Wireless Pers Commun https://doi.org/10.1007/s11277-018-5888-x Combined Blockiness, Blurriness and White Noise Distortion Meter 1 2 • • Muhammad Ibrar-ul-Haque Muhammad Tahir Qadri 2 1 Najeeb Siddiqui Talat Altaf Springer Science+Business Media, LLC, part of Springer Nature 2018 Abstract Due to discrete cosine transform (DCT) based compression, the loss appears in the form of blocky and blurry distortions in coded pictures. One of the degradation is white noise which corrupts nearly all pixels in the picture. In image transmission system, to assess the image quality at receiver end, lesser image features are sent, instead of the whole reference original picture to accommodate the available bandwidth. The purpose of this research is to propose a procedure which quantiﬁes or estimates the objective picture quality automatically. The presented combined white noise image quality assessment meter (CWNIQAM) functions in the frequency domain for computation of three artefacts blockiness, blurriness and white noise in the corrupted coded images. The designed quality meter at ﬁrst converts RGB pictures into YC C , gray scaled pictures and then edge b r detection method is applied. Afterward the picture is divided into blocks of 32 9 32 pixels to get local level blockiness, blurriness and white noise value.
Wireless Personal Communications – Springer Journals
Published: Jun 5, 2018
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