Visibility of blobs with a gaussian luminance profile

[1]  D H Kelly,et al.  Motion and vision. IV. Isotropic and anisotropic spatial responses. , 1982, Journal of the Optical Society of America.

[2]  M. A. Bouman,et al.  Perimetry of contrast detection thresholds of moving spatial sine wave patterns. III. The target extent as a sensitivity controlling parameter. , 1978, Journal of the Optical Society of America.

[3]  D. H. Kelly,et al.  Pattern detection and the two-dimensional fourier transform: Circular targets , 1975, Vision Research.

[4]  J. Koenderink,et al.  Sine-wave gratings:Scale invariance and spatial integration at suprathreshold contrast , 1983, Vision Research.

[5]  J. McCann,et al.  Visibility of continuous luminance gradients. , 1974, Vision research.

[6]  F. Campbell,et al.  Visibility of aperiodic patterns compared with that of sinusoidal gratings , 1969, The Journal of physiology.

[7]  H. Wilson Quantitative characterization of two types of line-spread function near the fovea , 1978, Vision Research.

[8]  O. Schade Optical and photoelectric analog of the eye. , 1956, Journal of the Optical Society of America.

[9]  C. B. Rubinstein,et al.  A model of threshold vision incorporating inhomogeneity of the visual field , 1977, Vision Research.

[10]  F A Bilsen,et al.  The influence of the number of cycles upon the visual contrast threshold for spatial sine wave patterns. , 1974, Vision research.

[11]  R. Hess,et al.  The functional area for summation to threshold for sinusoidal gratings , 1978, Vision Research.

[12]  H R Wilson,et al.  Further evidence for four mechanisms mediating vision at threshold: sensitivities to complex gratings and aperiodic stimuli. , 1979, Journal of the Optical Society of America.

[13]  R. G. Waarts,et al.  Contrast detection and its dependence on the presence of edges and lines in the stimulus field , 1983, Vision Research.

[14]  H. Barlow,et al.  The statistical efficiency for detecting sinusoidal modulation of average dot density in random figures , 1981, Vision Research.

[15]  D. H. Kelly,et al.  J-o stimulus patterns for visual research. , 1960, Journal of the Optical Society of America.

[16]  R. Gubisch,et al.  Optical Performance of the Human Eye , 1967 .

[17]  T. Reichert,et al.  Spatial summation effects on two-component grating thresholds. , 1978, Journal of the Optical Society of America.

[18]  J. Bergen,et al.  A four mechanism model for threshold spatial vision , 1979, Vision Research.

[19]  J. McCann,et al.  Visibility of low-spatial-frequency sine-wave targets: Dependence on number of cycles. , 1975, Journal of the Optical Society of America.

[20]  R. Shapley Gaussian bars and rectangular bars: the influence of width and gradient on visibility. , 1974, Vision research.

[21]  J. Robson,et al.  Application of fourier analysis to the visibility of gratings , 1968, The Journal of physiology.

[22]  H. Levitt Transformed up-down methods in psychoacoustics. , 1971, The Journal of the Acoustical Society of America.

[23]  C. R. Cavonius,et al.  Low-frequency attenuation in the detection of gratings: Sorting out the artefacts , 1976, Vision Research.