论文信息 - FUNDAMENTAL REQUIREMENTS FOR PICTURE PRESENTATION

FUNDAMENTAL REQUIREMENTS FOR PICTURE PRESENTATION

How many bits per picture element does a display need?" For the display resolutions now commonly in use, only 4 bits per picture element (pel) are needed for the display of monochrome images. A total of 8 bits per pel are needed for color images. These conclusions are based both on experiment and on the theoretical model of the visual system in which the detectors in the eye are treated as simple photon-detectors. The results are applicable to "natural" images and also to computer- generated images. A particular 8-bit color encoding scheme is described that also has the advantage that natural images are displayable on monochrome displays.

M. F. Cowlishaw

[1] R H MORGAN,et al. Screen intensification systems and their limitations. , 1949, The American journal of roentgenology and radium therapy.

[2] J. Robson. Spatial and Temporal Contrast-Sensitivity Functions of the Visual System , 1966 .

[3] Alvin D. Schnitzler. Analysis of Noise-Required Contrast and Modulation in Image-Detecting and Display Systems , 1973 .

[4] A. Rose. The sensitivity performance of the human eye on an absolute scale. , 1948, Journal of the Optical Society of America.

[5] W. Fergus,et al. The Human Eye as an Optical Filter , 1968 .

[6] F. Campbell,et al. THE VISUAL DISPLAY TERMINAL ISSUE: A CONSIDERATION OF ITS PHYSIOLOGICAL, PSYCHOLOGICAL AND CLINICAL BACKGROUND , 1983, Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians.

[7] David J. Sakrison,et al. The effects of a visual fidelity criterion of the encoding of images , 1974, IEEE Trans. Inf. Theory.

[8] P. Kaiser,et al. Saturation of spectral lights , 1976 .

[9] H R BLACKWELL,et al. Contrast thresholds of the human eye. , 1946, Journal of the Optical Society of America.

[10] J. J. Vos. Colorimetric and photometric properties of a 2° fundamental observer , 1978 .