Depiction of images using inverse perspective transformation to

Details Depiction of images using inverse perspective transformation to Depiction of images using inverse perspective transformation to

1997-07-01

1999-08-03

Au, Amelia

Image analysis

Image transformation or preprocessing

382293, 40427, 345139, G06T 1520

Patent

active

059335440

ABSTRACT:
An image, eg of an advertising or promotional nature, is depicted in an inverse perspective form on a playing field (10) for a sporting event. The playing field is imaged by means of a video camera (12) whose line of sight (14) corresponds to the line of sight used in transforming the image to its inverse perspective form, and the output of the camera then broadcast or diffused in a television broadcasting or diffusion service.

REFERENCES:
patent: 3631619 (1972-01-01), Campbell et al.
patent: 4343637 (1982-08-01), Bolton
patent: 4667236 (1987-05-01), Dresdner
patent: 4841292 (1989-06-01), Zeno
patent: 4956706 (1990-09-01), Ohba
patent: 5283859 (1994-02-01), Quarendon et al.
Foley et al, "Computer Graphics . . . " 1990 pp. 657-660.
Article entitled "Fun-Fair Illusions" in Time Magazine, dated Oct. 4, 1976, pp. 42 and 43.

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