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Related papers: Adaptive Channel Encoding for Point Cloud Analysis

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We present CpT: Convolutional point Transformer - a novel deep learning architecture for dealing with the unstructured nature of 3D point cloud data. CpT is an improvement over existing attention-based Convolutions Neural Networks as well…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Chaitanya Kaul , Joshua Mitton , Hang Dai , Roderick Murray-Smith

In this paper, we present a comprehensive point cloud semantic segmentation network that aggregates both local and global multi-scale information. First, we propose an Angle Correlation Point Convolution (ACPConv) module to effectively…

Computer Vision and Pattern Recognition · Computer Science 2022-06-29 Yuyan Li , Ye Duan

Attributed graph clustering is challenging as it requires joint modelling of graph structures and node attributes. Recent progress on graph convolutional networks has proved that graph convolution is effective in combining structural and…

Machine Learning · Computer Science 2019-06-05 Xiaotong Zhang , Han Liu , Qimai Li , Xiao-Ming Wu

In recommender systems, models mostly use a combination of embedding layers and multilayer feedforward neural networks. The high-dimensional sparse original features are downscaled in the embedding layer and then fed into the fully…

Information Retrieval · Computer Science 2022-05-19 Mohan Hasama , Jing Li

Deep Convolutional Neural Networks (CNNs) are powerful models that have achieved excellent performance on difficult computer vision tasks. Although CNNs perform well whenever large labeled training samples are available, they work badly on…

Computer Vision and Pattern Recognition · Computer Science 2021-06-03 Zhouyong Liu , Shun Luo , Wubin Li , Jingben Lu , Yufan Wu , Shilei Sun , Chunguo Li , Luxi Yang

LiDAR-generated point clouds are crucial for perceiving outdoor environments. The segmentation of point clouds is also essential for many applications. Previous research has focused on using self-attention and convolution (local attention)…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Abhishek Kuriyal , Vaibhav Kumar , Bharat Lohani

In this work, we propose a generally applicable transformation unit for visual recognition with deep convolutional neural networks. This transformation explicitly models channel relationships with explainable control variables. These…

Computer Vision and Pattern Recognition · Computer Science 2020-03-30 Zongxin Yang , Linchao Zhu , Yu Wu , Yi Yang

Audio-visual speech enhancement system is regarded to be one of promising solutions for isolating and enhancing speech of desired speaker. Conventional methods focus on predicting clean speech spectrum via a naive convolution neural network…

Audio and Speech Processing · Electrical Eng. & Systems 2022-09-28 Xinmeng Xu , Jianjun Hao

The acquisition of inductive bias through point-level contrastive learning holds paramount significance in point cloud pre-training. However, the square growth in computational requirements with the scale of the point cloud poses a…

Computer Vision and Pattern Recognition · Computer Science 2024-10-23 Zhiyi Pan , Guoqing Liu , Wei Gao , Thomas H. Li

Over the last decade, deep learning has shown great success at performing computer vision tasks, including classification, super-resolution, and style transfer. Now, we apply it to data compression to help build the next generation of…

Image and Video Processing · Electrical Eng. & Systems 2024-09-16 Mateen Ulhaq

Point cloud processing methods leverage local and global point features %at the feature level to cater to downstream tasks, yet they often overlook the task-level context inherent in point clouds during the encoding stage. We argue that…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Yong He , Hongshan Yu , Chaoxu Mu , Mingtao Feng , Tongjia Chen , Zechuan Li , Anwaar Ulhaq , Ajmal Mian

Point clouds are unstructured and unordered in the embedded 3D space. In order to produce consistent responses under different permutation layouts, most existing methods aggregate local spatial points through maximum or summation operation.…

Computer Vision and Pattern Recognition · Computer Science 2020-09-04 Yuan Fang , Chunyan Xu , Zhen Cui , Yuan Zong , Jian Yang

Point cloud analysis is an area of increasing interest due to the development of 3D sensors that are able to rapidly measure the depth of scenes accurately. Unfortunately, applying deep learning techniques to perform point cloud analysis is…

Computer Vision and Pattern Recognition · Computer Science 2021-01-05 Junming Zhang , Ming-Yuan Yu , Ram Vasudevan , Matthew Johnson-Roberson

Recently, the attention-enhanced multi-layer encoder, such as Transformer, has been extensively studied in Machine Reading Comprehension (MRC). To predict the answer, it is common practice to employ a predictor to draw information only from…

Computation and Language · Computer Science 2021-02-03 Nuo Chen , Fenglin Liu , Chenyu You , Peilin Zhou , Yuexian Zou

Transformers are built upon multi-head scaled dot-product attention and positional encoding, which aim to learn the feature representations and token dependencies. In this work, we focus on enhancing the distinctive representation by…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Litao Yu , Jian Zhang

This work aims to predict channels in wireless communication systems based on noisy observations, utilizing sequence-to-sequence models with attention (Seq2Seq-attn) and transformer models. Both models are adapted from natural language…

Machine Learning · Statistics 2025-09-05 Valentina Rizzello , Benedikt Böck , Michael Joham , Wolfgang Utschick

Deep learning is increasingly being used to perform machine vision tasks such as classification, object detection, and segmentation on 3D point cloud data. However, deep learning inference is computationally expensive. The limited…

Image and Video Processing · Electrical Eng. & Systems 2023-08-14 Mateen Ulhaq , Ivan V. Bajić

We propose an approach to instance segmentation from 3D point clouds based on dynamic convolution. This enables it to adapt, at inference, to varying feature and object scales. Doing so avoids some pitfalls of bottom up approaches,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Tong He , Chunhua Shen , Anton van den Hengel

Deep learning-based joint source-channel coding (DJSCC) is expected to be a key technique for {the} next-generation wireless networks. However, the existing DJSCC schemes still face the challenge of channel adaptability as they are…

Information Theory · Computer Science 2024-01-23 Songjie Xie , Hengtao He , Hongru Li , Shenghui Song , Jun Zhang , Ying-Jun Angela Zhang , Khaled B. Letaief

Recent deep networks that directly handle points in a point set, e.g., PointNet, have been state-of-the-art for supervised learning tasks on point clouds such as classification and segmentation. In this work, a novel end-to-end deep…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Yaoqing Yang , Chen Feng , Yiru Shen , Dong Tian