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Recently, deep convolutional neural network (CNN) have been widely used in image restoration and obtained great success. However, most of existing methods are limited to local receptive field and equal treatment of different types of…

Image and Video Processing · Electrical Eng. & Systems 2021-01-26 Yucheng Hang , Qingmin Liao , Wenming Yang , Yupeng Chen , Jie Zhou

Mapping standing dead trees is crucial for acquiring information on the effects of climate change on forests and forest biodiversity. However, leveraging high-quality aerial imagery for dead tree segmentation poses challenges due to…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Mete Ahishali , Anis Ur Rahman , Einari Heinaro , Aysen Degerli , Samuli Junttila

The acute respiratory distress syndrome (ARDS) is a severe form of hypoxemic respiratory failure with in-hospital mortality of 35-46%. High mortality is thought to be related in part to challenges in making a prompt diagnosis, which may in…

Machine Learning · Computer Science 2021-09-28 Gregory B. Rehm , Chao Wang , Irene Cortes-Puch , Chen-Nee Chuah , Jason Adams

Current optical vegetation indices (VIs) for monitoring forest ecosystems are well established and widely used in various applications, but can be limited by atmospheric effects such as clouds. In contrast, synthetic aperture radar (SAR)…

Machine Learning · Statistics 2025-02-27 Daniel Paluba , Bertrand Le Saux , Přemysl Stych

Soil moisture sensing through biomass or vegetation canopy has challenged researchers, even those who use SAR sensors with penetration capabilities. This is mainly due to the imposed extra time and phase offsets on Radio Frequency (RF)…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Luke Jacobs , Mohamad Alipour , Adam Watts , Elahe Soltanaghai

Assessing the environmental impact of the mineral extraction industry plays a critical role in understanding and mitigating the ecological consequences of extractive activities. This paper presents MineSegSAT, a model that presents a novel…

Computer Vision and Pattern Recognition · Computer Science 2023-11-06 Ezra MacDonald , Derek Jacoby , Yvonne Coady

Underwater image processing and analysis have been a hotspot of study in recent years, as more emphasis has been focused to underwater monitoring and usage of marine resources. Compared with the open environment, underwater image…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Muhammad Hamza , Ammar Hawbani , Sami Ul Rehman , Xingfu Wang , Liang Zhao

Understanding differences between sub-stellar spectral data and models has proven to be a major challenge, especially for self-consistent model grids that are necessary for a thorough investigation of brown dwarf atmospheres. Using the…

Solar and Stellar Astrophysics · Physics 2023-07-07 Anna Lueber , Daniel Kitzmann , Chloe E. Fisher , Brendan P. Bowler , Adam J. Burgasser , Mark Marley , Kevin Heng

We propose a novel attention mechanism to enhance Convolutional Neural Networks for fine-grained recognition. It learns to attend to lower-level feature activations without requiring part annotations and uses these activations to update and…

Computer Vision and Pattern Recognition · Computer Science 2018-07-25 Pau Rodríguez , Josep M. Gonfaus , Guillem Cucurull , F. Xavier Roca , Jordi Gonzàlez

Accurate estimation of pasture biomass from agricultural imagery is critical for sustainable livestock management, yet existing methods are limited by the small, imbalanced, and sparsely annotated datasets typical of real world monitoring.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Mridankan Mandal

Fine-grained visual categorization (FGVC) is an important but challenging task due to high intra-class variances and low inter-class variances caused by deformation, occlusion, illumination, etc. An attention convolutional binary neural…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Ruyi Ji , Longyin Wen , Libo Zhang , Dawei Du , Yanjun Wu , Chen Zhao , Xianglong Liu , Feiyue Huang

Expensive-to-train deep learning models can benefit from an optimization of the hyperparameters that determine the model architecture. We optimize 23 hyperparameters of a materials informatics model, Compositionally-Restricted…

Materials Science · Physics 2023-03-20 Sterling G. Baird , Marianne Liu , Taylor D. Sparks

Deep learning methods based on Convolutional Neural Networks (CNNs) have shown great potential to improve early and accurate diagnosis of Alzheimer's disease (AD) dementia based on imaging data. However, these methods have yet to be widely…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Wenjie Kang , Lize Jiskoot , Peter De Deyn , Geert Biessels , Huiberdina Koek , Jurgen Claassen , Huub Middelkoop , Wiesje Flier , Willemijn J. Jansen , Stefan Klein , Esther Bron

Pocket-sized, low-cost point-of-care ultrasound (POCUS) devices are increasingly used in musculoskeletal (MSK) applications for structural examination of bone tissue. However, the image quality in MSK ultrasound is often limited by speckle…

Weakly supervised semantic segmentation is receiving great attention due to its low human annotation cost. In this paper, we aim to tackle bounding box supervised semantic segmentation, i.e., training accurate semantic segmentation models…

Computer Vision and Pattern Recognition · Computer Science 2021-06-09 Bingfeng Zhang , Jimin Xiao , Jianbo Jiao , Yunchao Wei , Yao Zhao

Decision trees and forests have achieved successes in various real applications, most working with all testing classes known in training data. In this work, we focus on learning with augmented class via forests, where an augmented class may…

Machine Learning · Computer Science 2025-07-15 Fan Xu , Wuyang Chen , Wei Gao

Accurately estimating forest biomass is crucial for global carbon cycle modelling and climate change mitigation. Tree height, a key factor in biomass calculations, can be measured using Synthetic Aperture Radar (SAR) technology. This study…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Grace Colverd , Jumpei Takami , Laura Schade , Karol Bot , Joseph A. Gallego-Mejia

In this paper, we propose a computational efficient end-to-end training deep neural network (CEDNN) model and spatial attention maps based on difference images. Firstly, the difference image is generated by image processing. Then five…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Jing Chen , Chenhui Wang , Kejun Wang , Meichen Liu

Efficient deep learning traditionally relies on static heuristics like weight magnitude or activation awareness (e.g., Wanda, RIA). While successful in unstructured settings, we observe a critical limitation when applying these metrics to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Tianhao Qian , Zhuoxuan Li , Jinde Cao , Xinli Shi , Leszek Rutkowski

Accompanying rapid industrialization, humans are suffering from serious air pollution problems. The demand for air quality prediction is becoming more and more important to the government's policy-making and people's daily life. In this…

Machine Learning · Computer Science 2022-12-09 Kan Huang , Kai Zhang , Ming Liu