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The FLUX.1 [dev] Model is licensed by Black Forest Labs. Inc. under the FLUX.1 [dev] Non-Commercial License. Copyright Black Forest Labs. Inc.
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Not exactly film grain, but it can apply an interesting grainy effect to your images. Give it a try and see what you think.
V04
This is my final attempt to produce a LoRA that approximates a film grain effect. Realistic analog film grain produces features that are difficult to reproduce digitally. I spent a lot of time producing new training images and then running the output through ChatGPT to determine the best prompt to help produce a realistic film grain result. Results vary across models. Some models produce better results. Take a look for yourself.
Each of the prompts includes the following lines (more or less):
35mm Kodak Portra 400 pushed one stop, fine natural grain, soft highlight roll-off, neutral skin tones. Slight shadow grain clumping. Indoor tungsten lighting, visible film grain.
A monochrome image.
A bright grainy photo, overexposed. With an artistically pronounced film grain effect in varying intensity across the image. Natural lighting.Note the parts: neutral skin tones and indoor tungsten lighting
Exclude these as appropriate, depending on your subject and setting. ChatGPT suggested all of this, and it seemed to produce a better result. Maybe you can come up with something better? I still think that, at times, the result is a little flat and smooth.
Let's see your results.