Apparatus and method for data compression with the CLEAN techniq

Details Apparatus and method for data compression with the CLEAN techniq Apparatus and method for data compression with the CLEAN techniq

1995-03-16

1998-07-21

Coles, Sr., Edward L.

Image analysis

Image compression or coding

382243, 342 25, G06K 936, G01S 1300

Patent

active

057844925

ABSTRACT:
A method and system for deconvolution derived from the CLEAN technique. The nonlinear CLEAN method, combined with a priori knowledge of the point spread function allows for extraction and subsequent transmission of the non-redundant information. The point spread function is then treated as the redundancy function. Thus, the data set may be regarded as a convolution of the non-redundant information with the redundancy function. Since the non-redundant data is a small subset of the overall data set, images and/or other data may be transmitted over narrowband channels using the system of this invention. Effective data compression may be further enhanced by using the system of this invention prior to additional compression or encoding techniques based upon the digital data and digital compression techniques.

REFERENCES:
patent: 5262878 (1993-11-01), Esserman
patent: 5394151 (1995-02-01), Knaell et al.
"Inverse Problems and Antidiffusion," Boston University Graduate School, Ph.D. Dissertation, Constantin S. Konstantopoulos, 1992.
"Data Compression Using the Deconvolution Algorithm CLEAN," Cohen, et al., International Journal of Imaging Systems and Technology, vol. 5, pp. 28-32, 1994.
"Digital Image Processing" R. C. Gonzalez and R. E. Woods, pp. 8-10, 320-321, Addison-Wesley (1992).
"Digital ans Analog CommunicationSystems" L. W. Couch II 3rd ed. p. 9, MacMillan Publishing Company (1990).

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