Biblioteka Cyfrowa
Opis wydania
Benchmarking image codecs by assessment of coded test images: the development of test images and new objective quality metrics, Journal of Telecommunications and Information Technology, 2006, nr 1
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Temat i słowa kluczowe :
artefacts
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blockiness
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blur
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coding
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image quality
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metric
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objective
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ringing
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subjective
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Opis :
Objective quality measures are required for benchmarking codec performance. Our aim was to develop a simple, accurate method capable of rapidly measuring the degree of blockiness, edge-blur and ringing due to image compression. Two test images were designed to emphasise these artefacts. The efficacy of the new metrics is demonstrated using a JPEG codec at a range of compression levels.
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