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Accurate recognition of food items along with quality assessment is of paramount importance in the agricultural industry. Such automated systems can speed up the wheel of the food processing sector and save tons of manual labor. In this…

Computer Vision and Pattern Recognition · Computer Science 2022-12-27 Md. Samin Morshed , Sabbir Ahmed , Tasnim Ahmed , Muhammad Usama Islam , A. B. M. Ashikur Rahman

Reliable robotic grasping in unstructured environments is a crucial but challenging task. The main problem is to generate the optimal grasp of novel objects from partial noisy observations. This paper presents an end-to-end grasp detection…

Robotics · Computer Science 2021-03-26 Binglei Zhao , Hanbo Zhang , Xuguang Lan , Haoyu Wang , Zhiqiang Tian , Nanning Zheng

This work proposes a method for depth completion of sparse LiDAR data using a convolutional neural network which can be used to generate semi-dense depth maps and "almost" full 3D point-clouds with significantly lower root mean squared…

Computer Vision and Pattern Recognition · Computer Science 2019-09-23 Hamid Hekmatian , Jingfu Jin , Samir Al-Stouhi

Accurate reconstruction of leaf surfaces from 3D point cloud is essential for agricultural applications such as phenotyping. However, real-world plant data (i.e., irregular 3D point cloud) are often complex to reconstruct plant parts…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Arif Ahmed , Parikshit Maini

In this paper, we tackle the challenging problem of point cloud completion from the perspective of feature learning. Our key observation is that to recover the underlying structures as well as surface details, given partial input, a…

Computer Vision and Pattern Recognition · Computer Science 2022-09-15 Zejia Su , Haibin Huang , Chongyang Ma , Hui Huang , Ruizhen Hu

Precision agriculture has become a key factor for increasing crop yields by providing essential information to decision makers. In this work, we present a deep learning method for simultaneous segmentation and counting of cranberries to aid…

Computer Vision and Pattern Recognition · Computer Science 2020-04-27 Peri Akiva , Kristin Dana , Peter Oudemans , Michael Mars

In robotic fruit picking applications, managing object occlusion in unstructured settings poses a substantial challenge for designing grasping algorithms. Using strawberry harvesting as a case study, we present an end-to-end framework for…

Robotics · Computer Science 2025-06-18 Ali Abouzeid , Malak Mansour , Chengsong Hu , Dezhen Song

Representing human-made objects as a collection of base primitives has a long history in computer vision and reverse engineering. In the case of high-resolution point cloud scans, the challenge is to be able to detect both large primitives…

Computer Vision and Pattern Recognition · Computer Science 2021-09-07 Eric-Tuan Lê , Minhyuk Sung , Duygu Ceylan , Radomir Mech , Tamy Boubekeur , Niloy J. Mitra

We propose a mechanism to reconstruct part annotated 3D point clouds of objects given just a single input image. We demonstrate that jointly training for both reconstruction and segmentation leads to improved performance in both the tasks,…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Priyanka Mandikal , Navaneet K L , R. Venkatesh Babu

Technology to recognize the type of component represented by a point cloud is required in the reconstruction process of an as-built model of a process plant based on laser scanning. The reconstruction process of a process plant through…

Computer Vision and Pattern Recognition · Computer Science 2019-12-30 Hyungki Kim , Duhwan Mun

We propose a novel, end-to-end trainable, deep network called ParSeNet that decomposes a 3D point cloud into parametric surface patches, including B-spline patches as well as basic geometric primitives. ParSeNet is trained on a large-scale…

Computer Vision and Pattern Recognition · Computer Science 2020-09-23 Gopal Sharma , Difan Liu , Subhransu Maji , Evangelos Kalogerakis , Siddhartha Chaudhuri , Radomír Měch

Fine-grained 3D shape classification is important for shape understanding and analysis, which poses a challenging research problem. However, the studies on the fine-grained 3D shape classification have rarely been explored, due to the lack…

Computer Vision and Pattern Recognition · Computer Science 2021-02-03 Xinhai Liu , Zhizhong Han , Yu-Shen Liu , Matthias Zwicker

As the world population is expected to reach 10 billion by 2050, our agricultural production system needs to double its productivity despite a decline of human workforce in the agricultural sector. Autonomous robotic systems are one…

Deep learning approaches to 3D shape segmentation are typically formulated as a multi-class labeling problem. Existing models are trained for a fixed set of labels, which greatly limits their flexibility and adaptivity. We opt for top-down…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Fenggen Yu , Kun Liu , Yan Zhang , Chenyang Zhu , Kai Xu

Surface reconstruction for point clouds is an important task in 3D computer vision. Most of the latest methods resolve this problem by learning signed distance functions from point clouds, which are limited to reconstructing closed…

Computer Vision and Pattern Recognition · Computer Science 2024-05-27 Junsheng Zhou , Baorui Ma , Shujuan Li , Yu-Shen Liu , Yi Fang , Zhizhong Han

Food is not only essential to human health but also serves as a medium for cultural identity and emotional connection. In the context of precision nutrition, accurately identifying and classifying food images is critical for dietary…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Lulu Liu , Zhiyong Xiao

3D point cloud completion is very challenging because it heavily relies on the accurate understanding of the complex 3D shapes (e.g., high-curvature, concave/convex, and hollowed-out 3D shapes) and the unknown & diverse patterns of the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-29 Qing Guo , Zhijie Wang , Felix Juefei-Xu , Di Lin , Lei Ma , Wei Feng , Yang Liu

In Fringe Projection Profilometry (FPP), achieving robust and accurate 3D reconstruction with a limited number of fringe patterns remains a challenge in structured light 3D imaging. Conventional methods require a set of fringe images, but…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Won-Hoe Kim , Bongjoong Kim , Hyung-Gun Chi , Jae-Sang Hyun

RGB-D based 6D pose estimation has recently achieved remarkable progress, but still suffers from two major limitations: (1) ineffective representation of depth data and (2) insufficient integration of different modalities. This paper…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Guangyuan Zhou , Huiqun Wang , Jiaxin Chen , Di Huang

We present PriFit, a semi-supervised approach for label-efficient learning of 3D point cloud segmentation networks. PriFit combines geometric primitive fitting with point-based representation learning. Its key idea is to learn point…

Computer Vision and Pattern Recognition · Computer Science 2022-06-24 Gopal Sharma , Bidya Dash , Aruni RoyChowdhury , Matheus Gadelha , Marios Loizou , Liangliang Cao , Rui Wang , Erik Learned-Miller , Subhransu Maji , Evangelos Kalogerakis