Image resolution usually refers to the number of pixels (the smallest element of a digital photo that has the color and brightness information). The more pixels, the data is in a digital photograph and its capacity increased.
The number of pixels is calculated by multiplying the number of pixels horizontally and vertically. There is also another definition resolution, which is based on pixel density (pixels per inch / ppi). This resolution is also called spatial resolution determines the sharpness of a photograph.
How to change the image resolution can be done in software if the digital photograph. The simplest is that through the MS Paint program that is usually included in the Windows operating system.
The trick is quite simple: press the word "Resize" located under the "Home." Click the option "pixel" and enter the number of pixels horizontally / vertically desired.
If you use Adobe Photoshop CS, the way he is:
In the Image menu, click "Image Size". Enter the number of pixels horizontally / vertically desired. Adobe Photoshop CS also provides the option to change the size of the spatial resolution, pixels per inch. 72-100 ppi good enough for the screen and for printing, 300 ppi is usually a good size.
If you use Adobe Photoshop Lightroom, the way he is at the time of export photos, in the "Image Sizing" we can enter the desired output size photo.
For other software, usually something like. Search Image Size menu. Good luck!
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Androidku - Wednesday, May 22, 2013
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