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There is a rising interest in mapping trees using satellite or aerial imagery, but there is no standardized evaluation protocol for comparing and enhancing methods. In dense canopy areas, the high variability of tree sizes and their spatial…

计算机视觉与模式识别 · 计算机科学 2023-11-15 Dimitri Gominski , Ankit Kariryaa , Martin Brandt , Christian Igel , Sizhuo Li , Maurice Mugabowindekwe , Rasmus Fensholt

Wood is a volumetric material with a very large appearance gamut that is further enlarged by numerous finishing techniques. Computer graphics has made considerable progress in creating sophisticated and flexible appearance models that allow…

图形学 · 计算机科学 2025-10-03 Thomas K. Nindel , Mohcen Hafidi , Tomáš Iser , Alexander Wilkie

This work proposes a multi-task fully convolutional architecture for tree species mapping in dense forests from sparse and scarce polygon-level annotations using hyperspectral UAV-borne data. Our model implements a partial loss function…

Accurately quantifying tree cover is an important metric for ecosystem monitoring and for assessing progress in restored sites. Recent works have shown that deep learning-based segmentation algorithms are capable of accurately mapping trees…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Josh Veitch-Michaelis , Andrew Cottam , Daniella Schweizer , Eben N. Broadbent , David Dao , Ce Zhang , Angelica Almeyda Zambrano , Simeon Max

We propose an efficient fine-tuning method for time series foundation models, termed TRACE: Time Series Parameter Efficient Fine-tuning. While pretrained time series foundation models are gaining popularity, they face the following…

机器学习 · 计算机科学 2025-11-24 Yuze Li , Wei Zhu

A large class of data questions can be modeled as identifying important slices of data driven by user defined metrics. This paper presents TRACE, a Time-Relational Approximate Cubing Engine that enables interactive analysis on such slices…

信息检索 · 计算机科学 2024-01-15 Suharsh Sivakumar , Jonathan Shen , Rajat Monga

Delineation approaches provide significant benefits to various domains, including agriculture, environmental and natural disasters monitoring. Most of the work in the literature utilize traditional segmentation methods that require a large…

计算机视觉与模式识别 · 计算机科学 2021-07-19 Kostas Blekos , Stavros Nousias , Aris S Lalos

3D mapping of tree roots is a popular ground-penetrating radar (GPR) application. In real field tests, the recognition of tree roots suffers due to noisey reflection patterns from subsurface targets that are not of interest, such as rocks,…

信号处理 · 电气工程与系统科学 2022-03-09 Wenhao Luo , Yee Hui Lee , Lai Fern Ow , Mohamed Lokman Mohd Yusof , Abdulkadir C. Yucel

This paper describes an end-to-end pipeline for tree diameter estimation based on semantic segmentation and lidar odometry and mapping. Accurate mapping of this type of environment is challenging since the ground and the trees are…

机器人学 · 计算机科学 2020-01-01 Steven W. Chen , Guilherme V. Nardari , Elijah S. Lee , Chao Qu , Xu Liu , Roseli A. F. Romero , Vijay Kumar

Tree species classification plays an important role in nature conservation, forest inventories, forest management, and the protection of endangered species. Over the past four decades, remote sensing technologies have been extensively…

机器学习 · 计算机科学 2024-11-21 Colverd Grace , Schade Laura , Takami Jumpei , Bot Karol , Gallego Joseph

Numerical time-series models can effectively process irregular electronic health record (EHR) trajectories, but they do not naturally expose the measurements and temporal patterns supporting each risk estimate as readable evidence. Existing…

机器学习 · 计算机科学 2026-05-21 Kwanhyung Lee , Juhwan Choi , Jongheon Kim , Joohyung Lee , Hyeongwon Jang , Eunho Yang

Perception and mapping systems are among the most computationally, memory, and bandwidth intensive software components in robotics. Therefore, analysis, debugging, and optimization are crucial to improve perception systems performance in…

机器人学 · 计算机科学 2022-05-19 Pierre-Yves Lajoie , Christophe Bédard , Giovanni Beltrame

Truss decomposition is a method used to analyze large sparse graphs in order to identify successively better connected subgraphs. Since in many domains the underlying graph changes over time, its associated truss decomposition needs to be…

社会与信息网络 · 计算机科学 2019-08-29 Venkata Rohit Jakkula , George Karypis

Development of computational tools to analyze and assess the building capacities has had a major impact in civil engineering. The interaction with the structural software packages is becoming easier and the modeling tools are becoming…

计算机视觉与模式识别 · 计算机科学 2020-09-29 Mirsalar Kamari , Oguz Gunes

This work presents a method for semantic segmentation of mango trees in high resolution aerial imagery, and, a novel method for individual crown detection of mango trees using segmentation output. Mango Tree Net, a fully convolutional…

计算机视觉与模式识别 · 计算机科学 2019-07-17 Vikas Agaradahalli Gurumurthy , Ramesh Kestur , Omkar Narasipura

Autonomous drone-based tree pruning needs accurate, real-time depth estimation from stereo cameras. Depth is computed from disparity maps using $Z = f B/d$, so even small disparity errors cause noticeable depth mistakes at working…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Yida Lin , Bing Xue , Mengjie Zhang , Sam Schofield , Richard Green

Forests, as critical components of our ecosystem, demand effective monitoring and management. However, conducting real-time forest inventory in large-scale and GNSS-interrupted forest environments has long been a formidable challenge. In…

机器人学 · 计算机科学 2023-10-03 Weria Khaksar , Rasmus Astrup

Treemaps have been widely applied to the visualization of hierarchical data. A treemap takes a weighted tree and visualizes its leaves in a nested planar geometric shape, with sub-regions partitioned such that each sub-region has an area…

图形学 · 计算机科学 2023-09-01 Mehdi Behroozi , Reyhaneh Mohammadi , Cody Dunne

Accurate tree segmentation is a key step in extracting individual tree metrics from forest laser scans, and is essential to understanding ecosystem functions in carbon cycling and beyond. Over the past decade, tree segmentation algorithms…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Yihang She , Andrew Blake , David Coomes , Srinivasan Keshav

Rapid assessment after a natural disaster is key for prioritizing emergency resources. In the case of landslides, rapid assessment involves determining the extent of the area affected and measuring the size and location of individual…

计算机视觉与模式识别 · 计算机科学 2022-11-21 Vanessa Böhm , Wei Ji Leong , Ragini Bal Mahesh , Ioannis Prapas , Edoardo Nemni , Freddie Kalaitzis , Siddha Ganju , Raul Ramos-Pollan