This doctoral dissertation touches upon the problem area of processing images in video content, which is the subject of many thorough researches and has a major impact on the development of the technical studies. Special attention was paid to the algorithms of logo and age-category symbol recognition during television transmission. It has been proved in the dissertation that there is a need for content filtration and classification in TV programmes. The negative influence of TV programmes on the juvenile behaviour is mainly caused by easy access to programmes with harmful content and a multitude of those without any educational value. Therefore, it becomes essential to graduate the juvenile access to different information.