 Cheryl Tessens |
Interpolated vs. Non-Interpolated What does the term "interpolated " mean in reference to a digital image?Which gives you the better image...interpolated or noninterpolated? Thank you for your answer!
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doug Nelson |
Interpolation is a means of generating additional pixels, by reading the color and intensity values of those nearby. Makers of scanners, and sometimes digital cameras give you pixels-per-inch figures for interpolated resolution. This means that the device can generate additional pixels to boost the image file size and/or resolution. Interpolated figures have little value if image quality is a concern. Non-interpolated means the image is just as the scanner or camera makes it, using the true resolution of which the capture device is capable. Making something from nothing doesn't result in a better image, but the result may be better than no image at all. If my employer wants me to use a JPEG image from the web in a print publication, I would have to use Photoshop to resample the image up to the resolution the printer wants. A special program called Genuine Fractals is used for things like this. I may get away with it, depending upon the particular image. I'd better hope it's not the boss' picture.
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