Image analysis – Histogram processing – For setting a threshold
Patent
1992-01-28
1993-11-30
Moore, David K.
Image analysis
Histogram processing
For setting a threshold
382 21, 382 22, 382 37, G06K 948
Patent
active
052673286
ABSTRACT:
This invention describes methods and apparatus for the radial extraction and pattern recognition of image information based on "back scatter" produced by focused beam of energy such as those used in radar, sonar, and ultrasound. This invention includes methods for line and geometric pattern extraction and recognition from an image based on a pixel array. In the present invention, the information obtained from "back scatter" energy extracted and encoded by the radial extraction algorithms becomes determinants to be used either individually or in concert with each other depending upon the application and desired function. The line and geometric pattern algorithms can be used to process any type of image. These algorithms which extract and encode the patterns contained in the "back scatter" and geometric shapes contained in images are unique and provide an evaluation of various multidimensional aspects of groups of pixels in the resultant image. In addition, these algorithms are not based upon strict mathematical concepts but are rather translated to the computer in terms of bit strings which require very little processing time. The disclosed methods are designed for efficient image processing in real time on PC-type computer equipment.
REFERENCES:
patent: 3587046 (1971-06-01), Tanaka et al.
patent: 4872203 (1989-10-01), Asai et al.
patent: 4953228 (1990-08-01), Shigemitsu et al.
Johns Andrew W.
Moore David K.
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