Background Knockout Technique Needed for Product Photography


Been spending a lot of time on here!
Jul 18, 2007
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I am slowly getting work to do some product photography from a local company with international business. They (the marketing department) want me to 'knockout' the background of the products so they can use on their data sheets, website relaunch and various publications for promotion and advertising.

I'm pretty much an idiot to selected editing.... I'm comfortable enough with global. So the idea is to have the product image only where they can place that on any desired background of their choice.

Does anyone have experince with this method?

Here is an example image. I used an upturned wine glass to place the device on to photograph. I want to remove any and all of the glass.


If you don't mind...... this is not a discussion on the image in and of itself, nor do I wish to have a discussion on possible solutions. I would very much like a proven method for the cleanest, easiest way to get this accomplished.

Thanks in advance.​
Check out masking tutorials on Youtube. There are lots that can show you how to easily get a selection of only the product.
Check The Russell Brown Show, he is the Senior Creative Editor for Adobe and has lots of tips and techniques videos on his website.

Look for the CS3: Extract Monster Background, CS5: New Masking Basics and CS5: New Advanced Masking videos.

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