Search Results for: weibo

(Can’t) Picture This 2: An Analysis of WeChat’s Realtime Image Filtering in Chats

In this work, we study how Tencent implements image filtering on WeChat. We found that Tencent implements realtime, automatic censorship of chat images on WeChat based on what text is in an image and based on an image’s visual similarity to those on a blacklist. Tencent facilitates this realtime filtering by maintaining a hash index of MD5 hashes of sensitive image files.

Citizen Lab Summer Institute on Monitoring Internet Openness and Rights

UPDATE: The 2019 Citizen Lab Summer Institute will take place on July 31-August 2 at the University of Toronto in Toronto, Canada. The annual Citizen Lab Summer Institute (CLSI) workshop is a meeting place for researchers and practitioners from academia, civil society, and the private sector who are working on Internet openness, security, and rights…. Read more »

Citizen Lab Summer Institute 2019

Held July 31 – August 2 in Toronto, the Citizen Lab Summer Institute (CLSI) workshop is a meeting place for researchers and practitioners from academia, civil society, and the private sector who are working on Internet openness, security, and rights.

CLSI 2018 in Review

The Citizen Lab Summer Institute (CLSI) brings together technologists, political scientists, academics, researchers, activists, artists, and members of civil society to address some the most pressing issues at the centre of technology and human rights.

An analysis of censorship in Chinese open source projects

A new paper by the Citizen Lab investigates how Chinese censorship reaches independent developers and reveals that, while developers include censorship lists in open source projects, there is little apparent similarity in these blacklists, raising several questions about their origins.