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We propose Neural Gradient Learning (NGL), a deep learning approach to learn gradient vectors with consistent orientation from 3D point clouds for normal estimation. It has excellent gradient approximation properties for the underlying…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Qing Li , Huifang Feng , Kanle Shi , Yi Fang , Yu-Shen Liu , Zhizhong Han

While most state-of-the-art instance segmentation methods produce binary segmentation masks, geographic and cartographic applications typically require precise vector polygons of extracted objects instead of rasterized output. This paper…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Stefano Zorzi , Shabab Bazrafkan , Stefan Habenschuss , Friedrich Fraundorfer

We present a novel graph Transformer generative adversarial network (GTGAN) to learn effective graph node relations in an end-to-end fashion for the challenging graph-constrained house generation task. The proposed graph-Transformer-based…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Hao Tang , Zhenyu Zhang , Humphrey Shi , Bo Li , Ling Shao , Nicu Sebe , Radu Timofte , Luc Van Gool

Aerodynamic optimization is crucial for developing eco-friendly, aerodynamic, and stylish cars, which requires close collaboration between aerodynamicists and stylists, a collaboration impaired by the time-consuming nature of aerodynamic…

Machine Learning · Computer Science 2025-08-05 Sam Jacob Jacob , Markus Mrosek , Carsten Othmer , Harald Köstler

Remote sensing segmentation has a wide range of applications in environmental protection, and urban change detection, etc. Despite the success of deep learning-based remote sensing segmentation methods (e.g., CNN and Transformer), they are…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Yuntao Shou , Wei Ai , Tao Meng , Nan Yin

Convolutional Neural Networks (CNNs) are widely assumed to be translation-invariant, yet standard architectures exhibit a startling fragility: even a single-pixel shift can drastically degrade performance due to their reliance on spatially…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Nuria Alabau-Bosque , Jorge Vila-Tomas , Paula Dauden-Oliver , Valero Laparra , Jesus Malo

Conventional 2D Convolutional Neural Networks (CNN) extract features from an input image by applying linear filters. These filters compute the spatial coherence by weighting the photometric information on a fixed neighborhood without taking…

Computer Vision and Pattern Recognition · Computer Science 2020-09-24 Zongwei Wu , Guillaume Allibert , Christophe Stolz , Cedric Demonceaux

Locating discriminative parts plays a key role in fine-grained visual classification due to the high similarities between different objects. Recent works based on convolutional neural networks utilize the feature maps taken from the last…

Computer Vision and Pattern Recognition · Computer Science 2021-03-05 Jianwei Song , Ruoyu Yang

Remote sensing image scene classification is a fundamental but challenging task in understanding remote sensing images. Recently, deep learning-based methods, especially convolutional neural network-based (CNN-based) methods have shown…

Computer Vision and Pattern Recognition · Computer Science 2020-01-28 Jie Chen , Haozhe Huang , Jian Peng , Jiawei Zhu , Li Chen , Wenbo Li , Binyu Sun , Haifeng Li

Convolutional neural networks (CNNs) demonstrate excellent performance in various computer vision applications. In recent years, FPGA-based CNN accelerators have been proposed for optimizing performance and power efficiency. Most…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-12-19 Jung-Woo Chang , Keon-Woo Kang , Suk-Ju Kang

3D room layout estimation by a single panorama using deep neural networks has made great progress. However, previous approaches can not obtain efficient geometry awareness of room layout with the only latitude of boundaries or…

Computer Vision and Pattern Recognition · Computer Science 2022-03-28 Zhigang Jiang , Zhongzheng Xiang , Jinhua Xu , Ming Zhao

In the past few years, convolutional neural nets (CNN) have shown incredible promise for learning visual representations. In this paper, we use CNNs for the task of predicting surface normals from a single image. But what is the right…

Computer Vision and Pattern Recognition · Computer Science 2014-11-19 Xiaolong Wang , David F. Fouhey , Abhinav Gupta

Convolutional Neural Networks (CNNs) have gained widespread popularity in the field of computer vision and image processing. Due to huge computational requirements of CNNs, dedicated hardware-based implementations are being explored to…

Signal Processing · Electrical Eng. & Systems 2019-03-06 Afzal Ahmad , Muhammad Adeel Pasha

Convolutional neural network (CNN) delivers impressive achievements in computer vision and machine learning field. However, CNN incurs high computational complexity, especially for vision quality applications because of large image…

Image and Video Processing · Electrical Eng. & Systems 2019-08-07 Wei-Ting Wang , Han-Lin Li , Wei-Shiang Lin , Cheng-Ming Chiang , Yi-Min Tsai

Graph Neural Networks (GNNs) are emerging as powerful tools for nonlinear Model Order Reduction (MOR) of time-dependent parameterized Partial Differential Equations (PDEs). However, existing methodologies struggle to combine geometric…

Machine Learning · Computer Science 2026-01-19 Lorenzo Tomada , Federico Pichi , Gianluigi Rozza

In this paper, we propose a novel formulation to extend CNNs to two-dimensional (2D) manifolds using orthogonal basis functions, called Zernike polynomials. In many areas, geometric features play a key role in understanding scientific…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Zhiyu Sun , Ethan Rooke , Jerome Charton , Yusen He , Jia Lu , Stephen Baek

Existing panoramic depth estimation methods based on convolutional neural networks (CNNs) focus on removing panoramic distortions, failing to perceive panoramic structures efficiently due to the fixed receptive field in CNNs. This paper…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Zhijie Shen , Chunyu Lin , Kang Liao , Lang Nie , Zishuo Zheng , Yao Zhao

We propose a novel scene graph generation model called Graph R-CNN, that is both effective and efficient at detecting objects and their relations in images. Our model contains a Relation Proposal Network (RePN) that efficiently deals with…

Computer Vision and Pattern Recognition · Computer Science 2018-08-02 Jianwei Yang , Jiasen Lu , Stefan Lee , Dhruv Batra , Devi Parikh

Convolutional Neural Networks (CNN) are widely used to face challenging tasks like speech recognition, natural language processing or computer vision. As CNN architectures get larger and more complex, their computational requirements…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Luis Balderas , Miguel Lastra , José M. Benítez

We analyze the applicability of convolutional neural network (CNN) architectures for downscaling of short-range forecasts of near-surface winds on extended spatial domains. Short-range wind field forecasts (at the 100 m level) from ECMWF…

Atmospheric and Oceanic Physics · Physics 2020-12-22 Kevin Höhlein , Michael Kern , Timothy Hewson , Rüdiger Westermann