Projects

Data driven urban studies, geo-tagged imagery analysis, and products

For more projects, please visit the visualization page.

MINGLE
computer vision
AI
urban design
Detecting who is interacting with whom in a city street is something humans do effortlessly — yet it remains one of the hardest tasks for computer…
Liu Liu
Jan, 2026

Sidewalk Ballet
computer vision
urban design
Traditional urban observational studies rely on direct field observation of public spaces such as sidewalks and plazas to understand how human…
Liu Liu
May, 2025

VibeScan
computer vision
urban design
poi
tools
This project aimed at developing a benchmarking and customer analysis system for commercial areas. Leveraging online feedback, data mining, and AI…
Liu Liu
Feb, 2022

Road Assessment in Ulaanbaatar
computer vision
urban planning
tools
The condition of transportation assets can be effectively observed through user-generated content (UGC) images. Analyzing geo-tagged images makes it…
Liu Liu, Ding Zhang, Hongdu Yi
Oct, 2021

AI-Aided Camera App
computer vision
tools
This app integrates deep models to learn the operation and mode of photo shooting from the massive works of professional photographers and realizes…
Liu Liu, Ding Zhang, Xin Xiong
May, 2020

Recognizing Central Activity Zones
urban planning
poi
visualization
Utilizing the concept of entropy, the project aims to quantify the level of functional diversity within different areas of the city. By leveraging a…
Liu Liu, Zhuqing Liu
Jan, 2018

CityEye WeChat mini APP
computer vision
tools
CityEye is a WeChat mini application specifically designed for group field trips. Currently, it caters to a user base of over 10,000 individuals…
Liu Liu, Ding Zhang, Jinxing Shao
Jan, 2018

River View Analysis
computer vision
urban design
To preserve the natural landscapes along the Qiantang River, I analyzed a 200-kilometer stretch of riverbank videos. By carefully examining the…
Liu Liu
May, 2017

StreeTalk Project
computer vision
urban design
Using the perceptional map as a foundation, along with additional geo information such as points of interest (POI) and mobility data, I developed a…
Liu Liu, Bolei Zhou, Fan Zhang
Oct, 2016

1 Billion LBSN Data
cellphone data
urban planning
Both figures show the average daily population flow distribution among more than 2,000 county-level units. The picture on the left is the average…
Liu Liu, Di An
Mar, 2015

C-IMAGE Project
computer vision
visualization
This project originated from my thesis, which involved the collection of millions of photos from 26 cities. The objective was to utilize deep…
Liu Liu, Bolei Zhou
May, 2014
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