The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 14, 2000

Filed:

Jan. 20, 1999
Applicant:
Inventors:

Mitsuharu Ohki, Tokyo, JP;

Hidetoshi Nagano, Tokyo, JP;

Takashi Totsuka, Tokyo, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ;
U.S. Cl.
CPC ...
348584 ; 348591 ; 348592 ;
Abstract

The present invention relates to a picture generator and a picture generation method. In detail the picture generator provides a mobile photograph device acquires first video data by photographing a performer in front of a predetermined background, a camera parameter calculator acquires the viewpoint of the photograph device, a first video data generator generates second video data corresponding to the projected picture of a predetermined object to which perspective transformation in a case viewed from the viewpoint of the photographing device acquired in the camera parameter calculator is applied, a data delay device acquires third video data by delaying the first video data corresponding to the processing time of the camera parameter calculator and the first video data generator, a first video data synthesizer acquires first synthetic video data by synthesizing the third video data and the second video data, a second video data synthesizer acquires second synthetic video data by synthesizing the first video data and the second video data, and a picture display that displays a picture for assisting the performance of the performer based upon the second synthetic video data. Hereby, a picture for assisting the movement of the performer is hardly delayed and the performer can readily perform.


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