JP2020096254A5

JP2020096254A5 -

Info

Publication number: JP2020096254A5
Application number: JP2018231826A
Authority: JP
Filing date: 2018-12-11
Publication date: 2022-01-04
Anticipated expiration: 2038-12-11

Description

本発明は、マーカが配置された対象物を計測する際の幾何条件を設定する設定手段と、前記対象物を撮像手段を用いて撮像して得られる画像データを取得する取得手段と、前記画像データを基に、前記対象物に配置された前記マーカの輪郭を抽出する抽出手段と、前記画像データと前記設定された幾何条件とを基に、前記撮像手段の移動方向をガイドするためのガイドマーカを算出する算出手段と、前記抽出されたマーカの輪郭と前記算出されたガイドマーカとを表示手段に表示させる表示制御手段と、を有することを特徴とする。 The present invention includes setting means for setting the geometric conditions for measuring the object marker is placed, an acquiring unit that acquires image data obtained by imaging with the imaging unit said object, said image data based on an extraction means for extracting a contour of said marker is placed on the object, based on the geometric conditions and the image data is the set, for guiding the movement direction of said image pickup means a calculating means for calculating a guide marker, and having a display control means for displaying on the display means and the calculated guide marker and contour of the extracted issued a M a mosquito.

Claims

A setting means for setting geometric conditions when measuring an object on which a marker is placed, and
An acquisition unit for acquiring image data obtained by imaging the object using an imaging means,
Based on the image data, an extraction means for extracting a contour of said marker is placed on the object,
A calculation means for calculating a guide marker for guiding the moving direction of the image pickup means based on the image data and the set geometric condition, and a calculation means.
Display control means for displaying the said extracted out the M a Ca contour and the calculated guide marker on the display means,
An image processing apparatus characterized by having.

The setting means is
A means for setting the measurement target point of the marker and
As the geometric condition, a means for setting an azimuth angle and an elevation angle toward which the optical axis of the image pickup means faces, and a means for setting the elevation angle.
The image processing apparatus according to claim 1, wherein the image processing apparatus is characterized by the above.

The image processing apparatus according to claim 2, wherein the setting means further includes means for setting an allowable range of the geometric conditions.

Wherein the display control unit, a measurement object point of the marker, and the contour of the extracted issued a M a mosquito, and the calculated guide marker, Ru is superimposed displays more images imaged in the imaging means The image processing apparatus according to claim 2.

Wherein the display control unit, a measurement object point of the marker, and the contour of the extracted issued a M a mosquito, a guide marker the calculated, and a contour representing the allowable range, more captured in the imaging device the image processing apparatus according to claim 3, characterized in Rukoto to this image as superimposed display.

The calculation means is
Based on the image data, and means for calculating the normal to the marker, which is placed on the object,
A means for calculating the guide marker based on the normal and the set geometric condition, and
The image processing apparatus according to any one of claims 1 to 5, wherein the image processing apparatus has.

The marker is placed on the object, a plurality of points patterns are formed and a ID code region of the marker,
The sixth aspect of claim 6 is characterized in that the calculation means calculates coordinate values based on the positions of the plurality of point patterns in the image data, and calculates the normal based on the calculated coordinate values. Image processing device.

The image processing apparatus according to claim 7, wherein the calculation means acquires the shape of a polygon based on the calculated coordinate values.

The calculation means is
A plurality of coordinate values calculated position based on the previous SL multiple points patterns, sorted based on the defined coordinate values,
The image processing apparatus according to claim 8, wherein the shape of the polygon is calculated based on the plurality of coordinate values after the sorting.

The calculation means is characterized in that it calculates the normal of the polygon having the calculated shape and acquires the position and orientation of the image pickup means with respect to the plane of the polygon based on the normal of the polygon. 9. The image processing apparatus according to 9.

A reception means that accepts instructions from the user to set geometric conditions when imaging an object, and
It has a display means for displaying a live view image by superimposing a guide marker for guiding the moving direction of the image pickup means for imaging the object.
A display device characterized in that the shape of the guide marker changes according to the instruction and the position and orientation of the image pickup means.

An image processing method executed by an image processing device.
The setting process to set the geometric conditions when measuring the object on which the marker is placed, and
An acquisition step of acquiring image data obtained by imaging the object using an imaging means, and
An extraction step of extracting the contour of the marker placed on the object based on the image data, and an extraction step.
A calculation step of calculating a guide marker for guiding the moving direction of the image pickup means based on the image data and the set geometric condition, and a calculation step.
A display control step of displaying the outline of the extracted marker and the calculated guide marker on the display means, and
An image processing method characterized by having.

A program for operating a computer as the image processing device according to any one of claims 1 to 10.