how to combine image backgrounds so that a border does not appear?

[Odwazny]

Hello, I will attach an example image, where I would like to know if I have any option to merge the background of the images in my catalog, directly within InDesign without needing to use Photoshop. The idea is that the edges do not appear and the images background borders blend togheter.

[BobLevine]

Do it in Photoshop

[Barb Binder]

You could play with blend modes (Window > Effects) but I don't see how they will get you where you want to go. Photoshop will, of course. 

~Barb

[James Gifford—NitroPress]

Yes, this is a Photoshop/image management part of the process. For catalog and library work, the goal is usually to rough-mask the object/model/product, then blend/fade the background to a consistent white/gray/tint within a given range of the content, so that even if cropped the images will blend seamlessly in a layout. It should be done that way on a production basis by the photographer/image manager at a commercial level.

[Jeffrey_Smith · Accepted solution]

You can overlap the images and then use a gradient feather to blend images.

[James Gifford—NitroPress]

For a one- or few-shot solution, this is integral to the layout and simplest. But if (as I suspect) it's a "many" that has to be replicated across many pages, solving it at the library image level is a more... foundational? fix. Eliminate the problem in the images, as a shop practice, and not in every placement of the image/s.

[Odwazny]

Thank you! This is a fast way to do it like i need. 

[Robert at ID-Tasker]

@Odwazny

Do what @Jeffrey_Smith suggested - but a bit differently.

Add 3rd image that will overlap both - like the red frame on your picture - with a fill color - or better yet bitmap averaged from your photos - and blend left and right edges.

If you do it on the Master Spread - assuming all your photos have the same background - you'll have to add this 3rd image "mask" only once. 

[Odwazny]

That a very good way too! Thank you so much, i'll try.