Digital image sharpening method using SVD block transform

Details Digital image sharpening method using SVD block transform Digital image sharpening method using SVD block transform

1988-12-27

1990-07-31

Lall, Parshotam S.

Boots, shoes, and leggings

358166, 358167, 382 51, G06F 15332, H04N 140

Patent

active

049455028

ABSTRACT:
A block transform image sharpening method employs singular value decomposition to boost texture and edge detail while not boosting shaded (uniform) areas of the image characterized by a lower signal-to-noise ratio while at the same time reducing noise in other areas of the same image not containing much edge detail or texture.

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