Hi,

I Have a bath of photos and I want to normalize them with the same adjustment at a similar area:
Target area HSV 20.5° - 30 - 60
current HSV 18.6° - 24 - 65

For the Hue adjust, I make a colour rotate, it works fine, but V adjustement alter V but also S and vive versa without alter Hue...
Well, is there a formula I could apply to do this (knowing that a single TSV match to a single RGB), the smooth curve begins at 0-0-0 to the target value and finish at 255-255-255. the curve definition is another thing and isn't the subject today.

I precise that I tried the Gmic HSV mapping but the adjustment with cursors take too much time to adjust with best accurate.

Thank you very much