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Deep learning techniques have become the to-go models for most vision-related tasks on 2D images. However, their power has not been fully realised on several tasks in 3D space, e.g., 3D scene understanding. In this work, we jointly address…

计算机视觉与模式识别 · 计算机科学 2019-04-08 Quang-Hieu Pham , Duc Thanh Nguyen , Binh-Son Hua , Gemma Roig , Sai-Kit Yeung

This paper presents multi-vision-based localisation strategies for harvesting robots. Identifying picking points accurately is essential for robotic harvesting because insecure grasping can lead to economic loss through fruit damage and…

机器人学 · 计算机科学 2025-02-19 C. Beldek , A. Dunn , J. Cunningham , E. Sariyildiz , S. L. Phung , G. Alici

Active perception for fruit mapping and harvesting is a difficult task since occlusions occur frequently and the location as well as size of fruits change over time. State-of-the-art viewpoint planning approaches utilize computationally…

机器人学 · 计算机科学 2023-08-31 Rohit Menon , Tobias Zaenker , Nils Dengler , Maren Bennewitz

Recent advancements in deep learning-based approaches have led to remarkable progress in fruit detection, enabling robust fruit identification in complex environments. However, much less progress has been made on fruit 3D localization,…

机器人学 · 计算机科学 2023-11-16 Pengyu Chu , Zhaojian Li , Kaixiang Zhang , Kyle Lammers , Renfu Lu

Reliable and automated 3D plant shoot segmentation is a core prerequisite for the extraction of plant phenotypic traits at the organ level. Combining deep learning and point clouds can provide effective ways to address the challenge.…

计算机视觉与模式识别 · 计算机科学 2022-12-21 Liyi Luo , Xintong Jiang , Yu Yang , Eugene Roy Antony Samy , Mark Lefsrud , Valerio Hoyos-Villegas , Shangpeng Sun

Part mobility analysis is a significant aspect required to achieve a functional understanding of 3D objects. It would be natural to obtain part mobility from the continuous part motion of 3D objects. In this study, we introduce a…

计算机视觉与模式识别 · 计算机科学 2021-03-03 Yahao Shi , Xinyu Cao , Bin Zhou

3D Cloth modeling and simulation is essential for avatars creation in several fields, such as fashion, entertainment, and animation. Achieving high-quality results is challenging due to the large variability of clothed body especially in…

图形学 · 计算机科学 2025-08-08 Davide Garavaso , Federico Masi , Pietro Musoni , Umberto Castellani

3D point cloud semantic segmentation is a challenging topic in the computer vision field. Most of the existing methods in literature require a large amount of fully labeled training data, but it is extremely time-consuming to obtain these…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Shuang Deng , Qiulei Dong , Bo Liu , Zhanyi Hu

Segmentation of plant point clouds to obtain high-precise morphological traits is essential for plant phenotyping. Although the fast development of deep learning has boosted much research on segmentation of plant point clouds, previous…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Ruiming Du , Zhihong Ma , Pengyao Xie , Yong He , Haiyan Cen

Food crystal agglomeration is a phenomenon occurs during crystallization which traps water between crystals and affects food product quality. Manual annotation of agglomeration in 2D microscopic images is particularly difficult due to the…

计算机视觉与模式识别 · 计算机科学 2025-08-01 Xiaoyu Ji , Ali Shakouri , Fengqing Zhu

Plant phenotyping is a central task in agriculture, as it describes plants' growth stage, development, and other relevant quantities. Robots can help automate this process by accurately estimating plant traits such as the number of leaves,…

计算机视觉与模式识别 · 计算机科学 2023-06-16 Gianmarco Roggiolani , Matteo Sodano , Tiziano Guadagnino , Federico Magistri , Jens Behley , Cyrill Stachniss

In this paper, we study the problem of 3D object segmentation from raw point clouds. Unlike all existing methods which usually require a large amount of human annotations for full supervision, we propose the first unsupervised method,…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Ziyang Song , Bo Yang

The demand for accurate food quantification has increased in the recent years, driven by the needs of applications in dietary monitoring. At the same time, computer vision approaches have exhibited great potential in automating tasks within…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Valasia Vlachopoulou , Ioannis Sarafis , Alexandros Papadopoulos

Tooth point cloud segmentation is a fundamental task in many orthodontic applications. Current research mainly focuses on fully supervised learning which demands expensive and tedious manual point-wise annotation. Although recent…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Yifan Liu , Wuyang Li , Cheng Wang , Hui Chen , Yixuan Yuan

The deficiency of 3D segmentation labels is one of the main obstacles to effective point cloud segmentation, especially for scenes in the wild with varieties of different objects. To alleviate this issue, we propose a novel deep graph…

计算机视觉与模式识别 · 计算机科学 2020-05-19 Haiyan Wang , Xuejian Rong , Liang Yang , Jinglun Feng , Jizhong Xiao , Yingli Tian

Learning discriminative shape representation directly on point clouds is still challenging in 3D shape analysis and understanding. Recent studies usually involve three steps: first splitting a point cloud into some local regions, then…

计算机视觉与模式识别 · 计算机科学 2020-10-28 Xin Wen , Zhizhong Han , Xinhai Liu , Yu-Shen Liu

Part segmentation and motion estimation are two fundamental problems for articulated object motion analysis. In this paper, we present a method to solve these two problems jointly from a sequence of observed point clouds of a single…

计算机视觉与模式识别 · 计算机科学 2025-08-08 Jun-Jee Chao , Qingyuan Jiang , Volkan Isler

Detailed forest inventories are critical for sustainable and flexible management of forest resources, to conserve various ecosystem services. Modern airborne laser scanners deliver high-density point clouds with great potential for…

计算机视觉与模式识别 · 计算机科学 2024-02-26 Binbin Xiang , Maciej Wielgosz , Theodora Kontogianni , Torben Peters , Stefano Puliti , Rasmus Astrup , Konrad Schindler

Accurate semantic segmentation of terrestrial laser scanning (TLS) point clouds is limited by costly manual annotation. We propose a semi-automated, uncertainty-aware pipeline that integrates spherical projection, feature enrichment,…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Fei Zhang , Rob Chancia , Josie Clapp , Amirhossein Hassanzadeh , Dimah Dera , Richard MacKenzie , Jan van Aardt

Strawberries are among the most economically significant fruits in the United States, generating over $2 billion in annual farm-gate sales and accounting for approximately 13% of the total fruit production value. Plant phenotyping plays a…

计算机视觉与模式识别 · 计算机科学 2025-11-05 Jiajia Li , Keyi Zhu , Qianwen Zhang , Dong Chen , Qi Sun , Zhaojian Li