DxO Announces PhotoLab 4 Powered By Its DeepPRIME AI Processing

DxO PhotoLab 4 is the company’s latest update to its photo editing software powered by a new technology it calls DeepPRIME, a “revolutionary” demosaicing and denoising technology based on artificial intelligence and “trained with deep learning.”

DxO PhotoLab 4 adds a new dynamic interface system, a batch renaming feature, a new editing history tool, the ability to selectively copy and paste specific settings, and a watermarking tool.


DxO says it trained its new AI-powered algorithm using “millions of photos” and “several billion samples” that the company has “analyzed for more than 15 years.” DeepPRIME will supposedly be able to deliver dramatically improved digital noise reduction and more effective demosaicing. DxO says that the result means all photos will look better when processed with DeepPRIME, but low light images, photos with small pixels, and images taken with early-generation digital cameras will see the biggest jumps in quality.

DxO DeepPRIME AI belongs to a class of neural networks call convolutional neural networks, the structure of which is directly inspired by neuroscientific research on the human brain. The computer is allowed to determine the values of millions of parameters within the network, hence the term automatic learning, based on a vast database of carefully chosen input and output example images.

DxO is so confident in its technology that it is exploring ways to apply DxO DeepPRIME in the medical, surveillance, and automotive industry. For now, it is only available as a part of DxO PhotoLab 4.

DxO Smart Workspace

The new Smart Workspace feature in PhotoLab 4 is based on a system of filters that can be accessed from the toolbar. It allows you to show tool palettes by correction type, only displays pre=selected favorite palettes, or only show palettes with activated corrections. In addition, it can also instantly open the desired palette when you search for a tool in a dedicated search field.

DxO’s goal here was to help you increase productivity by providing a workflow adapted specifically to each person’s needs. The company also argues that the system should make it easier for first-timers to PhotoLab adjust more smoothly.

Batch Renaming

Though not uncommon in other editing applications, now you can do it with PhotoLab 4. The feature allows you to edit the names of multiple files at once. From the Photo Library or in the Photo Browser, you can select several files and then use a dedicated dialogue box to rename them, add text before or after the existing names, and number them.

Advanced History

DxO has added a history panel to PhotoLab 4, not dissimilar from what is found in Adobe Photoshop. The new History palette in DxO PhotoLab 4 lists all corrections applied to an image successively and by chronological order. In this way, it saves every edit that has been made to a photo. It also displays the editing values next to each state of the image as well as the difference compared to previous values.

For complex edits, such as presets or several settings from the same tool, DxO PhotoLab 4 is the only photo-editing software that includes grouped adjustments in its history. These edits can be hidden as needed.

Selective Copy/Paste

You can synchronize the settings of several similar images by applying a specific selection of individual edits from one photo to another. From the Photo Browser, you can select the specific edits they want to apply to one or several other images by editing type, such as lighting, color, detail, local adjustments, geometry, or watermarking.

Instant Watermarking

You can now watermark images in PhotoLab 4, but DxO says they are being more open about the process than other applications. While most photo-editing programs let you add a watermark, DxO says it is common to not let you directly preview the final version or allow you to manage blend modes. With this feature, you can embed a text and/or image in the background of one or several photos at the same time and then instantly view the result. The placement, orientation, scale, margins, and opacity of the watermark are fully configurable. DxO says that PhotoLab 4 is the only tool to offer seven blend modes that take into account background lighting to ensure the image or text signature is easily visible.

Additional Camera Support

DxO PhotoLab 4 adds support for the Canon EOS R5, EOS R6, and EOS 850D, the Nikon D6 and Z5; the Olympus OM-D E-M10 Mark IV; and the Panasonic Lumix S5.


DxO PhotoLab 4 Essential edition is available for $99 through November 19 (regular price of $129) and the Elite edition is available for $149.99 for that same time frame (regular price of $199). No subscription is needed for the software, and you can learn more at DxO.com.

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