Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1985-08-23
1987-07-28
Groody, James J.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358 37, 382 49, 382 54, H04N 514, G06K 940
Patent
active
046834966
ABSTRACT:
A system and method enhances a first pictorial representation of an image within a first frequency band so as to provide an enhanced pictorial representation of the image. The system and method uses information contained within at least one other registered pictorial representation of the image within a second frequency band and having a better resolution than the first pictorial representation of the image. In accordance with the operation of the system and carrying out the steps of method of the present invention, the other pictorial representation is modified, preferably by effectively blurring the representation to the resolution of the first pictorial representation such that local correlation information between the resulting modified pictorial representation and the first pictorial representation are determined and used to generate the enhanced version of the first pictorial representation.
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patent: 4532548 (1985-07-01), Zwirn
"Adaptive Least-Squares Technique for Multi-Band Image Enhancement", IEEE International Conference on Acoustics, Speech, and Signal Processing, Mar. 1985, by Tom et al.; pp. 18.14.1-18.14.4.
"Spatial Resolution Improvement of TM Thermal Band Data", SPIE, vol. 504, Applications of Digital Image Processing VII (1984); by Tom et al.; pp. 384-390.
"Spatial Sharpening of TM Data using a Multi-Band Approach"; The Analytic Sciences Corporation; Optical Engineering, Nov. 1985, by Tom et al.
"Spatial Enhancement Techniques for Multichannel Satellite Imagery"; Proceedings IGARSS, by Tom et al.; Oct. 1985.
"Recursive Least Squares Smoothing of Noise in Images"; IEEE Transactions on Acoustics, Speech, and Signal Processing; vol. ASSP-25, No. 6; by Panda et al.; Dec. 1977, pp. 520-524.
"Synthetic Stereo and LANDSAT Pictures"; Photogrammetric Engineering and Remote Sensing, vol. 42, No. 10, by Batson et al.; Oct. 1976, pp. 1279-1284.
Groody James J.
Parker Michael D.
The Analytic Sciences Corporation
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