Image analysis – Image transformation or preprocessing – Changing the image coordinates
Patent
1998-05-19
1999-03-30
Shalwala, Bipin
Image analysis
Image transformation or preprocessing
Changing the image coordinates
382261, 382298, 382299, 358428, 358515, G06K 932, G06K 940
Patent
active
058898948
ABSTRACT:
An original image signal, which represents an original image and is made up of a series of original image signal components Yij, is obtained. Corresponding interpolation coefficients Bij and Cij, which are set for each of the original image signal components Yij, in two different interpolating functions f and g, represented by Formulas (1) and (2), for obtaining two interpolation images having different levels of sharpness are linearly combined with each other by using Formula (3). A new interpolation coefficient Aij is thereby obtained. An interpolating operation is carried out on the original image signal components Yij with an interpolating function h, which has the new interpolation coefficient Aij and is represented by Formula (4). An interpolation image signal is thereby obtained, which is made up of a series of image signal components occurring at intervals different from those of the original image signal components Yij,
REFERENCES:
patent: 5048105 (1991-09-01), Adachi
patent: 5054100 (1991-10-01), Tai
patent: 5294998 (1994-03-01), Piovoso et al.
patent: 5774601 (1998-06-01), Mahmoodi
Aoyama Tatsuya
Ito Wataru
Fuji Photo Film Co. , Ltd.
Mariam Daniel G.
Shalwala Bipin
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