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An Efficient Approach to the Reduction of Mosquito Noise for the JPEG/JPEG2000 Decoded Image by Using Epsilon Filter

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The JPEG (joint photographic experts group) compression algorithm is possible to decode an image effectively, by considering the visual characteristic of human beings. The mosquito noise generates in the block, when a compression rate of the JPEG is high. On the other hand, the block noise is not generated in the JPEG2000 decoded image because an algorithm of the JPEG2000 based on DWT (discrete wavelet transform). However, the mosquito noise appears to a high compressed image by using the JPEG2000. We lose not only the mosquito noise but also some important image information, when the usual noise reduction filter is applied for a JPEG/JPEG2000 decoded image including the mosquito noise. As a result, the image quality worsens.

In this paper, we propose an efficient algorithm which reduces the mosquito noise of the JPEG/JPEG2000 decoded image by using ε-filter. We confirmed that our proposed method was effective by the computer experiments.
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Document Type: Research Article

Publication date: 01 January 2002

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  • 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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