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This paper presents a method of compressing and reconstructing a real image using its feature map and a feature catalogue that conprises of feature templates representing the local forms of features found in a number of natural images. Unlike most context-texture based techniques that assume all feature profiles at feature points to be some form of graded steps, this method is able to restore the...
Error measures can be used to numerically assess the differences between two images. Much work has been done on binary error measures, but little on objective metrics for grey-scale images. In our discussion here we introduce a new grey-scale measure, Δg, aiming to improve upon the most common grey-scale error measure, the root-mean-square error. Our new measure is an extension of the authors' recently...
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