Embedding information in images using the placement on screen of two layers combined

摘要

"Embedding information in images using the placement on screen of two layers together.The present invention relates to a new technology of embedding information using the concept of the screen together.More specifically, two screens are applied in a process of semitonalidade, one for the areas that correspond to the symbol to be embedded (object) and one for the fund.Both paintings can be conceptually decomposed into a structure with two layers similar to supercu00e9lulas.The top layer determines the texture of the midtones as a whole, while the bottom layer, which is coupled to the bottom and to the object, carry the embedded data.The information can be recovered optically or digitally. There is no restriction on drawing the size of symbols. The computer is relatively simple and can be implemented in real time.In the recovery, it is relatively resistant to registry errors.