1993-04-06
1996-01-02
Zimmerman, Mark K.
395130, G06T 300
Patent
active
054816602
ABSTRACT:
In an image transforming apparatus for transforming an input image into a wavering output image, an attenuation standard position and an attenuation range measured from the attenuation standard position are selected and three-dimensional shape data are generated for representing a shape based on the produced transform address data by adding the address data of the input image to an offset value changing in accordance with a predetermined cyclic function. Then, an attenuation value is generated within the attenuation range, and the attenuation value changes in accordance with the distance from the attenuation standard position. The offset value is weighted by this attenuation value and the input image is mapped on the shape such that the amplitude of a ripple varies in accordance with the distance from the attenuation standard position. When the attenuation value is set to a constant value, and the offset value is weighted and such attenuation value, the input image is mapped on the shape such that the amplitude of a ripple is kept to a constant value even when the distance from the attenuation standard position changes.
REFERENCES:
patent: 4831445 (1989-05-01), Kawabe
patent: 5204944 (1993-04-01), Wolberg et al.
Patent Abstracts of Japan vol. 16, No. 579 (E-1299) 18 Dec. 1992 & JP-A-42 27 172 (NEC Corp.) 17 Aug. 1992.
Patent Abstracts of Japan vol. 13, No. 468 (E-834) 23 Oct. 1989 & JP-A-11 83 277 (NEC Corp) 21 Jul. 1989.
Patent Abstracts of Japan vol. 11, No. 27 (E-474) 27 Jan. 1987 & JP-A-61 196 681 (Sony Corp) 30 Aug. 1986.
Fukushima Shinichi
Kurashige Masafumi
Nakao Ayumi
Frommer William S.
Sinderbrand Alvin
Sony Corporation
Zimmerman Mark K.
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