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Patent Searching and Data


Title:
CORRESPONDENT POINT RELIABILITY ESTIMATING DEVICE FOR IMAGE AND CORRESPONDENT POINT SEARCHING DEVICE
Document Type and Number:
Japanese Patent JP2001195596
Kind Code:
A
Abstract:

To provide a correspondent point reliability estimating device for image and a correspondent point searching device, with which the reliability in the evaluation and search of a correspondent point can be improved by solving the problem of conventional technology.

The estimating device for estimating the reliability of a correspondent point searched by correspondent point search for specifying the same point on a subject concerning images photographed from plural viewpoints by plural cameras, is provided with a correspondence delay circuit 1 for outputting the distribution of correspondence over one part of or all the search range of correspondent point search, a correspondence concentration degree calculating circuit 2 for calculating the concentration degree of correspondence from the distribution of correspondence and a multiplier 3 for multiplying the output of this correspondence concentration degree calculating circuit to the correspondence of the specified correspondent point and numerically outputting the reliability of that specified correspondent point and this searching device is provided with the components of this estimating device for the correspondent point search for specifying the same point on the subject concerning the images photographed from the plural viewpoints by the plural cameras and further provided with a maximum reliability value searching means for searching the maximum value of the reliability of the correspondent point outputted from the multiplier of the estimating device.


Inventors:
IMAIZUMI HIROYUKI
TADENUMA MAKOTO
KATAYAMA YOSHIKAZU
KANETSUGU YASUAKI
Application Number:
JP2000000007790
Publication Date:
July 19, 2001
Filing Date:
January 17, 2000
Export Citation:
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Assignee:
JAPAN BROADCASTING CORP
International Classes:
H04N5/262; G01B11/00; G06T7/60; H04N13/00; H04N13/02; H04N17/00; (IPC1-7): G06T7/60; G01B11/00; H04N17/00
Domestic Patent References:
JP2001153633A2001-06-08
JPH1047955A1998-02-20
JPH1040385A1998-02-13
JPH0973540A1997-03-18
JPH07129898A1995-05-19
JPS633388A1988-01-08
Attorney, Agent or Firm:
杉村 暁秀 (外2名)