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We present a mapping system capable of constructing detailed instance-level semantic models of room-sized indoor environments by means of an RGB-D camera. In this work, we integrate deep-learning-based instance segmentation and…

Robotics · Computer Science 2019-11-22 Dinh-Cuong Hoang , Todor Stoyanov , Achim J. Lilienthal

We introduce a high throughput 3D scanning solution specifically designed to precisely measure cattle phenotypes. This scanner leverages an array of depth sensors, i.e. time-of-flight (Tof) sensors, each governed by dedicated embedded…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Gbenga Omotara , Seyed Mohamad Ali Tousi , Jared Decker , Derek Brake , Guilherme N. DeSouza

Automated phenotyping of plants for breeding and plant studies promises to provide quantitative metrics on plant traits at a previously unattainable observation frequency. Developers of tools for performing high-throughput phenotyping are,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-04 Katherine Margaret Frances James , Karoline Heiwolt , Daniel James Sargent , Grzegorz Cielniak

High efficiency in precision farming depends on accurate tools to perform weed detection and mapping of crops. This allows for precise removal of harmful weeds with a lower amount of pesticides, as well as increase of the harvest's yield by…

Robotics · Computer Science 2018-12-14 F. Langer , L. Mandtler , A. Milioto , E. Palazzolo , C. Stachniss

Camera traps are a proven tool in biology and specifically biodiversity research. However, camera traps including depth estimation are not widely deployed, despite providing valuable context about the scene and facilitating the automation…

Computer Vision and Pattern Recognition · Computer Science 2021-02-11 Timm Haucke , Volker Steinhage

Estimating depth from RGB images is a long-standing ill-posed problem, which has been explored for decades by the computer vision, graphics, and machine learning communities. Among the existing techniques, stereo matching remains one of the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-26 Hamid Laga , Laurent Valentin Jospin , Farid Boussaid , Mohammed Bennamoun

Depth sensing is crucial for 3D reconstruction and scene understanding. Active depth sensors provide dense metric measurements, but often suffer from limitations such as restricted operating ranges, low spatial resolution, sensor…

Computer Vision and Pattern Recognition · Computer Science 2019-01-10 Chao Liu , Jinwei Gu , Kihwan Kim , Srinivasa Narasimhan , Jan Kautz

Accurate estimation of wheat spike volume is important for yield component analysis and stress resilience assessment, yet field-based measurement remains challenging. Active 3D sensing methods such as Light Detection and Ranging (LiDAR) or…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Olivia Zumsteg , Jannis Widmer , Yann Bourdé , Norbert Kirchgessner , Andreas Hund , Lukas Roth , Paraskevi Nousi

Estimation of a single leaf area can be a measure of crop growth and a phenotypic trait to breed new varieties. It has also been used to measure leaf area index and total leaf area. Some studies have used hand-held cameras, image processing…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Namal Jayasuriya , Yi Guo , Wen Hu , Oula Ghannoum

Biomass estimation of oilseed rape is crucial for optimizing crop productivity and breeding strategies. While UAV-based imaging has advanced high-throughput phenotyping, current methods often rely on orthophoto images, which struggle with…

Computer Vision and Pattern Recognition · Computer Science 2024-11-14 Yutao Shen , Hongyu Zhou , Xin Yang , Xuqi Lu , Ziyue Guo , Lixi Jiang , Yong He , Haiyan Cen

Accurate body dimension and weight measurements are critical for optimizing poultry management, health assessment, and economic efficiency. This study introduces an innovative deep learning-based model leveraging multimodal data-2D RGB…

Computer Vision and Pattern Recognition · Computer Science 2025-05-12 Wenbo Xiao , Qiannan Han , Gang Shu , Guiping Liang , Hongyan Zhang , Song Wang , Zhihao Xu , Weican Wan , Chuang Li , Guitao Jiang , Yi Xiao

The use of multiple camera technologies in a combined multimodal monitoring system for plant phenotyping offers promising benefits. Compared to configurations that only utilize a single camera technology, cross-modal patterns can be…

Computer Vision and Pattern Recognition · Computer Science 2024-07-04 Eric Stumpe , Gernot Bodner , Francesco Flagiello , Matthias Zeppelzauer

Estimating three-dimensional morphological traits such as volume from two-dimensional RGB images presents inherent challenges due to the loss of depth information, projection distortions, and occlusions under field conditions. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Olivia Zumsteg , Nico Graf , Aaron Haeusler , Norbert Kirchgessner , Nicola Storni , Lukas Roth , Andreas Hund

A looming question that must be solved before robotic plant phenotyping capabilities can have significant impact to crop improvement programs is scalability. High Throughput Phenotyping (HTP) uses robotic technologies to analyze crops in…

Machine Learning · Computer Science 2019-01-23 Sumit Kumar , Wenhao Luo , George Kantor , Katia Sycara

Stairs are common building structures in urban environments, and stair detection is an important part of environment perception for autonomous mobile robots. Most existing algorithms have difficulty combining the visual information from…

Computer Vision and Pattern Recognition · Computer Science 2022-12-12 Chen Wang , Zhongcai Pei , Shuang Qiu , Zhiyong Tang

Plant phenotyping, that is, the quantitative assessment of plant traits including growth, morphology, physiology, and yield, is a critical aspect towards efficient and effective crop management. Currently, plant phenotyping is a manually…

Computer Vision and Pattern Recognition · Computer Science 2021-04-15 Annalisa Milella , Roberto Marani , Antonio Petitti , Giulio Reina

Deep learning-based networks are among the most prominent methods to learn linear patterns and extract this type of information from diverse imagery conditions. Here, we propose a deep learning approach based on graphs to detect plantation…

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

Plant phenotyping refers to a quantitative description of the plants properties, however in image-based phenotyping analysis, our focus is primarily on the plants anatomical, ontogenetical and physiological properties.This technique…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Petros N. Tamvakis , Chairi Kiourt , Alexandra D. Solomou , George Ioannakis , Nestoras C. Tsirliganis

This letter presents a novel method to estimate the relative poses between RGB-D cameras with minimal overlapping fields of view in a panoramic RGB-D camera system. This calibration problem is relevant to applications such as indoor 3D…

Image and Video Processing · Electrical Eng. & Systems 2018-09-11 Hang Liu , Hengyu Li , Xiahua Liu , Jun Luo , Shaorong Xie , Yu Sun