Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
映像表示システムおよびその方法
Document Type and Number:
Japanese Patent JP4162398
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a video display system for transmitting video data and displaying the data that divides a display area into a plurality of small areas, displays the video image on each small area and suppresses the quantity of the video data. SOLUTION: Transmission video data in an area close to a visual point are resampled with a high resolution and transmission video data in an area apart from the visual point are resampled at a low resolution on the basis of sight line vector information denoting a visual point position and a sight line vector of a subject and the result is transmitted so as to reduce the information quantity of the transmission video data with a high transmission efficiency. In the production of the transmission video data, the image resolution of each display area, color resolution, temporal resolution, and/or a data compression method can be decided on the basis of the visual point position of the subject, a distance up to each display area, the visual point position and a sight line direction.

Inventors:
Hitoshi Imai
Toshio Moriya
Tsuyoshi Minagawa
Haruo Takeda
Application Number:
JP2001353785A
Publication Date:
October 08, 2008
Filing Date:
November 19, 2001
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
株式会社日立製作所
International Classes:
H04N7/173; G06F3/00; G06F3/048; G06T3/40; H04N19/00; H04N19/103; H04N19/132; H04N19/134; H04N19/136; H04N19/162; H04N19/176; H04N19/625; H04N21/2343; H04N21/442
Domestic Patent References:
JP9186991A
JP2001184044A
JP4293375A
JP9009253A
JP7288806A
JP2000078514A
JP2100488A
Attorney, Agent or Firm:
Yasuo Yajima