no code implementations • 22 Dec 2023 • Akshit Gupta, Simone Mora, Fan Zhang, Martine Rutten, R. Venkatesha Prasad, Carlo Ratti
Healthy urban greenery is a fundamental asset to mitigate climate change phenomena such as extreme heat and air pollution.
no code implementations • 2 Jan 2023 • Fan Zhang, Arianna Salazar Miranda, Fábio Duarte, Lawrence Vale, Gary Hack, Min Chen, Yu Liu, Michael Batty, Carlo Ratti
The visual dimension of cities has been a fundamental subject in urban studies, since the pioneering work of scholars such as Sitte, Lynch, Arnheim, and Jacobs.
no code implementations • 16 Oct 2022 • Yuanyuan Qiao, Jiaxin Yin, Wei Wang, Fábio Duarte, Jie Yang, Carlo Ratti
Within the next several years, there will be a high level of autonomous technology that will be available for widespread use, which will reduce labor costs, increase safety, save energy, enable difficult unmanned tasks in harsh environments, and eliminate human error.
no code implementations • 28 Feb 2022 • Xiao Zhou, Xiaohu Zhang, Paolo Santi, Carlo Ratti
Given multiple new COVID-19 variants are continuously emerging, non-pharmaceutical interventions are still primary control strategies to curb the further spread of coronavirus.
no code implementations • 23 Apr 2021 • Arianna Salazar Miranda, Guangyu Du, Claire Gorman, Fabio Duarte, Washington Fajardo, Carlo Ratti
Our analysis operates at two resolutions, including a \emph{global} analysis focused on comparing different streets of the favela to one another, and a \emph{local} analysis unpacking the variation of morphological metrics within streets.
no code implementations • 12 Mar 2021 • Christian Bongiorno, Yulun Zhou, Marta Kryven, David Theurel, Alessandro Rizzo, Paolo Santi, Joshua Tenenbaum, Carlo Ratti
How do pedestrians choose their paths within city street networks?
1 code implementation • 3 Mar 2021 • Tixiao Shan, Brendan Englot, Fabio Duarte, Carlo Ratti, Daniela Rus
We propose a methodology for robust, real-time place recognition using an imaging lidar, which yields image-quality high-resolution 3D point clouds.
no code implementations • 12 Feb 2021 • Mohammadhossein Ghahramani, Nadina J. Galle, Fabio Duarte, Carlo Ratti, Francesco Pilla
Continued population growth and urbanization is shifting research to consider the quality of urban green space over the quantity of these parks, woods, and wetlands.
Opinion Mining Text Classification Social and Information Networks
no code implementations • 6 Oct 2020 • Thomas J. Matarazzo, Dániel Kondor, Paolo Santi, Sebastiano Milardo, Soheil S. Eshkevari, Shamim N. Pakzad, Carlo Ratti
The primary study collects smartphone data from controlled field experiments and "uncontrolled" UBER rides on a long-span suspension bridge in the USA and develops an analytical method to accurately recover modal properties.
Computers and Society Applied Physics
no code implementations • 21 Aug 2020 • Punit Rathore, James C. Bezdek, Paolo Santi, Carlo Ratti
We demonstrate ConiVAT approach to visual assessment and single linkage clustering on nine datasets to show that, it improves the quality of iVAT images for complex datasets, and it also overcomes the limitation of SL clustering with VAT/iVAT due to "noisy" bridges between clusters.
1 code implementation • IEEE/RSJ International Conference on Intelligent Robots and Systems 2020 • Tixiao Shan, Brendan Englot, Drew Meyers, Wei Wang, Carlo Ratti, Daniela Rus
We propose a framework for tightly-coupled lidar inertial odometry via smoothing and mapping, LIO-SAM, that achieves highly accurate, real-time mobile robot trajectory estimation and map-building.
Robotics
1 code implementation • 3 Dec 2019 • Bill Cai, Xiaojiang Li, Carlo Ratti
Urban canopy cover is important to mitigate the impact of climate change.
2 code implementations • 9 Sep 2019 • Dániel Kondor, Xiaohu Zhang, Malika Meghjani, Paolo Santi, Jinhua Zhao, Carlo Ratti
Recent technological developments have shown significant potential for transforming urban mobility.
Computers and Society
no code implementations • 20 Feb 2019 • Bill Yang Cai, Ricardo Alvarez, Michelle Sit, Fábio Duarte, Carlo Ratti
Parking spaces are costly to build, parking payments are difficult to enforce, and drivers waste an excessive amount of time searching for empty lots.
no code implementations • 22 Jan 2019 • Zhoutong Wang, Qianhui Liang, Fabio Duarte, Fan Zhang, Louis Charron, Lenna Johnsen, Bill Cai, Carlo Ratti
Evaluating legibility is particularly desirable in indoor spaces, since it has a large impact on human behavior and the efficiency of space utilization.
no code implementations • 3 Dec 2018 • Yuji Yoshimura, Bill Cai, Zhoutong Wang, Carlo Ratti
Our clustering of architectural designs remarkably corroborates conventional views in architectural history, and the learned architectural features also coheres with the traditional understanding of architectural designs.
1 code implementation • 14 Aug 2018 • Bill Yang Cai, Xiaojiang Li, Ian Seiferling, Carlo Ratti
We apply state-of-the-art deep learning models, and compare their performance to a previously established benchmark of an unsupervised method.
no code implementations • 5 Aug 2018 • Xiaojiang Li, Bill Yang Cai, Waishan Qiu, Jinhua Zhao, Carlo Ratti
GSV images have view sight similar to drivers, which would make GSV images suitable for estimating the visibility of sun glare to drivers.
1 code implementation • 13 Oct 2017 • Dániel Kondor, Hongmou Zhang, Remi Tachet, Paolo Santi, Carlo Ratti
The increasing availability and adoption of shared vehicles as an alternative to personally-owned cars presents ample opportunities for achieving more efficient transportation in cities.
Computers and Society Social and Information Networks
no code implementations • 9 Oct 2017 • Umberto Fugiglando, Emanuele Massaro, Paolo Santi, Sebastiano Milardo, Kacem Abida, Rainer Stahlmann, Florian Netter, Carlo Ratti
Cars can nowadays record several thousands of signals through the CAN bus technology and potentially provide real-time information on the car, the driver and the surrounding environment.
no code implementations • 7 Oct 2016 • Fan Zhang, Fabio Duarte, Ruixian Ma, Dimitrios Milioris, Hui Lin, Carlo Ratti
In this paper, we propose a robust and parsimonious approach using Deep Convolutional Neural Network (DCNN) to recognize and interpret interior space.
no code implementations • 22 Apr 2015 • Zolzaya Dashdorj, Stanislav Sobolevsky, Luciano Serafini, Fabrizio Antonelli, Carlo Ratti
This article addresses the issues in context awareness given heterogeneous and uncertain data of mobile network events missing reliable information on the context of this activity.