![]() ![]() You can play with our demo tool to challenge Imatag's watermark robustness, or read test reports from PetaPixel or DPReview. This message sticks to the image as a tattoo on the skin. ), the computer can find back the embedded message. Even if the image has been edited (JPEG compression, cropping, scaling, color editing. In some languages (in french for instance), this technology is also called "digital tattoo". This code can be unique (content ID) to help identify different copies of a single image. This is the second major difference with visible watermarks which are meant for human readers. This message is binary and can be decoded by a computer. This is a major difference with visible watermark which is an overlay superposed on top of the picture and meant to be seen. To avoid the confusion, we should speak about invisible digital watermarking.ĭigital watermarking embeds a secret message within the image (the technical term is steganography). The human eye cannot see the difference between the watermarked and the original image. ![]() The pixel values are changed in order to convey a secret message, but these modifications are subtle and perceptually shaped. These two "watermarking" are not the same.ĭigital watermarking provided by Imatag adds an invisible watermark to the picture. Yet, in digital photography, this wording brings a lot of confusion since photographers have been using "watermarking" for a long time. The term " Digital watermarking" was coined by the research labs, which invented this new technology. The great confusion : visible and invisible watermarking □ Download our Guide to select your Digital Watermark solution 6 tips to chose your digital watermark solution. ![]()
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