Is there a way to equalize all the colors' brightness in Photoshop?

Question

I want to know if there's a way to equalize the brightness of all the colors of an image. Like, I have a color image, I want to make its all colors' brightnesses the same value.
Ex -

H-43 S-73 B-101  → H-43 S-73 B-101

H-122 S-81 B-201 → H-122 S-81 B-101

H-122 S-91 B-192 → H-122 S-91 B-101

H-131 S-73 B-85  → H-131 S-73 B-101
Thanks in advance

Rafael · Answer

You need a program that can handle HSB channels.
Separate the image into HSB channels

Fill the B channel with the value you need and recombine.

You will get a weird image.
This process is very destructive, mainly because the H channel needs more than 255 levels, let's say 360 at least.
And by flattening the B channel you are destroying the main source of information.
I did this on PhotoPaint, PhotoShop does not use HSB channels, so you could try using Lab channels.
https://pixabay.com/es/photos/azul-gafas-de-sol-mujer-piscina-2705642/

Is there a way to equalize all the colors' brightness in Photoshop?

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