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Dynamic time warping (DTW) is a useful method for aligning, comparing and combining time series, but it requires them to live in comparable spaces. In this work, we consider a setting in which time series live on different spaces without a…

Machine Learning · Computer Science 2021-02-24 Samuel Cohen , Giulia Luise , Alexander Terenin , Brandon Amos , Marc Peter Deisenroth

Machine learning has great potential to increase crop production and resilience to climate change. Accurate maps of where crops are grown are a key input to a number of downstream policy and research applications. In this proposal, we…

Reliable long-term deployment of autonomous robots in agricultural environments remains challenging due to perceptual aliasing, seasonal variability, and the dynamic nature of crop canopies. Vineyards, characterized by repetitive row…

Robotics · Computer Science 2026-03-06 Giorgio Audrito , Mauro Martini , Alessandro Navone , Giorgia Galluzzo , Marcello Chiaberge

Early identification of drought stress in crops is vital for implementing effective mitigation measures and reducing yield loss. Non-invasive imaging techniques hold immense potential by capturing subtle physiological changes in plants…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Aswini Kumar Patra , Lingaraj Sahoo

This study introduces an innovative Cumulative Link Modeling approach to monitor crop progress over large areas using remote sensing data. The models utilize the predictive attributes of calendar time, thermal time, and the Normalized…

Applications · Statistics 2024-12-06 Ioannis Oikonomidis , Samis Trevezas

Data-driven deep learning methods have shown great potential in cropland mapping. However, due to multiple factors such as attributes of cropland (topography, climate, crop type) and imaging conditions (viewing angle, illumination, scale),…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Chao Tao , Aoran Hu , Rong Xiao , Haifeng Li , Yuze Wang

The goal of image cropping is to identify visually appealing crops in an image. Conventional methods are trained on specific datasets and fail to adapt to new requirements. Recent breakthroughs in large vision-language models (VLMs) enable…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Seung Hyun Lee , Jijun Jiang , Yiran Xu , Zhuofang Li , Junjie Ke , Yinxiao Li , Junfeng He , Steven Hickson , Katie Datsenko , Sangpil Kim , Ming-Hsuan Yang , Irfan Essa , Feng Yang

The Dynamic Vehicle Routing Problem with Time Windows (DVRPTW) is an extension of the well-known Vehicle Routing Problem (VRP), which takes into account the dynamic nature of the problem. This aspect requires the vehicle routes to be…

Neural and Evolutionary Computing · Computer Science 2017-04-07 Raluca Necula , Mihaela Breaban , Madalina Raschip

Precision agriculture relies heavily on effective weed management to ensure robust crop yields. This study presents RoWeeder, an innovative framework for unsupervised weed mapping that combines crop-row detection with a noise-resilient deep…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Pasquale De Marinis , Gennaro Vessio , Giovanna Castellano

Unmanned and intelligent agricultural systems are crucial for enhancing agricultural efficiency and for helping mitigate the effect of labor shortage. However, unlike urban environments, agricultural fields impose distinct and unique…

Robotics · Computer Science 2024-12-05 Hanzhe Teng , Yipeng Wang , Dimitrios Chatziparaschis , Konstantinos Karydis

There has been renewed recent interest in developing effective lower bounds for Dynamic Time Warping (DTW) distance between time series. These have many applications in time series indexing, clustering, forecasting, regression and…

Machine Learning · Computer Science 2019-02-15 Chang Wei Tan , Francois Petitjean , Geoffrey I. Webb

The dynamic and heterogeneous nature of agricultural fields presents significant challenges for object detection and localization, particularly for autonomous mobile robots that are tasked with surveying previously unseen unstructured…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Dimitrios Chatziparaschis , Elia Scudiero , Brent Sams , Konstantinos Karydis

The goal of temporal alignment is to establish time correspondence between two sequences, which has many applications in a variety of areas such as speech processing, bioinformatics, computer vision, and computer graphics. In this paper, we…

Machine Learning · Statistics 2012-06-20 Makoto Yamada , Leonid Sigal , Michalis Raptis , Masashi Sugiyama

Distance-based time series anomaly detection methods are prevalent due to their relative non-parametric nature and interpretability. However, the commonly used Euclidean distance is sensitive to noise. While existing works have explored…

Machine Learning · Computer Science 2024-03-05 Hanyang Yuan , Qinglin Cai , Keting Yin

Accurate global crop type mapping supports agricultural monitoring and food security, yet remains limited by the scarcity of labeled data in many regions. A key challenge is enabling models trained in one geography to generalize reliably to…

Machine Learning · Computer Science 2026-04-15 Xin-Yi Tong , Sherrie Wang

We present an application of gesture recognition using an extension of Dynamic Time Warping (DTW) to recognize behavioural patterns of Attention Deficit Hyperactivity Disorder (ADHD). We propose an extension of DTW using one-class…

Computer Vision and Pattern Recognition · Computer Science 2014-11-06 Miguel Ángel Bautista , Antonio Hernández-Vela , Sergio Escalera , Laura Igual , Oriol Pujol , Josep Moya , Verónica Violant , María Teresa Anguera

Wheat accounts for approximately 20% of the world's caloric intake, making it a vital component of global food security. Given this importance, mapping wheat fields plays a crucial role in enabling various stakeholders, including policy…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Hasan Wehbi , Hasan Nasrallah , Mohamad Hasan Zahweh , Zeinab Takach , Veera Ganesh Yalla , Ali J. Ghandour

Mapping crops using remote sensing technology is important for food security and land management. Machine learning-based methods has become a popular approach for crop mapping in recent years. However, the key to machine learning, acquiring…

Computer Vision and Pattern Recognition · Computer Science 2023-02-22 Yunze Zang , Yifei Liu , Xuehong Chen , Anqi Li , Yichen Zhai , Shijie Li , Luling Liu , Chuanhai Zhu , Ruilin Chen , Shupeng Li , Na Jie

Motif discovery is a fundamental step in data mining tasks for time-series data such as clustering, classification and anomaly detection. Even though many papers have addressed the problem of how to find motifs in time-series by proposing…

Machine Learning · Computer Science 2020-04-20 Maria Inês Silva , Roberto Henriques

Severe weather events can cause large financial losses to farmers. Detailed information on the location and severity of damage will assist farmers, insurance companies, and disaster response agencies in making wise post-damage decisions.…

Computer Vision and Pattern Recognition · Computer Science 2020-04-23 Ali HamidiSepehr , Seyed Vahid Mirnezami , Jason K. Ward