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Related papers: LCM: Locally Constrained Compact Point Cloud Model…

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In the past decade, Convolutional Neural Networks (CNNs) and Transformers have achieved wide applicaiton in semantic segmentation tasks. Although CNNs with Transformer models greatly improve performance, the global context modeling remains…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Feixiang Du , Shengkun Wu

Channel knowledge map (CKM) provides certain levels of channel state information (CSI) for an area of interest, serving as a critical enabler for environment-aware communications by reducing the overhead of frequent CSI acquisition.…

Signal Processing · Electrical Eng. & Systems 2025-06-30 Yancheng Wang , Wei Guo , Chuan Huang , Guanying Chen , Ye Zhang , Shuguang Cui

In this paper, we propose a new geometry coding method for point cloud compression (PCC), where the points can be fitted and represented by straight lines. The encoding of the linear model can be expressed by two parts, including the…

Image and Video Processing · Electrical Eng. & Systems 2020-01-14 Xiang Zhang , Wen Gao , Shan Liu

Constrained Local Models (CLMs) are a well-established family of methods for facial landmark detection. However, they have recently fallen out of favor to cascaded regression-based approaches. This is in part due to the inability of…

Computer Vision and Pattern Recognition · Computer Science 2017-07-28 Amir Zadeh , Tadas Baltrušaitis , Louis-Philippe Morency

The ever-increasing 3D application makes the point cloud compression unprecedentedly important and needed. In this paper, we propose a patch-based compression process using deep learning, focusing on the lossy point cloud geometry…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Kang You , Pan Gao

Deep learning systems extensively use convolution operations to process input data. Though convolution is clearly defined for structured data such as 2D images or 3D volumes, this is not true for other data types such as sparse point…

Computer Vision and Pattern Recognition · Computer Science 2018-09-26 Pedro Hermosilla , Tobias Ritschel , Pere-Pau Vázquez , Àlvar Vinacua , Timo Ropinski

Masked Autoencoders (MAE) have shown great potentials in self-supervised pre-training for language and 2D image transformers. However, it still remains an open question on how to exploit masked autoencoding for learning 3D representations…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Renrui Zhang , Ziyu Guo , Rongyao Fang , Bin Zhao , Dong Wang , Yu Qiao , Hongsheng Li , Peng Gao

While current state-of-the-art generalizable implicit neural shape models rely on the inductive bias of convolutions, it is still not entirely clear how properties emerging from such biases are compatible with the task of 3D reconstruction…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Amine Ouasfi , Adnane Boukhayma

World models, which simulate environmental dynamics and generate sensor observations, are gaining increasing attention in autonomous driving. However, progress in LiDAR-based world models has lagged behind those built on camera videos or…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Yang Wu , Zhaojiang Liu , Qiang Meng , Youquan Liu , Renliang Weng , Jianjun Qian , Jian Yang , Jin Xie

Multimodal semantic learning plays a critical role in embodied intelligence, especially when robots perceive their surroundings, understand human instructions, and make intelligent decisions. However, the field faces technical challenges…

Robotics · Computer Science 2025-09-24 Zeyi Kang , Liang He , Yanxin Zhang , Zuheng Ming , Kaixing Zhao

3D dense captioning, as an emerging vision-language task, aims to identify and locate each object from a set of point clouds and generate a distinctive natural language sentence for describing each located object. However, the existing…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Yufeng Zhong , Long Xu , Jiebo Luo , Lin Ma

Recent advances in model predictive control (MPC) leverage local communication constraints to produce localized MPC algorithms whose complexities scale independently of total network size. However, no characterization is available regarding…

Systems and Control · Electrical Eng. & Systems 2023-08-31 Jing Shuang Li , Carmen Amo Alonso

Classical control of cyber-physical systems used to rely on basic linear controllers. These controllers provided a safe and robust behavior but lack the ability to perform more complex controls such as aggressive maneuvering or performing…

Logic in Computer Science · Computer Science 2019-04-22 Guillaume Davy , Eric Féron , Pierre-Loïc Garoche , Didier Henrion

Point cloud enhancement is the process of generating a high-quality point cloud from an incomplete input. This is done by filling in the missing details from a reference like the ground truth via regression, for example. In addition to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Sai Tarun Inaganti , Gennady Petrenko

In spite of the great potential of large language models (LLMs) across various tasks, their deployment on resource-constrained devices remains challenging due to their excessive computational and memory demands. Quantization has emerged as…

Machine Learning · Computer Science 2025-02-28 Hao Mark Chen , Fuwen Tan , Alexandros Kouris , Royson Lee , Hongxiang Fan , Stylianos I. Venieris

This paper explores improvements to the masked image modeling (MIM) paradigm. The MIM paradigm enables the model to learn the main object features of the image by masking the input image and predicting the masked part by the unmasked part.…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Jiawei Mao , Xuesong Yin , Yuanqi Chang , Honggu Zhou

Noise is an inevitable aspect of point cloud acquisition, necessitating filtering as a fundamental task within the realm of 3D vision. Existing learning-based filtering methods have shown promising capabilities on small-scale synthetic or…

Multimedia · Computer Science 2025-01-10 Qingyuan Zhou , Weidong Yang , Ben Fei , Jingyi Xu , Rui Zhang , Keyi Liu , Yeqi Luo , Ying He

Real-time, scalable, and accurate decoding is a critical component for realizing a fault-tolerant quantum computer. While Transformer-based neural decoders such as \textit{AlphaQubit} have demonstrated high accuracy, the computational…

Quantum Physics · Physics 2025-10-28 Changwon Lee , Tak Hur , Daniel K. Park

CNN- and Transformer-based architectures have achieved strong performance in medical image segmentation, but CNNs are limited in modeling long-range dependencies, while Transformers often suffer from quadratic computational and memory…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Diego Adame , Fabian Vazquez , Jose A. Nunez , Huimin Li , Jinghao Yang , Erik Enriquez , DongChul Kim , Haoteng Tang , Bin Fu , Pengfei Gu

Point cloud classification plays a crucial role in the processing and analysis of data from 3D sensors such as LiDAR, which are commonly used in applications like autonomous vehicles, robotics, and environmental monitoring. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-16 Qiang Zheng , Chao Zhang , Jian Sun