I don’t think this problem has been reported before.
It is about Theia detail creating noise in the output file.
Theia detail can clean noise nicely but it also creates noise in the output file.
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Edit : the source video was processed in 100% output size (no upscale) for denoise/deblock.
As you will see, it is just a plain black background.
screenshot of the original noise
Original noise viewed by neat video
Theia detail settings
Theia detail preview
Depending on the output format, the original noise is replaced a different kind of noise.
Mp4, mov and jpg output have rectangular shapes
PNG and TIF display a grid.
I think it would be good if the Topaz team could check the quality of the output with a third party tool like neat video.
The result is not consistent and changes depending on the output format.
Noise is created by the AI.