You can remove an image that is anti-aliased against a black background by following a few easy steps. Anti-aliased images are images that have jagged edges such as an image of a cactus with thorns, fireworks, complex hair selections and jagged lines. To paste it onto a different background, removing a black mattee will help make this happen. You can produce a quality picture with anti-aliased images onto a new background with Adobe Photoshop.
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Launch Photoshop. Click "File" and then "Open." Choose the photo of your choice. Unlock your picture or photo. Under the "Layers" tab, you will see that the picture will show up as a "background." In order to use the other functions in Photoshop, you will have to unlock the photo to make it a "Layer." Click on the "Background" under the "Layers" tab and hold "Alt" and double click it. Your picture will then show up as a layer.
Choose which colour channels are better at capturing the area within the picture that you want to bring out. To do this, next to the "Layers" tab, click the "Channels" tab and choose "Red," "Green," or "Blue" channel. You want to choose the one that captures the area that you want to bring out.
Make a copy of the channel that you choose by dragging it to the icon that looks like a paper that is folded at the bottom. Once you do this, click the "RGB" channel under "Channels" tab to return the picture to its original colour.
Click "Select" at the top of your screen and then scroll down and click the "Load Selection" tab. Choose your copy channel and click "OK." Then, click "Select" and then "Inverse." Once you do that, click the "Delete" button on your keyboard. Your background should be removed from image.
Replace the old background with a new one. Choose "Open" to open a new background image under "File." Drag the other picture over the new background using the "Drag" tool in the tool bar. Click "Layer" and then "Matting" and click "Remove Black Matte." Once you do this, "Save" the project and you're done.
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