Patrick HagertyEnsemble ModelsCredit card receipts, footfall traffic, and web scrapes are early examples of alternative data. New, diverse data sources are rapidly…Aug 19, 2020Aug 19, 2020
Patrick HagertyinGab41Entropic GhostsIn this post, we investigate methods of redacting information from a machine learning classifier. The topic is inspired by the collection…Mar 1, 2019Mar 1, 2019
Patrick HagertyTime Series Analysis for Alternative DataAs Chief Data Scientist at Adaptive Management, my goal is to make data simple for our clients. Alternative data sources (such as credit…May 23, 2018May 23, 2018
Patrick HagertyinThe DownLinQSuper-Resolution on Satellite Imagery using Deep Learning, Part 3In previous posts (Part 1 and Part 2), we trained a neural network to perform image enhancement using Peak Signal-to-Noise Ratio (PSNR) as…Mar 8, 2017Mar 8, 2017
Patrick HagertyinThe DownLinQSuper-Resolution on Satellite Imagery using Deep Learning, Part 2In Part 1, we trained the neural network CosmiQNet to enhance 3-band satellite imagery. In this post, we continue this investigation with…Dec 6, 20161Dec 6, 20161
Patrick HagertyinThe DownLinQSuper-Resolution on Satellite Imagery using Deep Learning, Part 1Yann Lecun has compared supervised learning to the icing on a cake, and unsupervised learning as the cake, asserting that we know how to…Nov 18, 20166Nov 18, 20166
Patrick HagertyinThe DownLinQThe SpaceNet MetricIn SpaceNet Challenge, the metric for ranking entries is based on the Jaccard Index, also called the Intersection-over-Union (IoU). This…Nov 10, 2016Nov 10, 2016
Patrick HagertyinThe DownLinQObject Detection on SpaceNetThis post presents a walk through of an object detection process applied to SpaceNet imagery. The strategy employed is far from optimal but…Oct 11, 20164Oct 11, 20164
Patrick HagertyinThe DownLinQEstablishing a Machine Learning WorkflowWhile the rapid advancements in neural networks offer enormous promise for the field of imagery analytics, application of these…Sep 2, 20161Sep 2, 20161