English
Related papers

Related papers: Interactive Annotation of 3D Object Geometry using…

200 papers

While free-hand sketching has long served as an efficient representation to convey characteristics of an object, they are often subjective, deviating significantly from realistic representations. Moreover, sketches are not consistent for…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Changwoon Choi , Jaeah Lee , Jaesik Park , Young Min Kim

One of the main obstacles to 3D semantic segmentation is the significant amount of endeavor required to generate expensive point-wise annotations for fully supervised training. To alleviate manual efforts, we propose GIDSeg, a novel…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Peng Yin , Lingyun Xu , Jianmin Ji , Sebastian Scherer , Howie Choset

Human perception of 3D shapes goes beyond reconstructing them as a set of points or a composition of geometric primitives: we also effortlessly understand higher-level shape structure such as the repetition and reflective symmetry of object…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Yonglong Tian , Andrew Luo , Xingyuan Sun , Kevin Ellis , William T. Freeman , Joshua B. Tenenbaum , Jiajun Wu

Traditional approaches for learning 3D object categories use either synthetic data or manual supervision. In this paper, we propose a method which does not require manual annotations and is instead cued by observing objects from a moving…

Computer Vision and Pattern Recognition · Computer Science 2021-12-03 David Novotny , Diane Larlus , Andrea Vedaldi

NeRFs have achieved incredible success in novel view synthesis. However, the accuracy of the implicit geometry is unsatisfactory because the passive static environmental illumination has low spatial frequency and cannot provide enough…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Jianyu Tao , Changping Hu , Edward Yang , Jing Xu , Rui Chen

In this paper, we propose a novel learning-based framework for 3D shape registration, which overcomes the challenges of significant non-rigid deformation and partiality undergoing among input shapes, and, remarkably, requires no…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Zhangquan Chen , Puhua Jiang , Mingze Sun , Ruqi Huang

High-level 3D scene understanding is essential in many applications. However, the challenges of generating accurate 3D annotations make development of deep learning models difficult. We turn to recent advancements in automatic retrieval of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Yuchen Rao , Stefan Ainetter , Sinisa Stekovic , Vincent Lepetit , Friedrich Fraundorfer

Sketch-based shape modeling aims to bridge the gap between 2D drawing and 3D modeling by providing an intuitive and accessible approach to create 3D shapes from 2D sketches. However, existing methods still suffer from limitations in…

Graphics · Computer Science 2023-09-13 Jie Zhou , Zhongjin Luo , Qian Yu , Xiaoguang Han , Hongbo Fu

The perception of an object's surface is important for robotic applications enabling robust object manipulation. The level of accuracy in such a representation affects the outcome of the action planning, especially during tasks that require…

Robotics · Computer Science 2025-05-20 Paris Oikonomou , George Retsinas , Petros Maragos , Costas S. Tzafestas

This paper introduces a novel physical annotation system designed to generate training data for automated optical inspection. The system uses pointer-based in-situ interaction to transfer the valuable expertise of trained inspection…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Oliver Krumpek , Oliver Heimann , Jörg Krüger

It is laborious to manually label point cloud data for training high-quality 3D object detectors. This work proposes a weakly supervised approach for 3D object detection, only requiring a small set of weakly annotated scenes, associated…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Qinghao Meng , Wenguan Wang , Tianfei Zhou , Jianbing Shen , Luc Van Gool , Dengxin Dai

The design of intuitive three-dimensional user interfaces is vital for interaction in virtual reality, allowing to effectively close the loop between a human user and the virtual environment. The utilization of 3D gestural input allows for…

Human-Computer Interaction · Computer Science 2024-01-17 Nico Reski , Aris Alissandrakis , Andreas Kerren

Recent advances in data-centric artificial intelligence highlight inherent limitations in object recognition datasets. One of the primary issues stems from the semantic gap problem, which results in complex many-to-many mappings between…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Xiaolei Diao , Fausto Giunchiglia

The task of crafting procedural programs capable of generating structurally valid 3D shapes easily and intuitively remains an elusive goal in computer vision and graphics. Within the graphics community, generating procedural 3D models has…

Graphics · Computer Science 2025-03-21 Ofek Pearl , Itai Lang , Yuhua Hu , Raymond A. Yeh , Rana Hanocka

Manually labeling objects by tracing their boundaries is a laborious process. In Polygon-RNN++ the authors proposed Polygon-RNN that produces polygonal annotations in a recurrent manner using a CNN-RNN architecture, allowing interactive…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Huan Ling , Jun Gao , Amlan Kar , Wenzheng Chen , Sanja Fidler

In the domain of the U.S. Army modeling and simulation, the availability of high quality annotated 3D data is pivotal to creating virtual environments for training and simulations. Traditional methodologies for 3D semantic and instance…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Jiuyi Xu , Meida Chen , Andrew Feng , Zifan Yu , Yangming Shi

We have seen significant leapfrog advancement in machine learning in recent decades. The central idea of machine learnability lies on constructing learning algorithms that learn from good data. The availability of more data being made…

Computer Vision and Pattern Recognition · Computer Science 2020-08-07 Ng Hui Xian Lynnette , Henry Ng Siong Hock , Nguwi Yok Yen

We present 3DP3, a framework for inverse graphics that uses inference in a structured generative model of objects, scenes, and images. 3DP3 uses (i) voxel models to represent the 3D shape of objects, (ii) hierarchical scene graphs to…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Nishad Gothoskar , Marco Cusumano-Towner , Ben Zinberg , Matin Ghavamizadeh , Falk Pollok , Austin Garrett , Joshua B. Tenenbaum , Dan Gutfreund , Vikash K. Mansinghka

Understanding how people interact with their surroundings and each other is essential for enabling robots to act in socially compliant and context-aware ways. While 3D Scene Graphs have emerged as a powerful semantic representation for…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Ermanno Bartoli , Dennis Rotondi , Buwei He , Patric Jensfelt , Kai O. Arras , Iolanda Leite

Automated object detection has become increasingly valuable across diverse applications, yet efficient, high-quality annotation remains a persistent challenge. In this paper, we present the development and evaluation of a platform designed…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Sönke Tenckhoff , Mario Koddenbrock , Erik Rodner