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In this study, novel physics-informed neural network (PINN) methods for coupling neighboring support points and their derivative terms which are obtained by automatic differentiation (AD), are proposed to allow efficient training with…

Machine Learning · Computer Science 2022-12-16 Pao-Hsiung Chiu , Jian Cheng Wong , Chinchun Ooi , My Ha Dao , Yew-Soon Ong

The problem of landmark recognition has achieved excellent results in small-scale datasets. When dealing with large-scale retrieval, issues that were irrelevant with small amount of data, quickly become fundamental for an efficient…

Computer Vision and Pattern Recognition · Computer Science 2018-06-18 Federico Magliani , Tomaso Fontanini , Andrea Prati

We introduce an optimized physics-informed neural network (PINN) trained to solve the problem of identifying and characterizing a surface breaking crack in a metal plate. PINNs are neural networks that can combine data and physics in the…

Machine Learning · Computer Science 2020-05-09 Khemraj Shukla , Patricio Clark Di Leoni , James Blackshire , Daniel Sparkman , George Em Karniadakis

In this work, we introduce a Denser Feature Network (DenserNet) for visual localization. Our work provides three principal contributions. First, we develop a convolutional neural network (CNN) architecture which aggregates feature maps at…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Dongfang Liu , Yiming Cui , Liqi Yan , Christos Mousas , Baijian Yang , Yingjie Chen

Image splicing is a very common image manipulation technique that is sometimes used for malicious purposes. A splicing detec- tion and localization algorithm usually takes an input image and produces a binary decision indicating whether the…

Computer Vision and Pattern Recognition · Computer Science 2017-05-30 Yue Wu , Wael AbdAlmageed , Prem Natarajan

We propose a general purpose approach to detect landmarks with improved temporal consistency, and personalization. Most sparse landmark detection methods rely on laborious, manually labelled landmarks, where inconsistency in annotations…

Computer Vision and Pattern Recognition · Computer Science 2021-04-12 David Ferman , Gaurav Bharaj

Accurate and automatic organ segmentation from 3D radiological scans is an important yet challenging problem for medical image analysis. Specifically, the pancreas demonstrates very high inter-patient anatomical variability in both its…

Computer Vision and Pattern Recognition · Computer Science 2017-02-02 Holger R. Roth , Le Lu , Nathan Lay , Adam P. Harrison , Amal Farag , Andrew Sohn , Ronald M. Summers

We describe a novel approach to image based localisation in urban environments using semantic matching between images and a 2-D map. It contrasts with the vast majority of existing approaches which use image to image database matching. We…

Computer Vision and Pattern Recognition · Computer Science 2018-03-05 Pilailuck Panphattarasap , Andrew Calway

Tracking cells in 3D at high speed continues to attract extensive attention for many biomedical applications, such as monitoring immune cell migration and observing tumor metastasis in flowing blood vessels. Here, we propose a deep…

Optics · Physics 2018-05-16 Kan Liu , Hui Qiao , Jiamin Wu , Haoqian Wang , Lu Fang , Qionghai Dai

Various recent methods attempt to implement rotation-invariant 3D deep learning by replacing the input coordinates of points with relative distances and angles. Due to the incompleteness of these low-level features, they have to undertake…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Yujing Lou , Zelin Ye , Yang You , Nianjuan Jiang , Jiangbo Lu , Weiming Wang , Lizhuang Ma , Cewu Lu

The calibration of constitutive models from full-field data has recently gained increasing interest due to improvements in full-field measurement capabilities. In addition to the experimental characterization of novel materials, continuous…

Machine Learning · Computer Science 2025-06-03 David Anton , Jendrik-Alexander Tröger , Henning Wessels , Ulrich Römer , Alexander Henkes , Stefan Hartmann

We present highly efficient algorithms for performing forward and backward propagation of Convolutional Neural Network (CNN) for pixelwise classification on images. For pixelwise classification tasks, such as image segmentation and object…

Computer Vision and Pattern Recognition · Computer Science 2014-12-17 Hongsheng Li , Rui Zhao , Xiaogang Wang

Real-time localization of prostate gland in trans-rectal ultrasound images is a key technology that is required to automate the ultrasound guided prostate biopsy procedures. In this paper, we propose a new deep learning based approach which…

Computer Vision and Pattern Recognition · Computer Science 2018-05-29 Ahmet Tuysuzoglu , Jeremy Tan , Kareem Eissa , Atilla P. Kiraly , Mamadou Diallo , Ali Kamen

In this paper, we propose a novel approach that learns to sequentially attend to different Convolutional Neural Networks (CNN) layers (i.e., ``what'' feature abstraction to attend to) and different spatial locations of the selected feature…

Computer Vision and Pattern Recognition · Computer Science 2019-06-03 Tony Joseph , Konstantinos G. Derpanis , Faisal Z. Qureshi

With the rapid development of deep learning and computer vision technologies, medical image segmentation plays a crucial role in the early diagnosis of breast cancer. However, due to the characteristics of breast ultrasound images, such as…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Jiajun Ding , Beiyao Zhu , Wenjie Wang , Shurong Zhang , Dian Zhua , Zhao Liua

Understanding and extracting 3D information of objects from monocular 2D images is a fundamental problem in computer vision. In the task of 3D object pose estimation, recent data driven deep neural network based approaches suffer from…

Computer Vision and Pattern Recognition · Computer Science 2018-08-06 Jogendra Nath Kundu , Aditya Ganeshan , Rahul M. V. , Aditya Prakash , R. Venkatesh Babu

We present a method to predict image deformations based on patch-wise image appearance. Specifically, we design a patch-based deep encoder-decoder network which learns the pixel/voxel-wise mapping between image appearance and registration…

Computer Vision and Pattern Recognition · Computer Science 2016-07-11 Xiao Yang , Roland Kwitt , Marc Niethammer

Deep learning models have revolutionized the field of medical image analysis, due to their outstanding performances. However, they are sensitive to spurious correlations, often taking advantage of dataset bias to improve results for…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Diogo J. Araújo , M. Rita Verdelho , Alceu Bissoto , Jacinto C. Nascimento , Carlos Santiago , Catarina Barata

Semantic labeling (or pixel-level land-cover classification) in ultra-high resolution imagery (< 10cm) requires statistical models able to learn high level concepts from spatial data, with large appearance variations. Convolutional Neural…

Computer Vision and Pattern Recognition · Computer Science 2017-03-08 Michele Volpi , Devis Tuia

We propose an efficient pipeline for large-scale landmark image retrieval that addresses the diversity of the dataset through two-stage discriminative re-ranking. Our approach is based on embedding the images in a feature-space using a…

Computer Vision and Pattern Recognition · Computer Science 2020-03-26 Shuhei Yokoo , Kohei Ozaki , Edgar Simo-Serra , Satoshi Iizuka