Protecting your images from automated watermark removal

Many who market or sell photographs online or who just want to prevent online photo theft of the images they've posted for family and friends, often use watermarks as their first line of defense. While it's not the only defensive measure photographers can and should take to protect their images online, watermark use is sensible, practical and useful.

Although its true that someone with expert Photoshop skills can eliminate a watermark in an hour or so, even if thoughtfully constructed, watermarks still stop most thieves because it's rarely worth spending an hour or more to steal an image, especially if the final product has any telltale visual artifacts shouting, “Theft!”

This past July, at the Computer Vision and Pattern Recognition Conference, Google demonstrated an algorithm capable of automating the removal of watermarks from photos. Google showed that the removal of watermarks from a series of photographs that now takes hours or days, could be done in minutes.

Printing your travel photos: PPI vs. DPI

While these days, most travelers display their photos online instead of in the photo albums of the past, many travelers still print more than a few images to keep and show off their travel memories. Some even hang prints of their travels on the walls of their home.

Unfortunately, many travelers, like other photographers, are often confused about sizing their images for printing because countless photographers incorrectly use the terms, PPI (pixels per inch) and DPI (dots per inch) interchangeably.

PPI and DPI are not at all the same, and they are independent of each other.

What do photographers need to do to protect and document their copyright?

In Part I of my copyright series, “I'm not a "Pro." Why should I worry about copyrighting my photos?” I discussed why both professional and amateur photographers, and even weekend vacationers should seriously consider taking measures to raise the level of their copyright and other protection for their photographs.

In this article, the series continues with practical suggestions to protect your photos and establish your copyright firmly. In the next, (last) article in the series, I will discuss copyright registration in the US, how and when you can, and why you should, register your photographs, and if your copyright is violated, what remedies registration extends to you, that you otherwise wouldn't have.