Search Results for: weibo

Session Guidelines

What makes a good CLSI Session? The purpose of CLSI is to be an interactive, participant-led workshop that leads to tangible outcomes. The session description should present the problem/issue being examined, the kinds of data that will be used in the session, and description of the current state of the project or activity. Objectives should… Read more »

“未阅先焚” 2: 微信如何实现实时审查用户对话中的敏感图片

本报告延续上一篇针对微信朋友圈图片过滤技术的研究,分析微信如何在聊天功能中实现实时图片过滤。微信是中国腾讯控股有限公司旗下的即时通讯应用,目前是中国最受欢迎的聊天软件之一,也是全球排名第四的最流行聊天软件。朋友圈是微信上最常用的功能之一,其中图片是用户最期望看到的内容分享形式。

(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.