Can Bokeh Be Used for Watermarking Videos?

Dec 11, 2012

Udi Tirosh

Udi Tirosh is an entrepreneur, photography inventor, journalist, educator, and writer based in Israel. With over 25 years of experience in the photo-video industry, Udi has built and sold several photography-related brands. Udi has a double degree in mass media communications and computer science.

Can Bokeh Be Used for Watermarking Videos?

Dec 11, 2012

Udi Tirosh

Udi Tirosh is an entrepreneur, photography inventor, journalist, educator, and writer based in Israel. With over 25 years of experience in the photo-video industry, Udi has built and sold several photography-related brands. Udi has a double degree in mass media communications and computer science.

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I got an interesting mail from Alaa Abi Haidar (facebook) today, it tell a short story of a stolen footage and suggests an interesting solution on watermarking videos using shaped bokeh.

Can Bokeh Be Used for Watermarking Videos?

Here is the story:

“The clip below was an experimental attempt to automatically watermark clips and stills after one of my fashion clips was edited and broadcasted by one of the commercial regional TV channels in France without my consent and without any credit.

In fact the credit was cut off the original clip. However, for the time being, I prefer not to disclose any information about the TV and the people involved in the process.

Al suggests using dry transfer letters and UV filters for making a small marking on the lens. Since this mark is pretty close to the front element it won’t actually be seen where the image is sharp. Instead it would only be seen at out of focus specular highlights (similar to the Bokeh Masters Kit).

YouTube video

Here is how the dry letters are transferred.

Can Bokeh Be Used for Watermarking Videos?

Can Bokeh Be Used for Watermarking Videos?

Can Bokeh Be Used for Watermarking Videos?

Can Bokeh Be Used for Watermarking Videos?

Alternatively, Al suggests using a simpler and cheaper watermarking solution with a permanent marker and a transparent nylon film

Can Bokeh Be Used for Watermarking Videos?

Can Bokeh Be Used for Watermarking Videos?

Can Bokeh Be Used for Watermarking Videos?

The sample movie that Al provides has the effect pretty strong, but I wonder if a more subtle effect can be used to effectively watermark videos.

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Udi Tirosh

Udi Tirosh

Udi Tirosh is an entrepreneur, photography inventor, journalist, educator, and writer based in Israel. With over 25 years of experience in the photo-video industry, Udi has built and sold several photography-related brands. Udi has a double degree in mass media communications and computer science.

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