In this paper, we propose a new image quality metric using the gradient information. When
an image is degraded, the difference exists between the reference and distorted images …

In this paper, we present a general framework for computing full reference image quality
scores in the discrete wavelet domain using the Haar wavelet. In our framework, quality …

The goal of the objective image quality assessment is to quantitatively measure the image
quality of an arbitrary image. The objective image quality measure is desirable if it is close to …

T. Mitsa, and KL Varkur,“Evaluation of contrast sensitivity func tions for the formulation of
quality measures incorporated in halfton ing algorithms,” in Proc. IEEE Int. Conf. Acoustics …

(57) ABSTRACT A visual quality assessment method and system are based on deriving a
quality metric by comparing Sub-band approxima tions of a distorted image and an …

Method and system for determining a measure of quality for images by using multi-level
decomposition are presented. Multi-level decomposition of images is performed in the …

This study proposes a joint rate-distortion optimization for the H. 264 rate control algorithm
with a novel distortion prediction equation. First, based on the original distortion theorem, we …

Method and system for low complexity assessment of quality of an image are presented. By
performing multiresolution decomposition of images using, for example, a discrete wave let …

Method and system for determining a measure of quality for images are presented. Multi-
level decomposition of images in the wavelet domain using a variable number of levels of …

In this paper, we propose a new image quality metric using the phase quantization code
(PQC), which represents the sign of phase quadrature output of a complexvalued filter such …