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Measuring tree morphology for phenotyping is an essential but labor-intensive activity in horticulture. Researchers often rely on manual measurements which may not be accurate for example when measuring tree volume. Recent approaches on…

Robotics · Computer Science 2018-04-18 Wenbo Dong , Volkan Isler

Multi-person pose estimation in the wild is challenging. Although state-of-the-art human detectors have demonstrated good performance, small errors in localization and recognition are inevitable. These errors can cause failures for a…

Computer Vision and Pattern Recognition · Computer Science 2018-02-06 Hao-Shu Fang , Shuqin Xie , Yu-Wing Tai , Cewu Lu

Earthquakes are commonly estimated using physical seismic stations, however, due to the installation requirements and costs of these stations, global coverage quickly becomes impractical. An efficient and lower-cost alternative is to…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Daniele Rege Cambrin , Isaac Corley , Paolo Garza , Peyman Najafirad

Tropical forests are a key component of the global carbon cycle. With plans for upcoming space-borne missions like BIOMASS to monitor forestry, several airborne missions, including TropiSAR and AfriSAR campaigns, have been successfully…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Wenyu Yang , Sergio Vitale , Hossein Aghababaei , Giampaolo Ferraioli , Vito Pascazio , Gilda Schirinzi

Acquiring channel knowledge is required by many applications. For instance, handover in cellular networks is mainly decided based on the knowledge of pathloss. In contrast to traditional statistical distance-determined models that might…

Signal Processing · Electrical Eng. & Systems 2026-05-19 Huiting Rao , Junyuan Wang , Huiling Zhu , Cheng-Xiang Wang

Though semantic segmentation has been heavily explored in vision literature, unique challenges remain in the remote sensing domain. One such challenge is how to handle resolution mismatch between overhead imagery and ground-truth label…

Computer Vision and Pattern Recognition · Computer Science 2022-11-30 Scott Workman , Armin Hadzic , M. Usman Rafique

This paper proposes a multi-spectral random forest classifier with suitable feature selection and masking for tree cover estimation in urban areas. The key feature of the proposed classifier is filtering out the built-up region using…

Computer Vision and Pattern Recognition · Computer Science 2023-06-12 Usman Nazir , Momin Uppal , Muhammad Tahir , Zubair Khalid

While heatmap-based human pose estimation methods have shown strong performance, they suffer from three main problems: (P1) "Commonly used Mean Squared Error (MSE)" Loss may not always improve joint localization because it penalizes all…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Muhammed Can Keles , Bedrettin Cetinkaya , Sinan Kalkan , Emre Akbas

Simultaneous localization and mapping (SLAM) approaches for mobile robots remains challenging in forest or arboreal fruit farming environments, where tree canopies obstruct Global Navigation Satellite Systems (GNSS) signals. Unlike indoor…

For manifold learning, it is assumed that high-dimensional sample/data points are embedded on a low-dimensional manifold. Usually, distances among samples are computed to capture an underlying data structure. Here we propose a metric…

Machine Learning · Computer Science 2019-09-20 Fenglei Fan , Ziyu Su , Yueyang Teng , Ge Wang

Measuring semantic traits for phenotyping is an essential but labor-intensive activity in horticulture. Researchers often rely on manual measurements which may not be accurate for tasks such as measuring tree volume. To improve the accuracy…

Robotics · Computer Science 2020-02-03 Wenbo Dong , Pravakar Roy , Volkan Isler

Measurement of the global 21-cm signal during Cosmic Dawn (CD) and the Epoch of Reionization (EoR) is made difficult by bright foreground emission which is 2-5 orders of magnitude larger than the expected signal. Fitting for a…

Cosmology and Nongalactic Astrophysics · Physics 2024-02-20 Michael Pagano , Peter Sims , Adrian Liu , Dominic Anstey , Will Handley , Eloy De Lera Acedo

Heatmap regression has become the most prevalent choice for nowadays human pose estimation methods. The ground-truth heatmaps are usually constructed via covering all skeletal keypoints by 2D gaussian kernels. The standard deviations of…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Zhengxiong Luo , Zhicheng Wang , Yan Huang , Tieniu Tan , Erjin Zhou

Building coverage statistics provide crucial insights into the urbanization, infrastructure, and poverty level of a region, facilitating efforts towards alleviating poverty, building sustainable cities, and allocating infrastructure…

Computer Vision and Pattern Recognition · Computer Science 2023-01-06 Enci Liu , Chenlin Meng , Matthew Kolodner , Eun Jee Sung , Sihang Chen , Marshall Burke , David Lobell , Stefano Ermon

Unmanned aerial vehicle (UAV) photogrammetry allows for the creation of orthophotos and digital surface models (DSMs) of a terrain. However, DSMs of water bodies mapped with this technique reveal water surface distortions, preventing the…

Machine Learning · Computer Science 2023-06-13 Radosław Szostak , Marcin Pietroń , Przemysław Wachniew , Mirosław Zimnoch , Paweł Ćwiąkała

Contour trees describe the topology of level sets in scalar fields and are widely used in topological data analysis and visualization. A main challenge of utilizing contour trees for large-scale scientific data is their computation at scale…

Computational Geometry · Computer Science 2024-10-01 Mingzhe Li , Hamish Carr , Oliver Rübel , Bei Wang , Gunther H. Weber

Determining the optimal model for a given task often requires training multiple models from scratch, which becomes impractical as dataset and model sizes grow. A more efficient alternative is to expand smaller pre-trained models, but this…

Machine Learning · Computer Science 2025-06-17 Pranshu Malviya , Jerry Huang , Aristide Baratin , Quentin Fournier , Sarath Chandar

In this paper, we propose a novel regression-based method for employing privileged information to estimate the height using human metrology. The actual values of the anthropometric measurements are difficult to estimate accurately using…

Computer Vision and Pattern Recognition · Computer Science 2017-02-10 Nikolaos Sarafianos , Christophoros Nikou , Ioannis A. Kakadiaris

In this paper we propose a supervised learning system for counting and localizing palm trees in high-resolution, panchromatic satellite imagery (40cm/pixel to 1.5m/pixel). A convolutional neural network classifier trained on a set of palm…

Computer Vision and Pattern Recognition · Computer Science 2017-01-24 Eu Koon Cheang , Teik Koon Cheang , Yong Haur Tay

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