Visual sensitivity, blur and the sources of variability in the amplitude spectra of natural scenes

作者: David J. Field , Nuala Brady

DOI: 10.1016/S0042-6989(97)00181-8

关键词: WaveletSpectral densityAmplitudeOpticsPoison controlContrast (vision)AlgorithmImage processingFocus (optics)Spatial frequencyMathematics

摘要: A number of researchers have suggested that in order to understand the response properties of cells in the visual pathway, we must consider the statistical structure of the natural …

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