Tip 1: How to replace the background in Photoshop

Replacement background in the photo - one of the most common problems of digital image processing.The most flexible way to achieve a good result is the creation of masks.This method does not force you to go back to the very beginning of the work, if you are not satisfied with the result.This approach is particularly important when the production processing.
Guide
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Download photo.Select the background by any available means.It is convenient to use the tool "magic wand» (Magic Wand Tool).However, to highlight the "difficult" subjects such as, for example, a portrait of a person with developing hair is better to choose "Select by color» (Color Range).
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then convert the «background» in the layer by clicking on it a double-click, and invert the selection.Create a mask, activating the button «Add Layer» in the Layers panel or the appropriate command in the menu «Layer».Go to the mask and blur it by selecting «Gaussian Blur».
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resulting layer mask, apply to the new background.Unlike
other methods of selection, the team «Color Range» is able to capture too much, resulting in background emerges where it should not be.Remove the excess background , be adjusted to the mask eraser large diameter.
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Perhaps the edges of an object, such as the hair will look "poedennymi."To eliminate this effect duplicate layer.Turn to the lower layers of the multiplication mode and erase eraser mask so that it is no longer "cut" hair.Then, continuing to work in the lower layer, including the top.Brightness - contrast or levels Achieve this result multiplying and background layer to the hair began to look natural.So the permutation is performed on the light background.
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If it is dark, replace the multiplication mode «Multiply mode» mode «Linear Light Mode» or «Hard Light Mode».For a more precise study of the hair, apply to the lower layer forming a strong unsharp «Unsharp Mask Filter».Also can be used to select tools «Pen Tool» or «Magic Lasso», to "clean up" the hair - «Background Erase».In order to separate the object from the background , team approach «Extract».
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Remember that to achieve the best results it is important and imaging technology.Soft vivid colors background , where the survey was carried out, to facilitate the latter.It is important to note that when the permutation on light background should be removed on a light background, and for shifting on dark background - in the dark.

Tip 2: How to change the background in Photoshop

One of the effective methods to create photo collage is the replacement of the old background photos to another.This allows you to transfer photos to any characters, corresponding to the author, the place of action - or even exotic fantastic.You can do this by using an arsenal of tools of the program Adobe Photoshop.
How to replace the background in Photoshop
Guide
1
To replace the background on digital image, it is first necessary to characters or objects that are not background were separated from, in fact, the background - now unnecessary - fragmentsImages.This can be done in many ways: either manually scanning the contours of the figures with the help of a set of tools Lasso, automatically highlighting the parts of the image using the Magic Wand tool and the Quick Selection, a different way to create masks, etc.One way or another, combining the functions of the above instruments, in the end, you need to get the allocation - the necessary parts should be on a path framed by flickering borders.Now it is necessary to ensure that all other image is clear - then this place will be able to take a new background.
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With the selection, attach layer invisibility.For this it is necessary to add a mask to the layer transparency.This feature is available through the menu Layer & gt; Layer Mask & gt; Reveal Selection (Layer & gt; Layer Mask & gt; set the selected) or by clicking on the icon Add Layer Mask (Add layer mask) at the bottom of the Layers panel.You will see how you circled items remain visible, and all that is abroad selection, it became invisible - instead of the image began to shine through the gray and white squares technical background .In this simple, at first glance, the operation has one pitfall.The described procedure works on any layer Photoshop layer types except Background (Background).Technically you will not be able to assign a transparency mask to this layer.(To see whether this is so, take a close look at the Layers palette, unearth that by pressing F7) This layer is created by default the program as a base layer of a digital image and is different from the others, in fact, that has a significant number of restrictions - including it isIt can not be moved from its place and can not change the transparency.What to do?- To remove these restrictions by making this layer common layer model.To do this in the context menu that appears when you click the right mouse button (if you work in the Windows) on line of the layer name in the list, select the menu item Layer from Background (Create Layer from Background).Also, this command is available through the main menu Layer & gt; New & gt;Layer from Background.Since the layer Background / background will be replaced with the image of an ordinary bed.Now restrictions have been lifted, and you can do the above procedure destination layer mask transparency.
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Open the file with the future of the background.Copy the image from it to the clipboard.To do this, select a fragment of the image - for example, using a set of tools Marquee, - or just select all the image field by pressing Ctrl + A (or by going to the Selection menu item Select All / Select All).After highlighting the selected put to the clipboard by pressing Ctrl + C or selecting menu Edit (Editing) Point Copy (Copy).
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Now go back to the original photo, and paste the contents of the buffer - our new background.We carry out this operation by pressing Ctrl + V, or found in the menu Edit (Editing) item Paste (Paste).In our formulation, a new layer that contains the background image.It may happen that after the insertion of the new layer is located above the source of the transparent layer - it will cover the latest in whole or in part.Of course, this is not true, and to put things in order, go to the Layers panel and interchange - by simply dragging the mouse - from the point with the names of layers to "Background" layer turned out to be lower, and layer "with the characters" above.
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is rare that two images immediately matched in size.Inserted background may be either too bulky, or, on the contrary, a few less than the required size, relative to the original image of the characters.Change the geometric size by selecting the desired layer in the list on the Layers panel, and press the key combination Ctrl + T.Then the edges of the layer will appear small square pointers shifting that can change the size and location of the layer, gradually achieving a harmonious mutual arrangement background and characters.After finishing the conversion, press Enter, confirming, thus, the final selection of the desired size.
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Further, it is usually necessary to make another fairly complex operation.Both photos are now included in a single composition, starring, of course, under different lighting conditions, different equipment, etc. This difference usually becomes blatant in their combination.One image can be dramatically lighter or darker than the other, the photos may be differences in color shades - one may, for example, yellow, the other - blue, etc.All this will certainly strike the viewer's eyes, and if you specifically achieve the effect unnatural your collage, you'll have to work hard.Nevertheless, the presence of even a small experience, consistently creating adjustment layers, partially or completely change the brightness and color of each of the images, after a while you will be able to achieve its natural balance.
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way, very often on the degree of unnatural combination of influences to create a mask sloppy transparent base layer.According to the contours may "shine" remnants of the former background , and small and subtle details - hair, or folds of clothing - may, on the contrary, be roughly cut, creating a sense of "amputation".All of this is fixable - a transparency mask to finish and can be changed at any time.
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Of course, the composition can be added other elements, arranging them and how additional details background - below the main image, or adding them to the fore, as the details of the entourage.Also, if something does not fit, or, conversely, will be a lot of extra space, you will need to change the size and proportions of the working field of the image - this is also done simply through the main menu Image & gt; Canvas Size (size of the canvas).
Note
How to change the background in Photoshop?To do this, select the tool "Blur."Then hold the left mouse button and slide your cursor over the contour of the silhouette, thus sharp erosion of the boundaries between the two composite image.Thus, you can easily replace the background in your photos, getting the most even more interesting picture.
Helpful Hint
Lesson Photoshop - Changing the background.In this lesson you will learn how to replace the background in the picture by using a layer mask.A layer mask is one of the best tools for selecting objects.With the layer mask is easy to correct errors in the allocation of the object, you just change the color from black to white and vice versa.Congratulations on your new knowledge in Photoshop!
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