Method and device for pattern form recognition and automatic pat

Details Method and device for pattern form recognition and automatic pat Method and device for pattern form recognition and automatic pat

1993-10-22

1995-05-02

Trammell, James P.

Boots, shoes, and leggings

36447422, 364470, G06F 1546

Patent

active

054125782

ABSTRACT:
A pattern recognition method for a cloth having a striped or checked pattern form comprising the steps of: inputting the pattern image for displaying the same on a display screen for teaching; generating X and Y axis concentration accumulated projection histograms from the input screen image over one pitch of the pattern for the teaching; performing a shading correction on the generated projection histograms; selecting a characteristic quantity and an evaluation function of the corrected projection histogram for the pattern based on the input screen image and the corrected projection histograms; further generating X and Y axis concentration accumulated projection histograms from the input screen image over one pitch of the pattern form for the actual pattern recognition; further generating an evaluation function diagram of the corrected projection histograms based on the selected characteristic quantity and the evaluation function; and determining a key pattern position on the input screen image of the pattern based on the generated evaluation function diagrams.

REFERENCES:
patent: 4551850 (1985-11-01), Werth et al.
patent: 4567610 (1986-01-01), McConnell
patent: 4807143 (1989-02-01), Matsuura
patent: 4823194 (1989-04-01), Mishima et al.
patent: 4853866 (1989-08-01), Andrad Galan et al.
patent: 4961231 (1990-10-01), Nakayama et al.
patent: 5204913 (1993-04-01), Morooka et al.

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