Applying a Color Selection Mask to Multiple Images in Capture One

kentaro tokumasu

• August 01, 2023 06:41

Hello Capture One Community,

I am currently working on a project where I need to apply the same color selection mask to multiple images. I have been able to create a mask from a color selection on a single image, but I am having trouble applying this mask to all images in my project.

Here's what I've done so far:

1. I selected a color range in the Advanced Color Editor.
2. I created a mask from this color selection.

I tried to apply this same mask to all images in my project using the "Copy/Apply Adjustments" feature. However, I've noticed that the mask doesn't align correctly on the other images. It seems to be slightly off, which affects the final result.

Could anyone provide a step-by-step guide on how to apply a mask from a color selection to all images in a project without the mask shifting? Any help would be greatly appreciated.

Thank you in advance for your assistance.

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  BeO

  • August 01, 2023 22:09
  • Edited

  

  Is the mask shifting or is the color in the other images at a different position?

  I assume the latter (unless capturing a static scene from a tripod), then read on:

  Your step two creates a mask which consists of pixels with opacity and position. These mask pixels are static, totally disconnected from the color range you specified in step one.

  Hence, copying the mask (layer) will just do that, copy the mask pixels to the same pixel location.

  To cirvumvent the problem, copy the Advanced Color Editor (ACE) settings defined in step one from the background layer instead of copying the created layer. Then visit each image, re-execute step two.

  Before that you could check in the ACE with "View selected color range" (or by increasing the luminosity slider to its extreme) in each image whether or not you need to fine-tune your color range, as every image might record colors slightly different.

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  kentaro tokumasu

  • August 02, 2023 17:50

  Hello, I followed BeO's advice and tried it out. First, I used the Advanced Color Editor (ACE) to select the color, then I selected the images where I wanted to apply the mask and pressed "Edit Selected." After that, I used "Create Masked Layer from Selection." Capture One automatically created masks for the specified color parts on multiple images, just as I had hoped. I didn't know this was possible, and I am grateful for the information. Thank you very much!

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  BeO

  • August 02, 2023 18:19

  

  Capture One automatically created masks for the specified color parts on multiple images,

  Great news, I didn't know this either :-)

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