Television – Camera – system and detail – Combined image signal generator and general image signal...
Patent
1993-02-01
1995-05-09
Razavi, Michael T.
Television
Camera, system and detail
Combined image signal generator and general image signal...
348246, 348247, 348248, H04N 5335, H04N 314
Patent
active
054144663
ABSTRACT:
The analysis of an image of the field of observation from a heat camera by bands of n lines prompts the appearance of streaks or "striping" in certain zones of the image, all these zones constituting a "striping space". The device for the implementation of the method includes means to determine a base of orthonormal functions H and V, generating a vector space of functions for which the values taken, at each point of the image, represent the luminance values of all the types of striping, means to modelize the striping exhibited by the image in determining the coefficients of distribution of this striping on the basic functions, means to synthesize the striping, in determining the luminance values of the striping from the coefficients of correlation and from the values of he basic functions, and, finally, means to substract the luminance values of the synthesized striping from the luminance values of the initial image.
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patent: 4920428 (1990-04-01), Lin et al.
patent: 5041913 (1991-08-01), Abe
patent: 5047861 (1991-09-01), Houchin et al.
Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing, Mar. 26-29, 1985, vol. 2 of 4, pp. 684-687, K. M. Tao et al., "Adaptive Noise Cancelling Applied to Image Restoration".
Computer Graphics and Image Processing, vol. 16, No. 3, Jul. 1981, pp. 287-295, V. Ralph Algazi et al., "Radiometric Equalization of Nonperiodic Striping in Satellite Data".
Proc. IEEE Intl. Conf. on Acoustics, Speech, & Signal Processing, Mar. 26-29, 1985, vol. 2 of 4, pp. 684-687, K. M Tao et al., "Adaptive Noise Cancelling Applied To Image Restoration".
Fety Luc
Noreve Xavier
Terre Michel
Razavi Michael T.
Shalwala Bipin
Thomson-TRT Defense
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