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Robust and discriminative feature learning is critical for high-quality point cloud registration. However, existing deep learning-based methods typically rely on Euclidean neighborhood-based strategies for feature extraction, which struggle…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Shuyuan Lin , Wenwu Peng , Junjie Huang , Qiang Qi , Miaohui Wang , Jian Weng

This paper introduces key machine learning operations that allow the realization of robust, joint 6D pose estimation of multiple instances of objects either densely packed or in unstructured piles from RGB-D data. The first objective is to…

Robotics · Computer Science 2019-10-14 Chaitanya Mitash , Bowen Wen , Kostas Bekris , Abdeslam Boularias

An effective perception system is a fundamental component for farming robots, as it enables them to properly perceive the surrounding environment and to carry out targeted operations. The most recent methods make use of state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2021-09-07 Mulham Fawakherji , Ciro Potena , Alberto Pretto , Domenico D. Bloisi , Daniele Nardi

State-of-the-art 3D point cloud registration methods rely on labeled 3D datasets for training, which limits their practical applications in real-world scenarios and often hinders generalization to unseen scenes. Leveraging the zero-shot…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Weijie Wang , Wenqi Ren , Guofeng Mei , Bin Ren , Xiaoshui Huang , Fabio Poiesi , Nicu Sebe , Bruno Lepri

This paper studies the 3D instance segmentation problem, which has a variety of real-world applications such as robotics and augmented reality. Since the surroundings of 3D objects are of high complexity, the separating of different objects…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Min Zhong , Xinghao Chen , Xiaokang Chen , Gang Zeng , Yunhe Wang

The evolution of digital manufacturing requires intelligent Question Answering (QA) systems that can seamlessly integrate and analyze complex multi-modal data, such as text, images, formulas, and tables. Conventional Retrieval Augmented…

Computational Engineering, Finance, and Science · Computer Science 2026-01-27 Yunqing Li , Zihan Dong , Farhad Ameri , Jianbang Zhang

The creation of precise and high-resolution crop point clouds in agricultural fields has become a key challenge for high-throughput phenotyping applications. This work implements a novel calibration method to calibrate the laser scanning…

Robotics · Computer Science 2024-03-27 Felix Esser , Gereon Tombrink , Andre Cornelißen , Lasse Klingbeil , Heiner Kuhlmann

Instance segmentation is a promising yet challenging topic in computer vision. Recent approaches such as Mask R-CNN typically divide this problem into two parts -- a detection component and a mask generation branch, and mostly focus on the…

Computer Vision and Pattern Recognition · Computer Science 2019-09-30 Shichao Xu , Shuyue Lan , Qi Zhu

Multi-Instance Generation has advanced significantly in spatial placement and attribute binding. However, existing approaches still face challenges in fine-grained semantic understanding, particularly when dealing with complex textual…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Shiyan Du , Conghan Yue , Xinyu Cheng , Dongyu Zhang

This paper investigates indoor point cloud semantic segmentation under scene-level annotation, which is less explored compared to methods relying on sparse point-level labels. In the absence of precise point-level labels, current methods…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Lunhao Duan , Shanshan Zhao , Xingxing Weng , Jing Zhang , Gui-Song Xia

With the wide penetration of smart robots in multifarious fields, Simultaneous Localization and Mapping (SLAM) technique in robotics has attracted growing attention in the community. Yet collaborating SLAM over multiple robots still remains…

Robotics · Computer Science 2022-01-25 Peng Huang , Liekang Zeng , Xu Chen , Ke Luo , Zhi Zhou , Shuai Yu

The rapid advancement of deep generative models (DGMs) has significantly advanced research in computer vision, providing a cost-effective alternative to acquiring vast quantities of expensive imagery. However, existing methods predominantly…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Chuang Yang , Bingxuan Zhao , Qing Zhou , Qi Wang

In recent years, 3D Gaussian Splatting (3D-GS)-based scene representation demonstrates significant potential in real-time rendering and training efficiency. However, most existing methods primarily focus on single-map reconstruction, while…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Shiyang Liu , Dianyi Yang , Yu Gao , Bohan Ren , Yi Yang , Mengyin Fu

Semantic scene understanding is crucial for robotics and computer vision applications. In autonomous driving, 3D semantic segmentation plays an important role for enabling safe navigation. Despite significant advances in the field, the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Lucas Nunes , Rodrigo Marcuzzi , Jens Behley , Cyrill Stachniss

Mathematical problem generation (MPG) is a significant research direction in the field of intelligent education. In recent years, the rapid development of large language models (LLMs) has enabled new technological approaches to…

Artificial Intelligence · Computer Science 2026-01-21 Yifei Sun , Yongan Li , A. K. Qin , Sicheng Hou , Tamas Pflanzner

Point cloud registration plays a crucial role in various fields, including robotics, computer graphics, and medical imaging. This process involves determining spatial relationships between different sets of points, typically within a 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-09-28 Yikun Bai , Huy Tran , Steven B. Damelin , Soheil Kolouri

3D meshes are a critical building block for applications ranging from industrial design and gaming to simulation and robotics. Traditionally, meshes are crafted manually by artists, a process that is time-intensive and difficult to scale.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Xiatao Sun , Chen Liang , Qian Wang , Daniel Rakita

Multi-modal remote sensing images are vital for Earth observation, yet complete paired observations are often scarce in practice. Existing generative methods commonly address this problem through isolated pairwise modality translation, but…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Zhiping Yu , Chenyang Liu , Jinqi Cao , Qinzhe Yang , Siwei Yu , Zhengxia Zou , Zhenwei Shi

Early detection and correction of defects are critical in additive manufacturing (AM) to avoid build failures. In this paper, we present a multisensor fusion-based digital twin for in-situ quality monitoring and defect correction in a…

Image and Video Processing · Electrical Eng. & Systems 2023-04-13 Lequn Chen , Xiling Yao , Kui Liu , Chaolin Tan , Seung Ki Moon

Grasping with anthropomorphic robotic hands involves much more hand-object interactions compared to parallel-jaw grippers. Modeling hand-object interactions is essential to the study of multi-finger hand dextrous manipulation. This work…

Robotics · Computer Science 2022-11-22 Wei Wei , Daheng Li , Peng Wang , Yiming Li , Wanyi Li , Yongkang Luo , Jun Zhong