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Related papers: PVT: Point-Voxel Transformer for Point Cloud Learn…

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Vision Transformers (ViTs) have recently taken computer vision by storm. However, the softmax attention underlying ViTs comes with a quadratic complexity in time and memory, hindering the application of ViTs to high-resolution images. We…

Computer Vision and Pattern Recognition · Computer Science 2025-02-17 Chuanyang Zheng

This paper proposes the first pure Transformer structure inversion network called SwinStyleformer, which can compensate for the shortcomings of the CNNs inversion framework by handling long-range dependencies and learning the global…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Jiawei Mao , Guangyi Zhao , Xuesong Yin , Yuanqi Chang

The annotation of 3D datasets is required for semantic-segmentation and object detection in scene understanding. In this paper we present a framework for the weakly supervision of a point clouds transformer that is used for 3D object…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Zuojin Tang , Bo Sun , Tongwei Ma , Daosheng Li , Zhenhui Xu

We propose the use of a Transformer to accurately predict normals from point clouds with noise and density variations. Previous learning-based methods utilize PointNet variants to explicitly extract multi-scale features at different input…

Computer Vision and Pattern Recognition · Computer Science 2024-01-12 Barry Shichen Hu , Siyun Liang , Johannes Paetzold , Huy H. Nguyen , Isao Echizen , Jiapeng Tang

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

Embodied intelligence requires agents to interact with 3D environments in real time based on language instructions. A foundational task in this domain is ego-centric 3D visual grounding. However, the point clouds rendered from RGB-D images…

Computer Vision and Pattern Recognition · Computer Science 2025-02-28 Qihang Peng , Henry Zheng , Gao Huang

Recently, arbitrary-scale point cloud upsampling mechanism became increasingly popular due to its efficiency and convenience for practical applications. To achieve this, most previous approaches formulate it as a problem of surface…

Computer Vision and Pattern Recognition · Computer Science 2024-03-11 Hang Du , Xuejun Yan , Jingjing Wang , Di Xie , Shiliang Pu

This paper presents novel solutions for the efficient and reliable transmission of point clouds over wireless channels for real-time applications. We first propose SEmatic Point cloud Transmission (SEPT) for small-scale point clouds, which…

Signal Processing · Electrical Eng. & Systems 2025-06-11 Chenghong Bian , Yulin Shao , Deniz Gunduz

Remarkable performance from Transformer networks in Natural Language Processing promote the development of these models in dealing with computer vision tasks such as image recognition and segmentation. In this paper, we introduce a novel…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Qi Zhong , Xian-Feng Han

In Diffusion Transformer (DiT) models, particularly for video generation, attention latency is a major bottleneck due to the long sequence length and the quadratic complexity. We find that attention weights can be separated into two parts:…

With the wide applications of colored point cloud in many fields, point cloud perceptual quality assessment plays a vital role in the visual communication systems owing to the existence of quality degradations introduced in various stages.…

Computer Vision and Pattern Recognition · Computer Science 2022-12-01 Qi Liu , Yiyun Liu , Honglei Su , Hui Yuan , Raouf Hamzaoui

Point clouds are a fundamental 3D representation in computer vision, enabling a wide range of perception tasks. However, real-world point clouds often suffer from degradations such as incompleteness, noise, outliers, and irregular density,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Haoqing Wu , Alexa Nawotki , Jochen Garcke

Geometric deep learning is increasingly important thanks to the popularity of 3D sensors. Inspired by the recent advances in NLP domain, the self-attention transformer is introduced to consume the point clouds. We develop Point Attention…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Jiancheng Yang , Qiang Zhang , Bingbing Ni , Linguo Li , Jinxian Liu , Mengdie Zhou , Qi Tian

Transformers have astounding representational power but typically consume considerable computation which is quadratic with image resolution. The prevailing Swin transformer reduces computational costs through a local window strategy.…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Haolin Qin , Daquan Zhou , Tingfa Xu , Ziyang Bian , Jianan Li

Vision Transformers (ViTs) have been shown to enhance visual recognition through modeling long-range dependencies with multi-head self-attention (MHSA), which is typically formulated as Query-Key-Value computation. However, the attention…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Chongjian Ge , Xiaohan Ding , Zhan Tong , Li Yuan , Jiangliu Wang , Yibing Song , Ping Luo

As emerging hardware begins to support mixed bit-width arithmetic computation, mixed-precision quantization is widely used to reduce the complexity of neural networks. However, Vision Transformers (ViTs) require complex self-attention…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Junrui Xiao , Zhikai Li , Lianwei Yang , Qingyi Gu

Previous studies have demonstrated the effectiveness of point-based neural models on the point cloud analysis task. However, there remains a crucial issue on producing the efficient input embedding for raw point coordinates. Moreover,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Zihao Li , Pan Gao , Kang You , Chuan Yan , Manoranjan Paul

Vision Transformers (ViT) serve as powerful vision models. Unlike convolutional neural networks, which dominated vision research in previous years, vision transformers enjoy the ability to capture long-range dependencies in the data.…

Computer Vision and Pattern Recognition · Computer Science 2022-04-20 Moab Arar , Ariel Shamir , Amit H. Bermano

Existing convolutional learning methods for 3D point cloud data are divided into two paradigms: point-based methods that preserve geometric precision but often face performance challenges, and voxel-based methods that achieve high…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Lihan Li , Haofeng Zhong , Rui Bu , Mingchao Sun , Wenzheng Chen , Baoquan Chen , Yangyan Li

While the Transformer architecture has become ubiquitous in the machine learning field, its adaptation to 3D shape recognition is non-trivial. Due to its quadratic computational complexity, the self-attention operator quickly becomes…

Computer Vision and Pattern Recognition · Computer Science 2022-04-11 Axel Berg , Magnus Oskarsson , Mark O'Connor