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Reliable building height estimation is essential for various urban applications. Spaceborne SAR tomography (TomoSAR) provides weather-independent, side-looking observations that capture facade-level structure, offering a promising…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Zhaiyu Chen , Yuanyuan Wang , Yilei Shi , Xiao Xiang Zhu

Unifying the correlative single-view satellite image building extraction and height estimation tasks indicates a promising way to share representations and acquire generalist model for large-scale urban 3D reconstruction. However, the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-11 Chaoran Lu , Ningning Cao , Pan Zhang , Ting Liu , Baochai Peng , Guozhang Liu , Mengke Yuan , Sen Zhang , Simin Huang , Tao Wang

Accurate pedestrian orientation estimation of autonomous driving helps the ego vehicle obtain the intentions of pedestrians in the related environment, which are the base of safety measures such as collision avoidance and prewarning.…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Chenchen Zhao , Yeqiang Qian , Ming Yang

Few-shot segmentation aims to segment unseen-class objects given only a handful of densely labeled samples. Prototype learning, where the support feature yields a singleor several prototypes by averaging global and local object information,…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Ehtesham Iqbal , Sirojbek Safarov , Seongdeok Bang

Monocular height estimation (MHE) from very-high-resolution (VHR) optical imagery remains challenging due to limited structural cues and the high cost and geographic constraints of conventional elevation data such as airborne LiDAR and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Jian Song , Hongruixuan Chen , Naoto Yokoya

In this paper we tackle a very novel problem, namely height estimation from a single monocular remote sensing image, which is inherently ambiguous, and a technically ill-posed problem, with a large source of uncertainty coming from the…

Computer Vision and Pattern Recognition · Computer Science 2018-03-01 Lichao Mou , Xiao Xiang Zhu

Estimating building height from satellite imagery poses significant challenges, especially when monocular images are employed, resulting in a loss of essential 3D information during imaging. This loss of spatial depth further complicates…

Computer Vision and Pattern Recognition · Computer Science 2024-11-15 Mahd Qureshi , Shayaan Chaudhry , Sana Jabba , Murtaza Taj

Monocular height estimation provides an efficient and cost-effective solution for three-dimensional perception in remote sensing. However, training deep neural networks for this task demands abundant annotated data, while high-quality…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Sining Chen , Yilei Shi , Xiao Xiang Zhu

Building height (BH) and footprint (BF) are fundamental urban morphological parameters required by climate modelling, disaster-risk assessment, and population mapping, yet globally consistent data remain scarce. In this work, we develop…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Han Jinzhen , JinByeong Lee , JiSung Kim , MinKyung Cho , DaHee Kim , HongSik Yun

Two-stage detectors are state-of-the-art in object detection as well as pedestrian detection. However, the current two-stage detectors are inefficient as they do bounding box regression in multiple steps i.e. in region proposal networks and…

Computer Vision and Pattern Recognition · Computer Science 2022-09-26 Abdul Hannan Khan , Mohsin Munir , Ludger van Elst , Andreas Dengel

Deep neural networks have recently thrived on single image depth estimation. That being said, current developments on this topic highlight an apparent compromise between accuracy and network size. This work proposes an accurate and…

Computer Vision and Pattern Recognition · Computer Science 2021-08-26 Lam Huynh , Matteo Pedone , Phong Nguyen , Jiri Matas , Esa Rahtu , Janne Heikkila

Few-shot fine-grained image classification aims to recognize subcategories with high visual similarity using only a limited number of annotated samples. Existing metric learning-based methods typically rely solely on spatial domain…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Meijia Wang , Guochao Wang , Haozhen Chu , Bin Yao , Weichuan Zhang , Yuan Wang , Junpo Yang

Analyzing the planet at scale with satellite imagery and machine learning is a dream that has been constantly hindered by the cost of difficult-to-access highly-representative high-resolution imagery. To remediate this, we introduce here…

Image and Video Processing · Electrical Eng. & Systems 2025-06-03 Julien Cornebise , Ivan Oršolić , Freddie Kalaitzis

Deep convolutional neural networks (DCNNs) have achieved great success in monocular depth estimation (MDE). However, few existing works take the contributions for MDE of different levels feature maps into account, leading to inaccurate…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Yifang Xu , Chenglei Peng , Ming Li , Yang Li , Sidan Du

Accurate height estimation from monocular aerial imagery presents a significant challenge due to its inherently ill-posed nature. This limitation is rooted in the absence of adequate geometric constraints available to the model when…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Xiaomou Hou , Wanshui Gan , Naoto Yokoya

Object detection in remote sensing images relies on a large amount of labeled data for training. However, the increasing number of new categories and class imbalance make exhaustive annotation impractical. Few-shot object detection (FSOD)…

Computer Vision and Pattern Recognition · Computer Science 2023-11-17 Nanqing Liu , Xun Xu , Turgay Celik , Zongxin Gan , Heng-Chao Li

Satellite imagery analytics have numerous human development and disaster response applications, particularly when time series methods are involved. For example, quantifying population statistics is fundamental to 67 of the 231 United…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Adam Van Etten , Daniel Hogan , Jesus Martinez-Manso , Jacob Shermeyer , Nicholas Weir , Ryan Lewis

Despite substantial advances, single-image super-resolution (SISR) is always in a dilemma to reconstruct high-quality images with limited information from one input image, especially in realistic scenarios. In this paper, we establish a…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Pengxu Wei , Yujing Sun , Xingbei Guo , Chang Liu , Jie Chen , Xiangyang Ji , Liang Lin

Generating 3D city models rapidly is crucial for many applications. Monocular height estimation is one of the most efficient and timely ways to obtain large-scale geometric information. However, existing works focus primarily on training…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Zhitong Xiong , Wei Huang , Jingtao Hu , Xiao Xiang Zhu

Building height retrieval from synthetic aperture radar (SAR) imagery is of great importance for urban applications, yet highly challenging owing to the complexity of SAR data. This paper addresses the issue of building height retrieval in…

Image and Video Processing · Electrical Eng. & Systems 2021-11-19 Yao Sun , Lichao Mou , Yuanyuan Wang , Sina Montazeri , Xiao Xiang Zhu
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