Title:
CAMERA EVALUATION VALUE MEASURING DEVICE AND CAMERA EVALUATION VALUE MEASURING METHOD
Document Type and Number:
Japanese Patent JP2020025224
Kind Code:
A
Abstract:
To provide a camera evaluation value measuring device capable of unitarily evaluating the superiority or inferiority of a camera by measuring the SNR while keeping the MTF at a predetermined level.SOLUTION: A camera evaluation value measuring device 1 includes signal processing means 10 for adjusting the degree of modulation of a video signal on the basis of parameters, MTF measuring means 11 for measuring the MTF in the video signal whose modulation factor has been adjusted, parameter control means 113 for controlling the parameters such that the MTF value becomes a predetermined value, and SNR measuring means 12 for measuring the SNR in the video signal whose modulation degree has been adjusted by the signal processing means 10 by controlling the parameters.SELECTED DRAWING: Figure 1
More Like This:
Inventors:
HAYASHIDA TETSUYA
MASAOKA KENICHIRO
MASAOKA KENICHIRO
Application Number:
JP2018149417A
Publication Date:
February 13, 2020
Filing Date:
August 08, 2018
Export Citation:
Assignee:
JAPAN BROADCASTING CORP
International Classes:
H04N17/00; G01M11/02
Domestic Patent References:
| JP2018116039A | 2018-07-26 | |||
| JP2008256869A | 2008-10-23 | |||
| JP2001324413A | 2001-11-22 | |||
| JP2004295691A | 2004-10-21 |
Attorney, Agent or Firm:
Isono International Patent and Trademark Office