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We introduce 3DShape2VecSet, a novel shape representation for neural fields designed for generative diffusion models. Our shape representation can encode 3D shapes given as surface models or point clouds, and represents them as neural…

计算机视觉与模式识别 · 计算机科学 2023-05-03 Biao Zhang , Jiapeng Tang , Matthias Niessner , Peter Wonka

There have been recent efforts to learn more meaningful representations via fixed length codewords from mesh data, since a mesh serves as a complete model of underlying 3D shape compared to a point cloud. However, the mesh connectivity…

计算机视觉与模式识别 · 计算机科学 2023-08-30 Eric Lei , Muhammad Asad Lodhi , Jiahao Pang , Junghyun Ahn , Dong Tian

Instance-level image retrieval in fashion is a challenging issue owing to its increasing importance in real-scenario visual fashion search. Cross-domain fashion retrieval aims to match the unconstrained customer images as queries for…

计算机视觉与模式识别 · 计算机科学 2022-10-28 Chen Bao , Xudong Zhang , Jiazhou Chen , Yongwei Miao

Unsupervised deep learning has recently demonstrated the promise of producing high-quality samples. While it has tremendous potential to promote the image colorization task, the performance is limited owing to the high-dimension of data…

计算机视觉与模式识别 · 计算机科学 2022-08-19 Jin Li , Wanyun Li , Zichen Xu , Yuhao Wang , Qiegen Liu

Although various 3D datasets with different functions and scales have been proposed recently, it remains challenging for individuals to complete the whole pipeline of large-scale data collection, sanitization, and annotation. Moreover, the…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Meida Chen , Qingyong Hu , Zifan Yu , Hugues Thomas , Andrew Feng , Yu Hou , Kyle McCullough , Fengbo Ren , Lucio Soibelman

Recent advances in sparse voxel representations have significantly improved the quality of 3D content generation, enabling high-resolution modeling with fine-grained geometry. However, existing frameworks suffer from severe computational…

计算机视觉与模式识别 · 计算机科学 2025-08-01 Yiwen Chen , Zhihao Li , Yikai Wang , Hu Zhang , Qin Li , Chi Zhang , Guosheng Lin

3D semantic segmentation is one of the most crucial tasks in driving perception. The ability of a learning-based model to accurately perceive dense 3D surroundings often ensures the safe operation of autonomous vehicles. However, existing…

计算机视觉与模式识别 · 计算机科学 2025-01-13 Qing Wu

Auto-annotation by ensemble of models is an efficient method of learning on unlabeled data. Wrong or inaccurate annotations generated by the ensemble may lead to performance degradation of the trained model. To deal with this problem we…

计算机视觉与模式识别 · 计算机科学 2024-03-14 Dror Simon , Miriam Farber , Roman Goldenberg

Reconstructing 3D vehicles from noisy and sparse partial point clouds is of great significance to autonomous driving. Most existing 3D reconstruction methods cannot be directly applied to this problem because they are elaborately designed…

计算机视觉与模式识别 · 计算机科学 2023-10-02 Yibo Liu , Kelly Zhu , Guile Wu , Yuan Ren , Bingbing Liu , Yang Liu , Jinjun Shan

Advances in machine learning methods for computer vision tasks have led to their consideration for safety-critical applications like autonomous driving. However, effectively integrating these methods into the automotive development…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Youssef Shoeb , Azarm Nowzad , Hanno Gottschalk

In autonomous driving, deep models have shown remarkable performance across various visual perception tasks with the demand of high-quality and huge-diversity training datasets. Such datasets are expected to cover various driving scenarios…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Jiahang Tu , Wei Ji , Hanbin Zhao , Chao Zhang , Roger Zimmermann , Hui Qian

With an ever-increasing availability of data, it has become more and more challenging to select and label appropriate samples for the training of machine learning models. It is especially difficult to detect long-tail classes of interest in…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Daniel Bogdoll , Rajanikant Patnaik Ananta , Abeyankar Giridharan , Isabel Moore , Gregory Stevens , Henry X. Liu

With the development of deep learning techniques, supervised learning has achieved performances surpassing those of humans. Researchers have designed numerous corresponding models for different data modalities, achieving excellent results…

人工智能 · 计算机科学 2023-08-29 Qiang Li , Qiuyang Ma , Weizhi Nie , Anan Liu

High-quality and diverse multimodal data are essential for improving vision-language models (VLMs), yet existing datasets often contain noisy, redundant, and poorly aligned samples. To address these problems, data filtering is commonly used…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Biao Wu , Yiwu Zhong , Meng Fang , Ling Chen

Accurate 3D object detection in large-scale outdoor scenes, characterized by considerable variations in object scales, necessitates features rich in both long-range and fine-grained information. While recent detectors have utilized…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Jianan Li , Shaocong Dong , Lihe Ding , Tingfa Xu

The practical deployment of Federated Learning (FL) on resource-constrained devices is fundamentally limited by the high cost of training large models and the instability caused by heterogeneous (non-IID) client data. Conventional pruning…

Deep learning has been widely used in various applications from different fields such as computer vision, natural language processing, etc. However, the training models are often manually developed via many costly experiments. This manual…

机器学习 · 计算机科学 2022-11-22 Thanh Phuong Pham

The Big Data landscape poses challenges in managing diverse data formats, requiring efficient storage and processing for high-quality analysis. Effective metadata management is crucial for organizing, accessing, and reusing data within…

数据库 · 计算机科学 2025-03-21 Claudia Diamantini , Alessandro Mele , Domenico Potena , Cristina Rossetti , Emanuele Storti

The development of artificial intelligence (AI) and machine learning (ML) based tools for 3D phenotyping, especially for maize, has been limited due to the lack of large and diverse 3D datasets. 2D image datasets fail to capture essential…

Machine Learning (ML) has the potential to revolutionise the field of automotive aerodynamics, enabling split-second flow predictions early in the design process. However, the lack of open-source training data for realistic road cars, using…