Current approaches either downsample an ultra-high…

Computer Vision and Pattern Recognition · Computer Science 2021-03-04 Wuyang Chen , Ziyu Jiang , Zhangyang Wang , Kexin Cui , Xiaoning Qian

Pavement conditions are a critical aspect of asset management and directly affect safety. This study introduces a deep neural network method called U-Net for pavement crack segmentation based on drone-captured images to reduce the cost and…

Computer Vision and Pattern Recognition · Computer Science 2020-01-13 Liming Jiang , Yuanchang Xie , Tianzhu Ren

In recent years, deep learning techniques (e.g., U-Net, DeepLab) have achieved tremendous success in image segmentation. The performance of these models heavily relies on high-quality ground truth segment labels. Unfortunately, in many…

Computer Vision and Pattern Recognition · Computer Science 2020-10-05 Zhe Jiang , Marcus Stephen Kirby , Wenchong He , Arpan Man Sainju

The emerging data-driven methods based on artificial intelligence (AI) have paved the way for intelligent, flexible, and adaptive network management in vehicular applications. To enhance network management towards network automation, this…

Networking and Internet Architecture · Computer Science 2024-03-26 Kaige Qu , Weihua Zhuang

Multi-atlas segmentation approach is one of the most widely-used image segmentation techniques in biomedical applications. There are two major challenges in this category of methods, i.e., atlas selection and label fusion. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2018-08-03 Heran Yang , Jian Sun , Huibin Li , Lisheng Wang , Zongben Xu

Taxonomic classification of ecological families, genera, and species underpins biodiversity monitoring and conservation. Existing computer vision methods typically address fine-grained recognition and long-tailed learning in isolation.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Cheng Yaw Low , Heejoon Koo , Jaewoo Park , Meeyoung Cha