Advanced Methods for Blocking of Inappropriate Content in a Mobile Web Browser

Tato práce popisuje současný stav v oblasti open-source prohlížečů na platformě Android, porovnává jejich vlastnosti. Práce dále popisuje problematiku klasifikace webových stránek, se zaměřením na detekci pornografie. V poslední části je popsán návrh klientské a serverové části systému blokování nepovoleného obsahu.This work describes actual state of open-source browsers on the Android platform and compares their features. It describes webpage classification problem and methods how to detect porn websites. It also shows a design of a system for blocking and detection of webpages with adult content and its implementation. For pornography detection there were used text based methods but also methods based on detection in images from web page with deep learning. Implemented solution was tested with experiments and described. The last chapter contains summarization of this work and proposal of improvements.