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We propose a novel deep learning framework for predicting permeability of porous media from their digital images. Unlike convolutional neural networks, instead of feeding the whole image volume as inputs to the network, we model the…

Image and Video Processing · Electrical Eng. & Systems 2021-10-13 Ali Kashefi , Tapan Mukerji

Machine learning models have achieved, and in some cases surpassed, human-level performance in various tasks, mainly through centralized training of static models and the use of large models stored in centralized clouds for inference.…

Machine Learning · Computer Science 2025-06-02 Hesham G. Moussa , Arashmid Akhavain , S. Maryam Hosseini , Bill McCormick

Point cloud processing has become a cornerstone technology in many 3D vision tasks. However, arbitrary rotations introduce variations in point cloud orientations, posing a long-standing challenge for effective representation learning. The…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Chenyu Hu , Xiaotong Li , Hao Zhu , Biao Hou

We present two novel generative geometric deep learning frameworks, termed Flow Matching PointNet and Diffusion PointNet, for predicting fluid flow variables on irregular geometries by incorporating PointNet into flow matching and diffusion…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Ali Kashefi

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

Learning new representations of 3D point clouds is an active research area in 3D vision, as the order-invariant point cloud structure still presents challenges to the design of neural network architectures. Recent works explored learning…

Computer Vision and Pattern Recognition · Computer Science 2022-07-18 Yusuf H. Sahin , Alican Mertan , Gozde Unal

Data scarcity is common in deep learning models for medical image segmentation. Previous works proposed multi-dataset learning, either simultaneously or via transfer learning to expand training sets. However, medical image datasets have…

Image and Video Processing · Electrical Eng. & Systems 2022-11-30 Siyu Liu , Wei Dai , Craig Engstrom , Jurgen Fripp , Stuart Crozier , Jason A. Dowling , Shekhar S. Chandra

Object reconstruction from 3D point clouds has been a long-standing research problem in computer vision and computer graphics, and achieved impressive progress. However, reconstruction from time-varying point clouds (a.k.a. 4D point clouds)…

Computer Vision and Pattern Recognition · Computer Science 2023-10-18 Tuan-Anh Vu , Duc Thanh Nguyen , Binh-Son Hua , Quang-Hieu Pham , Sai-Kit Yeung

Point cloud upsampling focuses on generating a dense, uniform and proximity-to-surface point set. Most previous approaches accomplish these objectives by carefully designing a single-stage network, which makes it still challenging to…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Hang Du , Xuejun Yan , Jingjing Wang , Di Xie , Shiliang Pu

Modern deep neural networks (DNNs) consist of millions of parameters, necessitating high-performance computing during training and inference. Pruning is one solution that significantly reduces the space and time complexities of DNNs.…

Machine Learning · Computer Science 2024-04-08 Dhananjay Saikumar , Blesson Varghese

While deeper convolutional networks are needed to achieve maximum accuracy in visual perception tasks, for many inputs shallower networks are sufficient. We exploit this observation by learning to skip convolutional layers on a per-input…

Computer Vision and Pattern Recognition · Computer Science 2018-07-26 Xin Wang , Fisher Yu , Zi-Yi Dou , Trevor Darrell , Joseph E. Gonzalez

Three-dimensional object recognition has recently achieved great progress thanks to the development of effective point cloud-based learning frameworks, such as PointNet and its extensions. However, existing methods rely heavily on fully…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Weikai Chen , Xiaoguang Han , Guanbin Li , Chao Chen , Jun Xing , Yajie Zhao , Hao Li

This paper presents AppealNet, a novel edge/cloud collaborative architecture that runs deep learning (DL) tasks more efficiently than state-of-the-art solutions. For a given input, AppealNet accurately predicts on-the-fly whether it can be…

Machine Learning · Computer Science 2021-11-29 Min Li , Yu Li , Ye Tian , Li Jiang , Qiang Xu

Single image reflection removal problem aims to divide a reflection-contaminated image into a transmission image and a reflection image. It is a canonical blind source separation problem and is highly ill-posed. In this paper, we present a…

Image and Video Processing · Electrical Eng. & Systems 2022-03-15 Jun-Jie Huang , Tianrui Liu , Zhixiong Yang , Shaojing Fu , Wentao Zhao , Pier Luigi Dragotti

We present a lightweight post-processing method to refine the semantic segmentation results of point cloud sequences. Most existing methods usually segment frame by frame and encounter the inherent ambiguity of the problem: based on a…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Yutaka Momma , Weimin Wang , Edgar Simo-Serra , Satoshi Iizuka , Ryosuke Nakamura , Hiroshi Ishikawa

Transformers with remarkable global representation capacities achieve competitive results for visual tasks, but fail to consider high-level local pattern information in input images. In this paper, we present a generic Dual-stream Network…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Mingyuan Mao , Renrui Zhang , Honghui Zheng , Peng Gao , Teli Ma , Yan Peng , Errui Ding , Baochang Zhang , Shumin Han

Semantic segmentation, a crucial task in computer vision, often relies on labor-intensive and costly annotated datasets for training. In response to this challenge, we introduce FuseNet, a dual-stream framework for self-supervised semantic…

Computer Vision and Pattern Recognition · Computer Science 2023-11-23 Amirhossein Kazerouni , Sanaz Karimijafarbigloo , Reza Azad , Yury Velichko , Ulas Bagci , Dorit Merhof

In point cloud compression, the quality of a reconstructed point cloud relies on both the global structure and the local context, with existing methods usually processing global and local information sequentially and lacking communication…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Xuan Deng , Xingtao Wang , Xiandong Meng , Xiaopeng Fan , Debin Zhao

The way that information propagates in neural networks is of great importance. In this paper, we propose Path Aggregation Network (PANet) aiming at boosting information flow in proposal-based instance segmentation framework. Specifically,…

Computer Vision and Pattern Recognition · Computer Science 2018-09-19 Shu Liu , Lu Qi , Haifang Qin , Jianping Shi , Jiaya Jia

We present a novel physics-informed deep learning framework for solving steady-state incompressible flow on multiple sets of irregular geometries by incorporating two main elements: using a point-cloud based neural network to capture…

Fluid Dynamics · Physics 2022-10-28 Ali Kashefi , Tapan Mukerji