Image processing method

Details Image processing method Image processing method

1989-04-20

1992-04-07

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 28, G06K 946

Patent

active

051034875

ABSTRACT:
An image processing method generates a density concurrent matrix. An original image is shifted for generating a shifted image, with pixels in the shifted image corresponding to (conceptually overlapping) pixels in the original image. Bit strings are formed by combining a pixel density value of a pixel from the original image with a density value of a corresponding pixel from the shifted image. In an example, two 4-bit density values are combined into a single 8-bit string. Bit strings formed from pixel pairs are counted to give the number of occurrences of density pairs in the original and shifted image.

REFERENCES:
patent: 4665551 (1987-05-01), Sternberg et al.
Mitchell, Myers and Boyne, A Max-Min Measure for Image Texture Analysis, IEEE Transactions on Computers, Apr. 1977, pp. 408-414.
Haralick, Shanmugam and Dinstein, Textural Features for Image Classification, IEE Transactions on Systems, Man, and Cybernetics, vol. SMC-3, No. 6, Nov. 1973, pp. 610-621.
Weszka et al., A Comparative Study of Texture Measures for Terrain Classification, IEEE Transactions on Systems, Man and Cybernetics, vol. SMC-6 No. 4, Apr. 1976.

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