Both programs retain a great amount of detail and it is very hard (impossible to my eyes) to give one application an edge in this regard. These images are 100% crops and for a proper comparison should be viewed on a large screen device or zoomed in.ĭetail retention is also very close between the two applications. The second is the Topaz DeNoise AI result, and finally the PhotoLab 4 DeepPrime image. The first is the processed image with zero noise reduction applied. The Resultsīelow are the three comparison images. I repeated the test on over a dozen files with varying level of noise – the results were similar on all of the files I tried. It was taken on a Nikon D500 taken at ISO6400 in a fairly low-light setting (in the shade) typical of wildlife photography. I then sent the file to DeNoise AI as a TIFF file to perform the noise reduction and sharpening.īelow is one of the test photos I used. I then adjusted the exposure, colour, etc in Lightroom to produce a finished photo.įor the Topaz DeNoise test I opened the same RAW file in Lightroom and applied exactly the same exposure and colour corrections to the file (making sure noise and sharpening was set to zero). dng file with only the optical corrections and noise reduction applied. To test PhotoLab 4 I opened the image as a RAW file and set the best settings for Noise Reduction and Sharpening. To make sure each result is rendered to look the same I have used the following workflow:
It is tricky to test the results from two different applications as slight differences in processing (colours, contrast, etc) can change how we perceive the noise in a photo. How much detail was lost in the noise reduction process?.How much noise is left after processing?.There are three considerations to take into account when looking at noise reduction results: How well does the noise reduction work with both programs on high ISO images? Make sure your camera is supported before you buy.
PhotoLab 4 DeepPrime only works on raw images. Important: This article assumes you are working on RAW image files. If you want to check out Topaz DeNoise you can get a free trial from Use code SQUAREPIXEL to get 15% off any Topaz purchase. You can purchase PhotoLab 4 from DxO via this link Today (21st October, 2020), DxO has released PhotoLab 4 with a new ‘DeepPrime Noise Reduction’ that promises ‘a revolutionary demosaicing and DeNoise technology based on artificial intelligence and trained with deep learning.’ĭespite me cringing at the use of the ‘Artificial Intelligence’ mantra (hint: it isn’t Artificial Intelligence, it IS deep learning), I have put DeepPrime to the test with a Topaz DeNoise vs DxO PhotoLab DeepPrime shootout. This comes at noĪdditional cost to you and helps us keep this site going. Heads up: This article may contain affiliate links and Square Pixel Photography may earnĪ small commission if you make a purchase after clicking on these links.
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