Image processing device for continuously extracting features of

Details Image processing device for continuously extracting features of Image processing device for continuously extracting features of

1983-05-13

1985-09-17

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 27, G06K 936

Patent

active

045425272

ABSTRACT:
An image processing device which processes a small region of a predetermined number (m.times.n) of picture elements in a two-dimensionally scanned image and successively obtaining accumulated output of picture element data of a new small region containing a new picture element each time the new picture element data is read out. The sum of data of n consecutive picture elements of each row in an array of (M.times.N) picture elements is obtained, and is updated every time a new picture element of the corresponding row is read. The accumulated sum of the picture element data of a small area having (m.times.n) picture elements is obtained, and is updated every time new picture element data is read, thereby obtaining the accumulated sum of new (m.times.n) picture element data.

REFERENCES:
patent: 4162481 (1979-07-01), DuVall
patent: 4408343 (1983-10-01), Neill et al.

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