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- W4244921817 abstract "A new full-reference Perceptual Image Quality Assessment (PIQA) technique based on Hue-Saturation-Intensity (HSI) transformation method for colour images is offered in this work. Fundamentally, it is combined with three approaches (colour transformation, histogram processing and Human Visual System (HVS) based weighting) and it uses the Discrete Cosine Transform (DCT) domain. The PIQA is composed of four phases. At the first phase, a colour image is transformed using the HSI because an important characteristic of eyes reaction to intensity of light and colour knowledge is used for quality assessment processes. All channels' DCT coefficients have been calculated at the second phase, because many specifications cannot be assessed in the spatial domain. At the third phase, histogram based quality assessment results are obtained by using histogram of each channel (Hue, Saturation and Intensity). These results are weighted for obtaining perceptual quality result taking into account the HVS specifications at the last phase because the human eye has different sensitivities to the intensity and the others (i.e., hue and saturation). Experimental outcomes about feasibility of the PIQA on test images under different deteriorations, both sensible by the HVS and with the same Peak Signal to Noise Ratio (PSNR) result are offered. The PIQA shows better performance in comparison to state-of-the-art techniques" @default.
- W4244921817 created "2022-05-12" @default.
- W4244921817 creator A5036131080 @default.
- W4244921817 date "2020-12-30" @default.
- W4244921817 modified "2023-10-18" @default.
- W4244921817 title "Perceptual Image Quality Assessment Technique for Color Images based on HSI Colour Space" @default.
- W4244921817 doi "https://doi.org/10.52549/ijeei.v8i4.2180" @default.
- W4244921817 hasPublicationYear "2020" @default.
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