NIHON GAZO GAKKAISHI (Journal of the Imaging Society of Japan)
Online ISSN : 1880-4675
Print ISSN : 1344-4425
ISSN-L : 1344-4425
Original Papers
Improvement of Degraded Image by Motion-JPEG2000
Hironori HAYASHI, Yusuke YAMAZAKI, Norihei MORI, Yasushi HOSHINO
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Keywords: Motion-JPEG2000, image quality improvement, median filter, averaging filter, subjective evaluation
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2003 Volume 42 Issue 3 Pages 206-208

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Abstract
Recently the application of JPEG2000 is studied extensively. Motion-JPEG2000 is image coding/decoding algorithm for motion picture based on JPEG2000. Degradation by Motion-JPEG2000 is investigated and its improvement is proposed. Median and averaging filter over time-space domain with threshold is applied to degraded picture. Concerning 4 typical motion pictures of animations and natural images, the threshold dependence on image quality is evaluated subjectively. The median filter with the threshold is found to be effective for image quality improvement.
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© 2003 by The Imaging Society of Japan
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DENSHI SHASHIN (Electrophotography)

DENSHI SHASHIN GAKKAISHI (Electrophotography)

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