no code implementations • 16 Oct 2023 • Yi Cao, Swetava Ganguli, Vipul Pandey
There exists a correlation between geospatial activity temporal patterns and type of land use.
no code implementations • 26 Sep 2023 • Daria Reshetova, Swetava Ganguli, C. V. Krishnakumar Iyer, Vipul Pandey
We propose a Self-supervised Anomaly Detection technique, called SeMAnD, to detect geometric anomalies in Multimodal geospatial datasets.
no code implementations • 25 Apr 2023 • Yi Cao, Swetava Ganguli, Vipul Pandey
There exists a correlation between geospatial activity temporal patterns and type of land use.
no code implementations • 7 Oct 2022 • Swetava Ganguli, C. V. Krishnakumar Iyer, Vipul Pandey
In this work, we propose a self-supervised method for learning representations of geographic locations from unlabeled GPS trajectories to solve downstream geospatial computer vision tasks.
no code implementations • 24 Oct 2021 • Swetava Ganguli, C. V. Krishnakumar Iyer, Vipul Pandey
In this paper, we propose a self-supervised method for learning representations of geographic locations from unlabeled GPS trajectories to solve downstream geospatial computer vision tasks.
no code implementations • 11 Sep 2021 • Xuerong Xiao, Swetava Ganguli, Vipul Pandey
Synthetically generating data (and labels) using a generative model that can sample from a target distribution and exploit the multi-scale nature of images can be an inexpensive solution to address scarcity of labeled data.
no code implementations • 21 Jun 2021 • C. V. Krishnakumar Iyer, Feili Hou, Henry Wang, Yonghong Wang, Kay Oh, Swetava Ganguli, Vipul Pandey
We present a no-code Artificial Intelligence (AI) platform called Trinity with the main design goal of enabling both machine learning researchers and non-technical geospatial domain experts to experiment with domain-specific signals and datasets for solving a variety of complex problems on their own.
no code implementations • 8 Dec 2020 • Xuerong Xiao, Swetava Ganguli, Vipul Pandey
Training robust supervised deep learning models for many geospatial applications of computer vision is difficult due to dearth of class-balanced and diverse training data.
no code implementations • 21 Sep 2020 • Swetava Ganguli, Sanjiva K. Lele
However, the effect of temperature variation on the drag of a sphere in both, forced and natural convection, is significant.
Fluid Dynamics Computational Physics
no code implementations • 14 Feb 2019 • Swetava Ganguli, Pedro Garzon, Noa Glaser
Our model translates the satellite image to the corresponding standard layer map image using three main model architectures: (i) a conditional Generative Adversarial Network (GAN) which compresses the images down to a learned embedding, (ii) a generator which is trained as a normalizing flow (RealNVP) model, and (iii) a conditional GAN where the generator translates via a series of convolutions to the standard layer of a map and the discriminator input is the concatenation of the real/generated map and the satellite image.
no code implementations • 13 Feb 2019 • Swetava Ganguli, Jared Dunnmon, Darren Hau
Obtaining reliable data describing local Food Security Metrics (FSM) at a granularity that is informative to policy-makers requires expensive and logistically difficult surveys, particularly in the developing world.
no code implementations • 13 Feb 2019 • Anthony Perez, Swetava Ganguli, Stefano Ermon, George Azzari, Marshall Burke, David Lobell
Obtaining reliable data describing local poverty metrics at a granularity that is informative to policy-makers requires expensive and logistically difficult surveys, particularly in the developing world.
no code implementations • 13 Feb 2019 • Jared Dunnmon, Swetava Ganguli, Darren Hau, Brooke Husic
The ability to obtain accurate food security metrics in developing areas where relevant data can be sparse is critically important for policy makers tasked with implementing food aid programs.