Abstract
Abstract Multimedia content transmitted through the unprotected channels include several types of information, such as text messages, audio, images, and video sequences. Each type of embedded information can be distorted under various attacks with unknown parameters. In this paper, we study a special issue of textual watermarking distortions in videos under the simulated intentional and accidental attacks. Three approaches for textual messages embedding are exploited considering text as the sequence of binary codes, ordinary image, and barcode image. The experiments were conducted using test video sequences with high resolution compressed by x264 (H.264/AVC) codec in order to obtain the dependences between the robustness, capacity, and imperceptibility for blind watermarking schemes. We formulate the recommendations for hiding of textual information depending on a goal of embedding.
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