Playbook for Data Quality Management for Geospatial Data
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CDPG
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February 4, 2025
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Data Policy
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Playbook for Data Quality Management for Geospatial Data Authors: Minnu Malieckal, Anjula Gurtoo, Jyotirmoy Dutta, Linda Theres B, Sandeep P This document is intended as a playbook for the geospatial sector to better understand what is meant by data, its use and how to manage its quality. The playbook details domains and datasets in geospatial sector, types of data, data …
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Building a Privacy Web with SPIDEr – Secure Pipeline for Information De-Identification with End-to-End Encryption
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CDPG
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February 3, 2025
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Data Privacy
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Building a Privacy Web with SPIDEr – Secure Pipeline for Information De-Identification with End-to-End Encryption Authors: N. Chakraborty, A. Tandon, K. Reddy, K. Kirpekar, B. Robert, H. Kumar, A. Venkatesh, A. Sharma Data de-identification makes it possible to glean insights from data while preserving user privacy. The use of Trusted Execution Environments (TEEs) allow for the execution of de-identification applications …
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Optimal Tree-Based Mechanisms for Differentially Private Approximate CDFs
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CDPG
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February 3, 2025
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Data Privacy
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Optimal Tree-Based Mechanisms for Differentially Private Approximate CDFs Authors: V. A. Rameshwar, A. Tandon, and A. Sharma This paper considers the epsilon-differentially private (DP) release of an approximate cumulative distribution function (CDF) of the samples in a dataset. We assume that the true (approximate) CDF is obtained after lumping the data samples into a fixed number K of bins. In …
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Enhancing MOTION2NX for Efficient, Scalable and Secure Image Inference using Convolutional Neural Networks
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CDPG
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February 3, 2025
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Data Privacy
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December 2023 Enhancing MOTION2NX for Efficient, Scalable and Secure Image Inference using Convolutional Neural Networks Authors: H. Kallamadi, R. Burra, S. Mittal, S. Sharma, A. Venkatesh, A. Tandon This work contributes towards the development of an efficient and scalable open-source Secure Multi-Party Computation (SMPC) protocol on machines with moderate computational resources. We use the ABY2.0 SMPC protocol implemented on the …
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Performance Evaluation of Geospatial Images based on Zarr and Tiff
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CDPG
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January 23, 2025
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Data Analytics
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Nov 2024 Performance Evaluation of Geospatial Images based on Zarr and Tiff Authors: Jaheer khan, Swarup E, Rakshit Ramesh This evaluates the performance of geospatial image processing using two distinct data storage formats: Zarr and TIFF. Geospatial images, converted to numerous applications like environmental monitoring, urban planning, and disaster management. Traditional Tagged Image File Format is mostly used because it …
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Cross Pseudo Supervision Framework for Sparsely Labelled Geospatial Images
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CDPG
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January 23, 2025
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Data Analytics
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Aug 2024 Cross Pseudo Supervision Framework for Sparsely Labelled Geospatial Images Authors: Yash Dixit, Naman Srivastava, Joel D Joy, Rohan Olikara, Swarup E, Rakshit Ramesh Land Use Land Cover (LULC) mapping is a vital tool for urban and resource planning, playing a key role in the development of innovative and sustainable cities. This study introduces a semi-supervised segmentation model for …
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An Atmospheric Correction Integrated LULC Segmentation Model for High-Resolution Satellite Imagery
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CDPG
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January 23, 2025
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Data Analytics
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Sep 2024 An Atmospheric Correction Integrated LULC Segmentation Model for High-Resolution Satellite Imagery Authors: Soham Mukherjeea, Yash Dixit, Naman Srivastava, Joel D Joy, Koesha Sinha, Rohan Olikara, Swarup E, Rakshit Ramesh The integration of fine-scale multispectral imagery with deep learning models has revolutionized land use and land cover (LULC) classification. However, the atmospheric effects present in Top-of-Atmosphere sensor measured Digital …
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Enhanced ETA Predictions with T-GCN on Optimized Road Segments
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CDPG
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January 23, 2025
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Data Analytics
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Oct 2024 Enhanced ETA Predictions with T-GCN on Optimized Road Segments Authors: Shivika Sharma, Nandini Mawane, Chetan Kumar Kuraganti, Dhruthick Gowda M, Mayur Taware, Yash Chandrashekhar Dixit, Sahil Mishra, Raghu Krishnapuram and Rakshit Ramesh Accurate Estimated Time of Arrival (ETA) predictions play a critical role in improving the operational efficiency, traffic management, and reliability of services in transit systems. This …
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Data-Driven Solid Waste Management Optimization with Vehicle Routing and Redistribution Strategy
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CDPG
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January 23, 2025
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Data Analytics
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Oct 2024 Data-Driven Solid Waste Management Optimization with Vehicle Routing and Redistribution Strategy Authors: Chetan Kumar Kuraganti, Arun Josephraj, Saanidhya Vats, Amarthya KR, Koesha Sinha, Raghu Krishnapuram and Rakshit Ramesh This paper presents two techniques for optimizing solid waste management (SWM) systems of a city. The first technique involves planning routes for garbage collection vehicles which utilizes the Capacitated Vehicle …
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A Contributory Public-Event Recording and Querying System
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CDPG
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January 23, 2025
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Data Privacy
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December 2023 A Contributory Public-Event Recording and Querying System Authors: Arun Joseph, Nikita Yadav, Vinod Ganapathy, Dushyant Behl CCTV (Closed-Circuit Television) systems are commonly used for security and surveillance. They provide a visual record of events, which can be used to monitor criminal activity, support investigations, and improve public safety. Many cities have implemented a number of cameras for surveillance, …
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