no code implementations • 19 Sep 2023 • Subash Khanal, Srikumar Sastry, Aayush Dhakal, Nathan Jacobs
We focus on the task of soundscape mapping, which involves predicting the most probable sounds that could be perceived at a particular geographic location.
Ranked #1 on
Cross-Modal Retrieval
on SoundingEarth
(using extra training data)
no code implementations • 4 Sep 2023 • Zhexiao Xiong, Feng Qiao, Yu Zhang, Nathan Jacobs
We introduce a novel training strategy for stereo matching and optical flow estimation that utilizes image-to-image translation between synthetic and real image domains.
no code implementations • 29 Jul 2023 • Aayush Dhakal, Adeel Ahmad, Subash Khanal, Srikumar Sastry, Nathan Jacobs
We refer to this new line of work of creating textual maps as zero-shot mapping.
no code implementations • 31 May 2023 • Cohen Archbold, Benjamin Brodie, Aram Ansary Ogholbake, Nathan Jacobs
The monetary value of a given piece of real estate, a parcel, is often readily available from a geographic information system.
1 code implementation • 28 Nov 2022 • Anindya Sarkar, Michael Lanier, Scott Alfeld, Jiarui Feng, Roman Garnett, Nathan Jacobs, Yevgeniy Vorobeychik
We model this class of problems in a visual active search (VAS) framework, which takes as input an image of a broad area, and aims to identify as many examples of a target object as possible.
no code implementations • 1 Nov 2022 • Xiao Xiang Zhu, Yuanyuan Wang, Mrinalini Kochupillai, Martin Werner, Matthias Häberle, Eike Jens Hoffmann, Hannes Taubenböck, Devis Tuia, Alex Levering, Nathan Jacobs, Anna Kruspe, Karam Abdulahhad
In this article, we address key aspects in the field, including data availability, analysis-ready data preparation and data management, geo-information extraction from social media text messages and images, and the fusion of social media and remote sensing data.
1 code implementation • 29 Jun 2022 • Subash Khanal, Benjamin Brodie, Xin Xing, Ai-Ling Lin, Nathan Jacobs
There have been several post-hoc explanation approaches developed to explain pre-trained black-box neural networks.
no code implementations • CVPR 2022 • Scott Workman, M. Usman Rafique, Hunter Blanton, Nathan Jacobs
We introduce a novel architecture for near/remote sensing that is based on geospatial attention and demonstrate its use for five segmentation tasks.
no code implementations • 18 Oct 2021 • Yu Zhang, Gongbo Liang, Nathan Jacobs
Most research on domain adaptation has focused on the purely unsupervised setting, where no labeled examples in the target domain are available.
no code implementations • 4 May 2021 • David Jones, Nathan Jacobs
We show that our method performs as well as the best baseline in areas with similar intensity distributions, and outperforms all baselines in areas with different intensity distributions.
1 code implementation • 11 Apr 2021 • Devis Tuia, Ribana Roscher, Jan Dirk Wegner, Nathan Jacobs, Xiao Xiang Zhu, Gustau Camps-Valls
In the last years we have witnessed the fields of geosciences and remote sensing and artificial intelligence to become closer.
1 code implementation • IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY 2022 • Rafael Padilha, Tawfiq Salem, Scott Workman, Fernanda A. Andaló, Anderson Rocha, Nathan Jacobs
Finally, we demonstrate how the proposed method can be employed to estimate a possible time-of-capture in scenarios in which the timestamp is missing from the metadata.
no code implementations • CVPR 2020 • Tawfiq Salem, Scott Workman, Nathan Jacobs
The appearance of the world varies dramatically not only from place to place but also from hour to hour and month to month.
no code implementations • 22 Dec 2020 • Hunter Blanton, Scott Workman, Nathan Jacobs
Direct methods, such as PoseNet, regress pose from the image as a fixed function, for example using a feed-forward convolutional network.
no code implementations • CVPR 2020 • Scott Workman, Nathan Jacobs
Our goal is to use overhead imagery to understand patterns in traffic flow, for instance answering questions such as how fast could you traverse Times Square at 3am on a Sunday.
no code implementations • 4 Dec 2020 • Gongbo Liang, Yuanyuan Su, Sheng-Chieh Lin, Yu Zhang, Yuanyuan Zhang, Nathan Jacobs
We believe the proposed method will benefit astronomy and cosmology, where a large number of unlabeled multi-band images are available, but acquiring image labels is costly.
1 code implementation • 30 Nov 2020 • Xin Xing, Gongbo Liang, Hunter Blanton, Muhammad Usman Rafique, Chris Wang, Ai-Ling Lin, Nathan Jacobs
We propose to apply a 2D CNN architecture to 3D MRI image Alzheimer's disease classification.
no code implementations • 6 Oct 2020 • Gongbo Liang, Connor Greenwell, Yu Zhang, Xiaoqin Wang, Ramakanth Kavuluru, Nathan Jacobs
A key challenge in training neural networks for a given medical imaging task is often the difficulty of obtaining a sufficient number of manually labeled examples.
no code implementations • 9 Sep 2020 • Gongbo Liang, Yu Zhang, Xiaoqin Wang, Nathan Jacobs
Recent works have shown that deep neural networks can achieve super-human performance in a wide range of image classification tasks in the medical imaging domain.
no code implementations • 29 Jul 2020 • Scott Workman, M. Usman Rafique, Hunter Blanton, Connor Greenwell, Nathan Jacobs
A primary challenge in developing algorithms for identifying such artifacts is the cost of collecting annotated training data.
1 code implementation • 25 Jun 2020 • Armin Hadzic, Gordon Christie, Jeffrey Freeman, Amber Dismer, Stevan Bullard, Ashley Greiner, Nathan Jacobs, Ryan Mukherjee
We introduce a deep learning approach to perform fine-grained population estimation for displacement camps using high-resolution overhead imagery.
no code implementations • 14 Jun 2020 • Armin Hadzic, Hunter Blanton, Weilian Song, Mei Chen, Scott Workman, Nathan Jacobs
Roadway free-flow speed captures the typical vehicle speed in low traffic conditions.
no code implementations • 2 Mar 2020 • Yu Zhang, Gongbo Liang, Nathan Jacobs, Xiaoqin Wang
Generalization is one of the key challenges in the clinical validation and application of deep learning models to medical images.
no code implementations • 27 Feb 2020 • Gongbo Liang, Xiaoqin Wang, Yu Zhang, Xin Xing, Hunter Blanton, Tawfiq Salem, Nathan Jacobs
Breast cancer is the malignant tumor that causes the highest number of cancer deaths in females.
no code implementations • 27 Feb 2020 • Yu Zhang, Gongbo Liang, Tawfiq Salem, Nathan Jacobs
Despite remarkable performance across a broad range of tasks, neural networks have been shown to be vulnerable to adversarial attacks.
no code implementations • 27 Feb 2020 • Yu Zhang, Xiaoqin Wang, Hunter Blanton, Gongbo Liang, Xin Xing, Nathan Jacobs
Automated methods for breast cancer detection have focused on 2D mammography and have largely ignored 3D digital breast tomosynthesis (DBT), which is frequently used in clinical practice.
no code implementations • 16 Sep 2019 • Menghua Zhai, Tawfiq Salem, Connor Greenwell, Scott Workman, Robert Pless, Nathan Jacobs
We propose to implicitly learn to extract geo-temporal image features, which are mid-level features related to when and where an image was captured, by explicitly optimizing for a set of location and time estimation tasks.
no code implementations • 16 Sep 2019 • Tawfiq Salem, Connor Greenwell, Hunter Blanton, Nathan Jacobs
Looking at the world from above, it is possible to estimate many properties of a given location, including the type of land cover and the expected land use.
no code implementations • 24 Jun 2019 • Weilian Song, Tawfiq Salem, Hunter Blanton, Nathan Jacobs
We propose an automated method to estimate a road segment's free-flow speed from overhead imagery and road metadata.
1 code implementation • 17 Jan 2019 • Weilian Song, Scott Workman, Armin Hadzic, Xu Zhang, Eric Green, Mei Chen, Reginald Souleyrette, Nathan Jacobs
An emerging approach for conducting such assessments in the United States is through the US Road Assessment Program (usRAP), which rates roads from highest risk (1 star) to lowest (5 stars).
1 code implementation • 22 Oct 2018 • Nathan Jacobs, Adam Kraft, Muhammad Usman Rafique, Ranti Dev Sharma
We propose a neural network component, the regional aggregation layer, that makes it possible to train a pixel-level density estimator using only coarse-grained density aggregates, which reflect the number of objects in an image region.
no code implementations • 2 Aug 2018 • Connor Greenwell, Scott Workman, Nathan Jacobs
In this work, we propose a cross-view learning approach, in which images captured from a ground-level view are used as weakly supervised annotations for interpreting overhead imagery.
no code implementations • ECCV 2018 • Samuel Schulter, Menghua Zhai, Nathan Jacobs, Manmohan Chandraker
Given a single RGB image of a complex outdoor road scene in the perspective view, we address the novel problem of estimating an occlusion-reasoned semantic scene layout in the top-view.
no code implementations • ICCV 2017 • Scott Workman, Menghua Zhai, David J. Crandall, Nathan Jacobs
To evaluate our approach, we created a large dataset of overhead and ground-level images from a major urban area with three sets of labels: land use, building function, and building age.
no code implementations • ICCV 2017 • Nam Vo, Nathan Jacobs, James Hays
The recent state-of-the-art approach to this problem is a deep image classification approach in which the world is spatially divided into cells and a deep network is trained to predict the correct cell for a given image.
Ranked #4 on
Photo geolocation estimation
on Im2GPS
(using extra training data)
no code implementations • ICCV 2017 • Scott Workman, Richard Souvenir, Nathan Jacobs
While natural beauty is often considered a subjective property of images, in this paper, we take an objective approach and provide methods for quantifying and predicting the scenicness of an image.
1 code implementation • CVPR 2017 • Menghua Zhai, Zachary Bessinger, Scott Workman, Nathan Jacobs
We use our network to address the task of estimating the geolocation and geoorientation of a ground image.
Ranked #6 on
Cross-View Image-to-Image Translation
on cvusa
1 code implementation • CVPR 2016 • Menghua Zhai, Scott Workman, Nathan Jacobs
Our method reverses this process: we propose a set of horizon line candidates and score each based on the vanishing points it contains.
Ranked #2 on
Horizon Line Estimation
on York Urban Dataset
1 code implementation • 7 Apr 2016 • Scott Workman, Menghua Zhai, Nathan Jacobs
The horizon line is an important contextual attribute for a wide variety of image understanding tasks.
Ranked #2 on
Horizon Line Estimation
on Horizon Lines in the Wild
no code implementations • ICCV 2015 • Calvin Murdock, Nathan Jacobs, Robert Pless
Satellite imagery of cloud cover is extremely important for understanding and predicting weather.
no code implementations • ICCV 2015 • Scott Workman, Richard Souvenir, Nathan Jacobs
We propose to use deep convolutional neural networks to address the problem of cross-view image geolocalization, in which the geolocation of a ground-level query image is estimated by matching to georeferenced aerial images.
no code implementations • CVPR 2013 • Nathan Jacobs, Mohammad T. Islam, Scott Workman
We propose cloud motion as a natural scene cue that enables geometric calibration of static outdoor cameras.
no code implementations • 15 Apr 2013 • Austin Abrams, Chris Hawley, Kylia Miskell, Adina Stoica, Nathan Jacobs, Robert Pless
We show these approaches only work with very careful tuning of parameters, and do not work well for long-term time-lapse sequences taken over the span of many months.