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The success of deep learning has set new benchmarks for many medical image analysis tasks. However, deep models often fail to generalize in the presence of distribution shifts between training (source) data and test (target) data. One…

Image and Video Processing · Electrical Eng. & Systems 2022-06-28 Dwarikanath Mahapatra

We present a deep convolutional neural network for estimating the relative homography between a pair of images. Our feed-forward network has 10 layers, takes two stacked grayscale images as input, and produces an 8 degree of freedom…

Computer Vision and Pattern Recognition · Computer Science 2016-06-14 Daniel DeTone , Tomasz Malisiewicz , Andrew Rabinovich

Domain shift in digital histopathology can occur when different stains or scanners are used, during stain translation, etc. A deep neural network trained on source data may not generalise well to data that has undergone some domain shift.…

Image and Video Processing · Electrical Eng. & Systems 2022-05-10 Zeeshan Nisar , Jelica Vasiljević , Pierre Gançarski , Thomas Lampert

Homography estimation is an important task in computer vision applications, such as image stitching, video stabilization, and camera calibration. Traditional homography estimation methods heavily depend on the quantity and distribution of…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Lang Nie , Chunyu Lin , Kang Liao , Shuaicheng Liu , Yao Zhao

In AI-based histopathology, domain shifts are common and well-studied. However, this research focuses on stain and scanner variations, which do not show the full picture -- shifts may be combinations of other shifts, or "invisible" shifts…

Image and Video Processing · Electrical Eng. & Systems 2023-05-10 Andrew Walker

In search of robust and generalizable machine learning models, Domain Generalization (DG) has gained significant traction during the past few years. The goal in DG is to produce models which continue to perform well when presented with data…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Aristotelis Ballas , Christos Diou

Unsupervised domain adaptation algorithms aim to transfer the knowledge learned from one domain to another (e.g., synthetic to real images). The adapted representations often do not capture pixel-level domain shifts that are crucial for…

Computer Vision and Pattern Recognition · Computer Science 2020-01-13 Yun-Chun Chen , Yen-Yu Lin , Ming-Hsuan Yang , Jia-Bin Huang

Recent unsupervised domain adaptation methods based on deep architectures have shown remarkable performance not only in traditional classification tasks but also in more complex problems involving structured predictions (e.g. semantic…

Computer Vision and Pattern Recognition · Computer Science 2020-08-05 Levi O. Vasconcelos , Massimiliano Mancini , Davide Boscaini , Samuel Rota Bulo , Barbara Caputo , Elisa Ricci

Deep learning models for dermatological image analysis remain sensitive to acquisition variability and domain-specific visual characteristics, leading to performance degradation when deployed in clinical settings. We investigate how visual…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Rodrigo Mota , Kelvin Cunha , Emanoel dos Santos , Fábio Papais , Francisco Filho , Thales Bezerra , Erico Medeiros , Paulo Borba , Tsang Ing Ren

Fully-supervised CNN-based approaches for learning local image descriptors have shown remarkable results in a wide range of geometric tasks. However, most of them require per-pixel ground-truth keypoint correspondence data which is…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Iaroslav Melekhov , Zakaria Laskar , Xiaotian Li , Shuzhe Wang , Juho Kannala

Planar homography estimation is foundational to many computer vision problems, such as Simultaneous Localization and Mapping (SLAM) and Augmented Reality (AR). However, conditions of high variance confound even the state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 David Niblick , Avinash Kak

Deep neural networks are widely used in image classification problems. However, little work addresses how features from different deep neural networks affect the domain adaptation problem. Existing methods often extract deep features from…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 Youshan Zhang , Brian D. Davison

Convolutional neural networks (CNNs) have demonstrated remarkable success in vision-related tasks. However, their susceptibility to failing when inputs deviate from the training distribution is well-documented. Recent studies suggest that…

Computer Vision and Pattern Recognition · Computer Science 2023-07-14 Pradyumna Elavarthi , James Lee , Anca Ralescu

Comprehensive semantic segmentation is one of the key components for robust scene understanding and a requirement to enable autonomous driving. Driven by large scale datasets, convolutional neural networks show impressive results on this…

Computer Vision and Pattern Recognition · Computer Science 2019-08-30 Jan-Nico Zaech , Dengxin Dai , Martin Hahner , Luc Van Gool

End-to-end deep learning improves breast cancer classification on diffusion-weighted MR images (DWI) using a convolutional neural network (CNN) architecture. A limitation of CNN as opposed to previous model-based approaches is the…

We propose a general framework for unsupervised domain adaptation, which allows deep neural networks trained on a source domain to be tested on a different target domain without requiring any training annotations in the target domain. This…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Zak Murez , Soheil Kolouri , David Kriegman , Ravi Ramamoorthi , Kyungnam Kim

Recent studies reveal that a deep neural network can learn transferable features which generalize well to novel tasks for domain adaptation. However, as deep features eventually transition from general to specific along the network, the…

Machine Learning · Computer Science 2015-05-28 Mingsheng Long , Yue Cao , Jianmin Wang , Michael I. Jordan

In this paper, we study the problem of transfer learning with the attribute data. In the transfer learning problem, we want to leverage the data of the auxiliary and the target domains to build an effective model for the classification…

Machine Learning · Computer Science 2018-04-03 Fang Su , Jing-Yan Wang

We address the problem of camera pose estimation in visual localization. Current regression-based methods for pose estimation are trained and evaluated scene-wise. They depend on the coordinate frame of the training dataset and show a low…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Boris Chidlovskii , Assem Sadek

Feature extraction with convolutional neural networks (CNNs) is a popular method to represent images for machine learning tasks. These representations seek to capture global image content, and ideally should be independent of geometric…

Machine Learning · Computer Science 2022-03-03 Jake Lee , Junfeng Yang , Zhangyang Wang