Seamless Video Watermarking Using Bokeh

ABSTRACT: In modern times of industrial revolution, economic crisis and political disorder, little or no thought is dedicated to artists and their rights to their art. Art theft and forgery is encouraged when no action is taken to protect artists’ rights, thus destroying every remaining trace of human expression and value. A common technique for rights’ attribution is watermarking and that is usually done by adding a signature while post-processing the image or the video. This method is effective, however, it is not easily accessible and often very time consuming. In photography, bokeh is the blur (derives from Japanese), in out-of-focus areas of an image. Bokeh is formed after the shape of the lens or the image occulting the lens. For example, a heart shaped lens would produce heart-shaped bokeh in the image for every light source that is out of focus. Similarly, having a signature in front of the lens would leave a signed bokeh in the image for every light source. Watermarking videos and images using a bokeh filter is seamless and easily accessible by just juxtaposing a lens cap with the customized watermark signature or logo unlike post-processing. Of course watermarking is permanent, however optional. This novel idea has received a lot of support and encouragement from photography blogs [DIY Photography] [XTAKAFOTO]. I have been contacted to think about manufacturing customized lens caps for video watermarking and to patent the idea.

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