Title:
PROJECTION DEVICE, IMAGE PROCESSING APPARATUS, AND CONTROL METHOD THEREOF
Document Type and Number:
Japanese Patent JP2015161748
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a projection device configured to record video image projected on a screen and added information, in association with each other properly, even when the video image is changed while the added information remains on the screen.SOLUTION: A projection device for projecting video data includes: detection means S303 which detects additional information, which is added on a screen in addition to the video data projected on the screen, from image data obtained by imaging means which images the screen; recording means S306 which records the additional information detected by the detection means S303 and the video data projected on the screen when the additional information is detected, in association with each other; and control means which causes the imaging means to image the screen and the detection means S303 to detect the additional information when the video data projected on the screen is changed, and controls the detected additional information and the video data projected on the screen when the additional information is detected, to be recorded in association with each other.
Inventors:
KADOTA KAZUHIRO
Application Number:
JP2014035993A
Publication Date:
September 07, 2015
Filing Date:
February 26, 2014
Export Citation:
Assignee:
CANON KK
International Classes:
G09G5/00; G03B21/00; G09G5/377; H04N5/74
Domestic Patent References:
| JP2005114996A | 2005-04-28 | |||
| JP2011033936A | 2011-02-17 | |||
| JP2011064777A | 2011-03-31 | |||
| JP2007249921A | 2007-09-27 | |||
| JP2011141600A | 2011-07-21 |
Attorney, Agent or Firm:
Yasunori Otsuka
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Nagakawa Yukimitsu
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Nagakawa Yukimitsu