Definition
Image zooming or spatial interpolation of a digital image is the process of increasing the number of pixels representing the natural scene.
Image zooming is frequently used in high resolution display devices [1] and consumer-grade digital cameras [2,3]. Unlike spectral interpolation, spatial interpolation preserves the spectral representation of the input. Operating on the spatial domain of a digital image, spatial interpolation transforms a gray-scale or color image into an enlarged gray-scale or color image (Fig. 1), respectively.
Demonstration of a color image zooming concept.
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References
N. Herodotou and A.-N. Venetsanopoulos, “Colour Image Interpolation for High Resolution Acquisition and Display Devices,” IEEE Transactions on Consumer Electronics, Vol. 41, No. 4, November 1995, pp. 1118–1126.
R. Lukac, B. Smolka, K. Martin, K.-N. Plataniotis, and A.-N. Venetsanopulos, “Vector Filtering for Color Imaging,” IEEE Signal Processing Magazine, Special Issue on Color Image Processing, Vol. 22, No. 1, January 2005, pp. 74–86.
R. Lukac, K.-N. Plataniotis, and D. Hatzinakos: “Color Image Zooming on the Bayer Pattern,” IEEE Transactions on Circuit and Systems for Video Technology, Vol. 15, 2005.
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© 2008 Springer-Verlag
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(2008). Color Image Zooming. In: Furht, B. (eds) Encyclopedia of Multimedia. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-78414-4_264
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DOI: https://doi.org/10.1007/978-0-387-78414-4_264
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