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The growing homelessness crisis in the U.S. presents complex social, economic, and public health challenges, straining shelters, healthcare, and social services while limiting effective interventions. Traditional assessment methods struggle…

计算机与社会 · 计算机科学 2025-03-24 Julia Gersey , Rose Allegrette , Joshua Lian , Zawad Munshi , Aarti Phatke

This paper explores the capacity of computer vision models to discern temporal information in visual content, focusing specifically on historical photographs. We investigate the dating of images using OpenCLIP, an open-source implementation…

计算机视觉与模式识别 · 计算机科学 2023-10-11 Alexandra Barancová , Melvin Wevers , Nanne van Noord

The pricing of housing properties is determined by a variety of factors. However, post-pandemic markets have experienced volatility in the Chicago suburb area, which have affected house prices greatly. In this study, analysis was done on…

机器学习 · 计算机科学 2022-10-13 Kevin Xu , Hieu Nguyen

In this dissertation, we investigated and enhanced Deep Learning (DL) techniques for counting objects, like pedestrians, cells or vehicles, in still images or video frames. In particular, we tackled the challenge related to the lack of data…

计算机视觉与模式识别 · 计算机科学 2022-06-09 Luca Ciampi

Rental assistance programs provide individuals with financial assistance to prevent housing instabilities caused by evictions and avert homelessness. Since these programs operate under resource constraints, they must decide who to…

计算机与社会 · 计算机科学 2024-03-20 Catalina Vajiac , Arun Frey , Joachim Baumann , Abigail Smith , Kasun Amarasinghe , Alice Lai , Kit Rodolfa , Rayid Ghani

Since ancient times, what Chinese people have been pursuing is very simple, which is nothing more than "to live and work happily, to eat and dress comfortable". Today, more than 40 years after the reform and opening, people have basically…

机器学习 · 计算机科学 2022-04-21 Yuying Wu , Youshan Zhang

Accurate prediction of future loan defaults is a critical capability for financial institutions that provide lines of credit. For institutions that issue and manage extensive loan volumes, even a slight improvement in default prediction…

Many schools in large urban districts have more applicants than seats. Centralized school assignment algorithms ration seats at over-subscribed schools using randomly assigned lottery numbers, non-lottery tie-breakers like test scores, or…

计量经济学 · 经济学 2021-01-05 Atila Abdulkadiroglu , Joshua D. Angrist , Yusuke Narita , Parag Pathak

Nowadays, machine learning plays a key role in developing plenty of applications, e.g., smart homes, smart medical assistance, and autonomous driving. A major challenge of these applications is preserving high quality of the training and…

数据库 · 计算机科学 2023-02-10 Daniel Del Gaudio , Tim Schubert , Mohamed Abdelaal

We present a framework to generate synthetic historical documents with precise ground truth using nothing more than a collection of unlabeled historical images. Obtaining large labeled datasets is often the limiting factor to effectively…

计算机视觉与模式识别 · 计算机科学 2021-05-18 Lars Vögtlin , Manuel Drazyk , Vinaychandran Pondenkandath , Michele Alberti , Rolf Ingold

The increasing impact of algorithmic decisions on people's lives compels us to scrutinize their fairness and, in particular, the disparate impacts that ostensibly-color-blind algorithms can have on different groups. Examples include credit…

机器学习 · 统计学 2020-06-17 Nathan Kallus , Xiaojie Mao , Angela Zhou

We show that lenders face more uncertainty when assessing default risk of historically under-served groups in US credit markets and that this information disparity is a quantitatively important driver of inefficient and unequal credit…

综合经济学 · 经济学 2021-05-18 Laura Blattner , Scott Nelson

A common approach for improving OCR quality is a post-processing step based on models correcting misdetected characters and tokens. These models are typically trained on aligned pairs of OCR read text and their manually corrected…

计算与语言 · 计算机科学 2019-06-27 Kai Hakala , Aleksi Vesanto , Niko Miekka , Tapio Salakoski , Filip Ginter

Classification performance is often not uniform over the data. Some areas in the input space are easier to classify than others. Features that hold information about the "difficulty" of the data may be non-discriminative and are therefore…

机器学习 · 计算机科学 2016-05-24 Oran Richman , Shie Mannor

There is a rumbling debate over the impact of gentrification: presumed gentrifiers have been the target of protests and attacks in some cities, while they have been welcome as generators of new jobs and taxes in others. Census data fails to…

计算机与社会 · 计算机科学 2021-01-19 Shomik Jain , Davide Proserpio , Giovanni Quattrone , Daniele Quercia

In this paper we introduce a method that significantly reduces the character error rates for OCR text obtained from OCRopus models trained on early printed books. The method uses a combination of cross fold training and confidence based…

计算机视觉与模式识别 · 计算机科学 2018-07-25 Christian Reul , Uwe Springmann , Christoph Wick , Frank Puppe

Given the size of modern cities in the urbanising age, it is beyond the perceptual capacity of most people to develop a good knowledge about the beauty and ugliness of the city at every street corner. Correspondingly, for planners, it is…

计算机视觉与模式识别 · 计算机科学 2016-08-12 Lun Liu , Hui Wang , Chunyang Wu

In this paper we present tools for applied researchers that re-purpose off-the-shelf methods from the computer-science field of machine learning to create a "discovery engine" for data from randomized controlled trials (RCTs). The applied…

机器学习 · 统计学 2019-05-13 Jens Ludwig , Sendhil Mullainathan , Jann Spiess

Optical character recognition (OCR) methods have been applied to diverse tasks, e.g., street view text recognition and document analysis. Recently, zero-shot OCR has piqued the interest of the research community because it considers a…

计算机视觉与模式识别 · 计算机科学 2023-08-02 Xiaolei Diao , Daqian Shi , Jian Li , Lida Shi , Mingzhe Yue , Ruihua Qi , Chuntao Li , Hao Xu

This paper presents a deep learning approach for image retrieval and pattern spotting in digital collections of historical documents. First, a region proposal algorithm detects object candidates in the document page images. Next, deep…

计算机视觉与模式识别 · 计算机科学 2022-08-05 Caio da S. Dias , Alceu de S. Britto , Jean P. Barddal , Laurent Heutte , Alessandro L. Koerich
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