Title:
REGISTRATION-AMOUNT CALCULATION DEVICE
Document Type and Number:
Japanese Patent JP2017161664
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To achieve a method and device that can calculate an amount of registration with high accuracy even when affected by disclination and the like.SOLUTION: A registration calculation device, which calculates an amount of registration of a display device using a two-dimensional imaging device, includes: linear region detection means that has a display function displaying an identification image by any function of the registration calculation device and the display device, and a function causing a pixel to laterally and vertically move in a pixel unit, photographs a picture displayed from the display function by an imaging device, and detects a portion forming a straight line from photographing; linear cross-section image calculation means that calculates a cross section in a linear region from a plurality of linear information detected by the linear region detection means; and registration calculation means that calculates an amount of registration from a plurality of linear cross section images obtained from the linear cross section image calculation means.SELECTED DRAWING: Figure 1
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Inventors:
YANAGI MICHIHISA
Application Number:
JP2016045064A
Publication Date:
September 14, 2017
Filing Date:
March 09, 2016
Export Citation:
Assignee:
CANON KK
International Classes:
G03B21/14; G03B21/00; H04N9/28
Attorney, Agent or Firm:
Yukio Takanashi
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