Textured Wallpaper Uk Biography.
My main research interests involve developing computational models for human visual perception. For my PhD I investigated human search strategies and modelled the results using an LNL-based model. Further information can be found here. During my Post-Doc I have investigated the ability of human observers to detect information in the phase spectrum; illumination perception; and symmetry perception in patterns.
Perception of the Frequency and Phase Spectra
The Fast Fourier Transform and the associated frequency and phase spectra are frequently used in image processing and computational models of human vision. Both spectra contain important information regarding the appearance of an image, and a large body of work has investigated the effects of manipulating these
spectra on the recognition or classifi cation of image content. Here, we use a novel means of investigating sensitivity to amplitude and phase spectra properties, by using synthetic images of textured surfaces that are broad-band in the frequency domain, and by testing the ability of observers to detect degradations of their spectral content. We directly compare the effects of display time and retinal eccentricity on detection of these two manipulations, by using stimuli matched for difficulty of detection.
My main research interests involve developing computational models for human visual perception. For my PhD I investigated human search strategies and modelled the results using an LNL-based model. Further information can be found here. During my Post-Doc I have investigated the ability of human observers to detect information in the phase spectrum; illumination perception; and symmetry perception in patterns.
Perception of the Frequency and Phase Spectra
The Fast Fourier Transform and the associated frequency and phase spectra are frequently used in image processing and computational models of human vision. Both spectra contain important information regarding the appearance of an image, and a large body of work has investigated the effects of manipulating these
spectra on the recognition or classifi cation of image content. Here, we use a novel means of investigating sensitivity to amplitude and phase spectra properties, by using synthetic images of textured surfaces that are broad-band in the frequency domain, and by testing the ability of observers to detect degradations of their spectral content. We directly compare the effects of display time and retinal eccentricity on detection of these two manipulations, by using stimuli matched for difficulty of detection.
Textured Wallpaper Uk
Textured Wallpaper Uk
Textured Wallpaper Uk
Textured Wallpaper Uk
Textured Wallpaper Uk
Textured Wallpaper Uk
Textured Wallpaper Uk
Textured Wallpaper Uk
Textured Wallpaper Uk
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