Compression Algorithm Fundamentals

  • Weidong Kou
Part of the The Springer International Series in Engineering and Computer Science book series (SECS, volume 333)


As stated in Chapter 1, an image is a representation of an object. Technically speaking, images are two-dimensional signals received by the human visual system. When an image is digitized, it becomes a digital image. The most basic requirement for digital image compression is the digitization of an image object (or simply an image) such as a physical picture, a document page, and the like. The digitization of an image involves two processes, sampling and quantization. The sampling process maps a physical image into an array of pixels by spatially sampling points of the physical image. The quantization process on the other hand, uses a limited number of bits to represent each pixel.


Vector Quantizer Arithmetic Code Huffman Code Source Symbol Differential Pulse Code Modulation 


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© Springer Science+Business Media New York 1995

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  • Weidong Kou

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