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Panasonic joins the Content Authenticity Initiative (CAI)

CAI works to ensure the authenticity and transparency of digital photographs can be confirmed in times when AI-generated material is becoming increasingly common.

Calle Rosenqvist
CALLE@KAMERABILD.SE
Published

In 2022, Kamera & Bild wrote about Leica and Nikon starting to collaborate with Adobe to participate in CAI (Content Authenticity Initiative), where information about how the image was created is encrypted - something that allows the origin of the images to be verified.

Content Authenticity Initiative (CAI) now announces that Panasonic has joined the collaboration to work on confirming the authenticity of images taken with their cameras. This adds yet another major camera company to the list of over 4,500 companies participating.

In addition to Panasonic, we also find Canon, Nikon, Leica, Sony, and Fujifilm now jointly finding solutions to problems with verifying image data. In March, Kamera & Bild announced that Cloudflare is also joining CAI by being able to follow the authentication chain on the internet for images and video, through so-called C2PA certification - a method to see how an image was created and what has been done with it on the way to the recipient in the form of AI editing or other manipulation.

By using a camera with software that supports the verification process for C2PA, anyone can verify the authenticity of an image by checking the image file through the flow "capture, sign, inspect".

By creating a sort of "birth certificate" for the image file along with information about the image's depth, meaning where objects are located in the three-dimensional space, this information can then be encrypted. What Sony adds is the validation that the image was taken with a camera and that the object in the image actually existed, and was not added through, for example, generative AI.

Material created with Adobe's generative AI engine Firefly contains the solution for "content credentials," Adobe's own system to demonstrate material created with generative AI - and show how, when, and with what the material was created - built on the open and free authentication system CAI. The AI-created data remains marked regardless of how it has been stored, published, or used.

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