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Flexible Image Codec For Image Printing

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In a digital printing system, it is necessary to equip with a high-performance image codec module for the requirement of high image resolution and processing speed. A DWT (Discrete Wavelet Transform)-based image encoding and decoding technique that is commonly adopted for high-performance image application is proposed. A parallel processing mode, that uses an arbiter to make a continuous data propagation between DWT and multiple Entropy Coders, is the kernel idea of the technique. In this scheme, the role of the arbiter is to decide the propagation path of the Code Block data between DWT and one of the Entropy Coders. In addition, an efficiently managed strategy of the Code Block is another crucial design for improving the encoding and decoding speed. As a result, a high-performance hardware codec and speed-tuning module are implemented. The flexibility and high performance can be achieved with this implementation by manipulating optimal balance between cost and performance in various applications of image codec.
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Document Type: Research Article

Publication date: January 1, 2003

More about this publication?
  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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