There are several ways to convert photos to black and white, but many people were dissatisfied with all of them, so around 2007 Adobe addressed this by adding a black and white mode to Photoshop. Blackmagic also added a similar function to DaVinci Resolve. It is possible to shoot in black and white on the camera, but since various corrections are made using color information, it is safer to shoot in color and then convert. In that case, this black and white mode is a very important function for monochrome photography. We have reviewed it again and made efforts to minimize the loss of information.
With the image editing app "Affinity" and the video editing app "DaVinci Resolve" now available for free, anyone with a computer can now apply Luts.
This image has not been altered. Various monochrome processing techniques will be applied to it.
This is Adobe Photoshop's black and white mode. The conversion is quite accurate.
Applied Shimoeda U3 in Photoshop. The noise has been further reduced.
Checked "Monochrome" in the RGB mixer in DaVinci Resolve.
Applied the Shimoeda U3 in DaVinci Resolve. This also reduces noise, but since DaVinci is designed for video, it's a little less precise than Photoshop.
By setting U3 to 70% in DaVinci Resolve, restored the color to 30% of its original value.
Even when adding film grain to create an analog feel, the basic principle is to first eliminate digital noise before adding grain. DaVinci Resolve has a noise reduction function, but I was unsuccessful in converting it to a LUT. I experimented with it, thinking it might use a similar algorithm to Shimoeda U3, but that didn't work either. They seem to use different mechanisms, so combining both should yield a much higher quality image. However, U3 can only be used for faded images.
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