Abstract
JPEG is an international industry standard algorithm for compressing continuoustone still images. JPEG which stands for Joint Photographic Expert Group is currently one of the most popular encoding formats used for storing and transmitting images. JPEG is a variable coding bit-rate method and in this chapter two algorithms for controlling the produced compression ratio are reported. The bit-rate control techniques feature an excellent accuracy, a low computational complexity, and a full compliance with the JPEG standard bitstream. Furthermore, the application of these algorithms does not affect the quality of the decompressed images, i.e., to reach the target compression ratio there are no additional losses other than those inherent to JPEG. The most performant of the two bit-rate control techniques has been successfully implemented in a consumer electronics industrial prototype.
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© 2003 Kluwer Academic Publishers
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Bracamonte, J., Ansorge, M., Pellandini, F. (2003). Bit-Rate Control for the JPEG Algorithm. In: Tasič, J.F., Najim, M., Ansorge, M. (eds) Intelligent Integrated Media Communication Techniques. Springer, Boston, MA. https://doi.org/10.1007/0-306-48718-7_8
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DOI: https://doi.org/10.1007/0-306-48718-7_8
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