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Related papers: Point Cloud Quality Assessment using 3D Saliency M…

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Previous saliency detection research required the reader to evaluate performance qualitatively, based on renderings of saliency maps on a few shapes. This qualitative approach meant it was unclear which saliency models were better, or how…

Graphics · Computer Science 2016-06-01 Flora Ponjou Tasse , Jiří Kosinka , Neil Anthony Dodgson

The growing size of point clouds enlarges consumptions of storage, transmission, and computation of 3D scenes. Raw data is redundant, noisy, and non-uniform. Therefore, simplifying point clouds for achieving compact, clean, and uniform…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Yuanqi Li , Jianwei Guo , Xinran Yang , Shun Liu , Jie Guo , Xiaopeng Zhang , Yanwen Guo

We present a novel quality assessment method which can predict the perceptual quality of point clouds from new scenes without available annotations by leveraging the rich prior knowledge in images, called the Distribution-Weighted…

Computer Vision and Pattern Recognition · Computer Science 2025-01-24 Yipeng Liu , Qi Yang , Yujie Zhang , Yiling Xu , Le Yang , Zhu Li

We propose a method to generate 3D shapes using point clouds. Given a point-cloud representation of a 3D shape, our method builds a kd-tree to spatially partition the points. This orders them consistently across all shapes, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2017-07-21 Matheus Gadelha , Subhransu Maji , Rui Wang

We introduce layered Quantum Architecture Search (layered-QAS), a strategy inspired by classical network morphism that designs Parametrised Quantum Circuit (PQC) architectures by progressively growing and adapting them. PQCs offer strong…

Quantum Physics · Physics 2026-03-23 Natacha Kuete Meli , Jovita Lukasik , Vladislav Golyanik , Michael Moeller

Point cloud data now are popular data representations in a number of three-dimensional (3D) vision research realms. However, due to the limited performance of sensors and sensing noise, the raw data usually suffer from sparsity, noise, and…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Siwen Quan , Junhao Yu , Ziming Nie , Muze Wang , Sijia Feng , Pei An , Jiaqi Yang

In recent years, three-dimensional point clouds are used increasingly to document natural environments. Each dataset contains a diverse set of objects, at varying shapes and sizes, distributed throughout the data and intricately intertwined…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Reuma Arav , Dennis Wittich , Franz Rottensteiner

Recently, point clouds have shown to be a promising way to represent 3D visual data for a wide range of immersive applications, from augmented reality to autonomous cars. Emerging imaging sensors have made easier to perform richer and…

Image and Video Processing · Electrical Eng. & Systems 2020-11-16 Alireza Javaheri , Catarina Brites , Fernando Pereira , Joao Ascenso

Recently, several networks that operate directly on point clouds have been proposed. There is significant utility in understanding their mechanisms to classify point clouds, which can potentially help diagnosing these networks and designing…

Computer Vision and Pattern Recognition · Computer Science 2020-09-02 Chen Ziwen , Wenxuan Wu , Zhongang Qi , Li Fuxin

As 3D point clouds become a cornerstone of modern technology, the need for sophisticated generative models and reliable evaluation metrics has grown exponentially. In this work, we first expose that some commonly used metrics for evaluating…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Matteo Bastico , David Ryckelynck , Laurent Corté , Yannick Tillier , Etienne Decencière

In the practical application of point cloud completion tasks, real data quality is usually much worse than the CAD datasets used for training. A small amount of noisy data will usually significantly impact the overall system's accuracy. In…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 Jieqi Shi , Peiliang Li , Xiaozhi Chen , Shaojie Shen

Point cloud salient object detection has attracted the attention of researchers in recent years. Since existing works do not fully utilize the geometry context of 3D objects, blurry boundaries are generated when segmenting objects with…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Chen Wang , Liyuan Zhang , Le Hui , Qi Liu , Yuchao Dai

Point cloud coding solutions have been recently standardized to address the needs of multiple application scenarios. The design and assessment of point cloud coding methods require reliable objective quality metrics to evaluate the level of…

Image and Video Processing · Electrical Eng. & Systems 2021-08-06 Alireza Javaheri , Catarina Brites , Fernando Pereira , João Ascenso

The recent advances in 3D sensing technology have made possible the capture of point clouds in significantly high resolution. However, increased detail usually comes at the expense of high storage, as well as computational costs in terms of…

Computer Vision and Pattern Recognition · Computer Science 2021-10-01 Rolandos Alexandros Potamias , Giorgos Bouritsas , Stefanos Zafeiriou

We propose the GraphSIM -- an objective metric to accurately predict the subjective quality of point cloud with superimposed geometry and color impairments. Motivated by the facts that human vision system is more sensitive to the high…

Image and Video Processing · Electrical Eng. & Systems 2020-12-23 Qi Yang , Zhan Ma , Yiling Xu , Zhu Li , Jun Sun

Point cloud completion is a generation and estimation issue derived from the partial point clouds, which plays a vital role in the applications in 3D computer vision. The progress of deep learning (DL) has impressively improved the…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Ben Fei , Weidong Yang , Wenming Chen , Zhijun Li , Yikang Li , Tao Ma , Xing Hu , Lipeng Ma

In recent years, point clouds have become increasingly popular for representing three-dimensional (3D) visual objects and scenes. To efficiently store and transmit point clouds, compression methods have been developed, but they often result…

Image and Video Processing · Electrical Eng. & Systems 2023-11-08 Jinrui Xing , Hui Yuan , Raouf Hamzaoui , Hao Liu , Junhui Hou

Recently, the advancements in Virtual/Augmented Reality (VR/AR) have driven the demand for Dynamic Point Clouds (DPC). Unlike static point clouds, DPCs are capable of capturing temporal changes within objects or scenes, offering a more…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Yating Liu , Yujie Zhang , Qi Yang , Yiling Xu , Zhu Li , Ye-Kui Wang

Deep learning-based quality assessments have significantly enhanced perceptual multimedia quality assessment, however it is still in the early stages for 3D visual data such as 3D point clouds (PCs). Due to the high volume of 3D-PCs, such…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Oussama Messai , Abdelouahid Bentamou , Abbass Zein-Eddine , Yann Gavet

Textured mesh quality assessment (TMQA) is critical for various 3D mesh applications. However, existing TMQA methods often struggle to provide accurate and robust evaluations. Motivated by the effectiveness of fields in representing both 3D…

Graphics · Computer Science 2025-05-19 Kaifa Yang , Qi Yang , Zhu Li , Yiling Xu