Předzpracování obrazu pro indexování rozsáhle kolekce dat

Abstract

This master thesis is focused on the issue of image processing of coins with intention to save it into a databse with the possibility of the next searching. It's divided into two main parts. In the first part is introduced the implemented tool for modeling and testing of new more complex methods, which are composed from some basic operations. In the second part we can find description of proposed including results of made tests. Most methods are based on standardization rotation of coin. At the begining of second part are introduced approaches which can help to achieve it. All of methods are tested and compared to each other. It is conducted debate about, how the setting of parameters, from some key operations, influences results of searching. At the end is presented method, that is based on another approach which describes an image of coin independ on the his rotation.