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Lung cancer is one of the prevalence diseases in the world which cause many deaths. Detecting early stages of lung cancer is so necessary. So, modeling and simulating some intelligent medical systems is an essential which can help…

图像与视频处理 · 电气工程与系统科学 2023-12-07 Ehsan Sadeghi Pour , Mahdi Esmaeili

In this paper we present a method for line segment detection in images, based on a semi-supervised framework. Leveraging the use of a consistency loss based on differently augmented and perturbed unlabeled images with a small amount of…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Johanna Engman , Karl Åström , Magnus Oskarsson

While state of the art image segmentation models typically output segmentations in raster format, applications in geographic information systems often require vector polygons. To help bridge the gap between deep network output and the…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Nicolas Girard , Dmitriy Smirnov , Justin Solomon , Yuliya Tarabalka

Individual tree segmentation (ITS) from LiDAR point clouds is fundamental for applications such as forest inventory, carbon monitoring and biodiversity assessment. Traditionally, ITS has been achieved with unsupervised geometry-based…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Lassi Ruoppa , Tarmo Hietala , Verneri Seppänen , Josef Taher , Teemu Hakala , Xiaowei Yu , Antero Kukko , Harri Kaartinen , Juha Hyyppä

Buildings' segmentation is a fundamental task in the field of earth observation and aerial imagery analysis. Most existing deep learning-based methods in the literature can be applied to a fixed or narrow-range spatial resolution imagery.…

计算机视觉与模式识别 · 计算机科学 2023-10-04 Hasan Nasrallah , Mustafa Shukor , Ali J. Ghandour

3D LiDAR point cloud data is crucial for scene perception in computer vision, robotics, and autonomous driving. Geometric and semantic scene understanding, involving 3D point clouds, is essential for advancing autonomous driving…

计算机视觉与模式识别 · 计算机科学 2024-11-04 Li Li

Accurate forest canopy height estimation is essential for evaluating aboveground biomass and carbon stock dynamics, supporting ecosystem monitoring services like timber provisioning, climate change mitigation, and biodiversity conservation.…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Jose B. Castro , Cheryl Rogers , Camile Sothe , Dominic Cyr , Alemu Gonsamo

In recent years, Deep Learning (DL) has shown promising results in conducting AI tasks such as computer vision and image segmentation. Specifically, Convolutional Neural Network (CNN) models in DL have been applied to prevention,detection,…

图像与视频处理 · 电气工程与系统科学 2019-11-19 Ahmed Awad Albishri , Syed Jawad Hussain Shah , Anthony Schmiedler , Seung Suk Kang , Yugyung Lee

In this paper, we describe a strategy for training neural networks for object detection in range images obtained from one type of LiDAR sensor using labeled data from a different type of LiDAR sensor. Additionally, an efficient model for…

计算机视觉与模式识别 · 计算机科学 2019-12-06 Manuel Herzog , Klaus Dietmayer

Quantification of forest biomass stocks and their dynamics is important for implementing effective climate change mitigation measures. The knowledge is needed, e.g., for local forest management, studying the processes driving af-, re-, and…

计算机视觉与模式识别 · 计算机科学 2023-02-23 Stefan Oehmcke , Lei Li , Katerina Trepekli , Jaime Revenga , Thomas Nord-Larsen , Fabian Gieseke , Christian Igel

LiDAR provides highly accurate 3D point clouds. However, data needs to be manually labelled in order to provide subsequent useful information. Manual annotation of such data is time consuming, tedious and error prone, and hence in this…

计算机视觉与模式识别 · 计算机科学 2020-06-11 Ananya Gupta , Jonathan Byrne , David Moloney , Simon Watson , Hujun Yin

For many countries like Russia, Canada, or the USA, a robust and detailed tree species inventory is essential to manage their forests sustainably. Since one can not apply unmanned aerial vehicle (UAV) imagery-based approaches to large-scale…

计算机视觉与模式识别 · 计算机科学 2021-11-09 Abduragim Shtanchaev , Artur Bille , Olga Sutyrina , Sara Elelimy

This paper presents an automated pipeline for detecting tree whorls in proximally laser scanning data using a pose-estimation deep learning model. Accurate whorl detection provides valuable insights into tree growth patterns, wood quality,…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Stefano Puliti , Carolin Fischer , Rasmus Astrup

Deep neural network (DNN) based approaches have been widely investigated and deployed in medical image analysis. For example, fully convolutional neural networks (FCN) achieve the state-of-the-art performance in several applications of…

计算机视觉与模式识别 · 计算机科学 2020-06-11 Dong Yang , Holger Roth , Ziyue Xu , Fausto Milletari , Ling Zhang , Daguang Xu

In the rapidly evolving field of autonomous driving, precise segmentation of LiDAR data is crucial for understanding complex 3D environments. Traditional approaches often rely on disparate, standalone codebases, hindering unified…

计算机视觉与模式识别 · 计算机科学 2024-05-31 Jiahao Sun , Chunmei Qing , Xiang Xu , Lingdong Kong , Youquan Liu , Li Li , Chenming Zhu , Jingwei Zhang , Zeqi Xiao , Runnan Chen , Tai Wang , Wenwei Zhang , Kai Chen

The ability to detect and segment moving objects in a scene is essential for building consistent maps, making future state predictions, avoiding collisions, and planning. In this paper, we address the problem of moving object segmentation…

机器人学 · 计算机科学 2021-07-15 Xieyuanli Chen , Shijie Li , Benedikt Mersch , Louis Wiesmann , Jürgen Gall , Jens Behley , Cyrill Stachniss

A novel approach for forest fire detection using image processing technique is proposed. A rule-based color model for fire pixel classification is used. The proposed algorithm uses RGB and YCbCr color space. The advantage of using YCbCr…

计算机视觉与模式识别 · 计算机科学 2024-06-10 Vipin V

Accurate identification of deforestation from satellite images is essential in order to understand the geographical situation of an area. This paper introduces a new distributed approach to identify as well as locate deforestation across…

计算机视觉与模式识别 · 计算机科学 2025-09-18 Yuvraj Dutta , Aaditya Sikder , Basabdatta Palit

Forest inventories rely on accurate measurements of the diameter at breast height (DBH) for ecological monitoring, resource management, and carbon accounting. While LiDAR-based techniques can achieve centimeter-level precision, they are…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Siming He , Zachary Osman , Fernando Cladera , Dexter Ong , Nitant Rai , Patrick Corey Green , Vijay Kumar , Pratik Chaudhari