JP2001153652A - On-site inspection method by image processing - Google Patents
On-site inspection method by image processingInfo
- Publication number
- JP2001153652A JP2001153652A JP34082199A JP34082199A JP2001153652A JP 2001153652 A JP2001153652 A JP 2001153652A JP 34082199 A JP34082199 A JP 34082199A JP 34082199 A JP34082199 A JP 34082199A JP 2001153652 A JP2001153652 A JP 2001153652A
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- Prior art keywords
- building
- design
- digital
- vertical line
- site
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007689 inspection Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000003384 imaging method Methods 0.000 claims abstract description 35
- 238000010276 construction Methods 0.000 claims description 22
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000007688 edging Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Image Processing (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、デジタルカメラ等
のデジタル撮像手段を介してコンピュータに取り込まれ
ると共に画像処理がなされた建築現場のデジタル画像に
基づいて、建物の施工精度を検査する画像処理による現
場検査方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to image processing for inspecting the construction accuracy of a building based on a digital image of a building site which has been taken into a computer via digital imaging means such as a digital camera and has been subjected to image processing. On-site inspection methods.
【０００２】[0002]
【従来の技術及び発明が解決しようとする課題】建物の
施工中の現場では、各工程の進捗により基礎、構造、内
外部造作、設備等の各種検査を行っている。このような
建物の検査は、一人から複数人の作業員が現場で移動し
ながらレベル、下げ振り、スチールテープ等の測量器具
を用いて建物の各部分や部材を測定し、その精度を目視
でチェックし、誤差が許容範囲内にあるか否かを確認す
ることにより行われるのが一般的である。2. Description of the Related Art Various inspections of a foundation, a structure, internal / external features, facilities, and the like are performed at a site where a building is being constructed according to the progress of each process. In such a building inspection, one or more workers move on-site while measuring the level, swinging down, measuring each part or member of the building using surveying instruments such as steel tape, and visually inspecting the accuracy. This is generally done by checking and checking if the error is within an acceptable range.
【０００３】一方、上述のような現場を移動しながら行
う作業員によるチェックでは、チェック箇所が多くなる
と多大の労力を要することになり、書き込みミス等の人
為的なミスや測定の個人差も生じることから、このよう
な現場検査の効率化を図るべく、デジタルカメラ等のデ
ジタル撮像手段を介してコンピュータに取り込んだ建物
のデジタル画像に基づいて、建物の施工精度を検査する
方法を採用することが考えられている。かかるデジタル
画像による現場検査方法は、撮像したデジタル画像をコ
ンピュータに取り込み、二値化処理、エッジング処理等
の公知の画像処理手段を用いて建物の検査対象部材の輪
郭線を明確にし、この画像処理がなされたデジタル画像
に基づいて、建物の施工精度を検査するものである。On the other hand, in the above-described checking performed by an operator while moving around the site, a great deal of labor is required when the number of check points increases, and human errors such as writing errors and individual differences in measurement also occur. Therefore, in order to improve the efficiency of such an on-site inspection, a method of inspecting the construction accuracy of a building based on a digital image of the building captured by a computer via digital imaging means such as a digital camera may be adopted. It is considered. Such an on-site inspection method using a digital image captures the captured digital image into a computer, clarifies the outline of the building inspection target member using a known image processing means such as a binarization process, an edging process, and performs this image processing. The construction accuracy of the building is inspected on the basis of the digital image obtained.
【０００４】デジタル画像に基づいて建物を精度良く検
査するには、デジタルカメラ等のデジタル撮像手段によ
る撮像位置を決めて、デジタル撮像手段と建物との相対
位置を正確に把握する必要があるが、従来の画像処理技
術では、このような相対位置の把握は困難である。In order to accurately inspect a building based on a digital image, it is necessary to determine an imaging position by digital imaging means such as a digital camera and to accurately grasp the relative position between the digital imaging means and the building. It is difficult to grasp such a relative position by the conventional image processing technology.
【０００５】本発明は、このような課題に着目してなさ
れたもので、建物に対するデジタル撮像手段の相対位置
を容易かつ正確に把握して、デジタル画像に基づく建物
の検査を精度良く行うことのできる画像処理による現場
検査方法を提供することを目的とするものである。SUMMARY OF THE INVENTION The present invention has been made in view of such a problem, and it is an object of the present invention to easily and accurately grasp a relative position of a digital image pickup means with respect to a building and to accurately inspect a building based on a digital image. It is an object of the present invention to provide a site inspection method by image processing that can be performed.
【０００６】[0006]
【課題を解決するための手段】本発明は、デジタルカメ
ラ等のデジタル撮像手段を介してコンピュータに取り込
まれると共に画像処理がなされた建築現場のデジタル画
像に基づいて、建物の施工精度を検査する現場検査方法
であって、絶対鉛直線を写し込みつつ前記デジタル撮像
手段によって前記建物を撮像し、該絶対鉛直線を前記デ
ジタル画像に表示し、表示された絶対鉛直線を基準線と
して演算計測して建物の施工精度を検査することを特徴
とする画像処理による現場検査方法を提供することによ
り、上記目的を達成したものである（請求項１記載の発
明）。SUMMARY OF THE INVENTION The present invention relates to a site for inspecting the construction accuracy of a building based on a digital image of the building site which is taken into a computer via a digital imaging means such as a digital camera and processed. In the inspection method, the building is imaged by the digital imaging means while the absolute vertical is projected, the absolute vertical is displayed on the digital image, and the displayed absolute vertical is calculated and measured as a reference line. The object has been achieved by providing an on-site inspection method by image processing, which is characterized by inspecting the construction accuracy of a building (the invention according to claim 1).
【０００７】また、本発明の現場検査方法は、前記絶対
鉛直線を、前記建築現場に鉛直に吊り下げられた下げ振
りを撮像することよって得るようにすることが好ましい
（請求項２記載の発明）。[0007] In the field inspection method of the present invention, it is preferable that the absolute vertical line is obtained by imaging a plumb bob suspended vertically on the building site. ).
【０００８】さらに、本発明の現場検査方法は、設計図
面に基づいて前記建物の設計図書を予めコンピュータに
より作成して取り込み、該設計図書に設けられた設計鉛
直線を前記絶対鉛直線と合致させつつ、該設計図書に前
記建築現場における建物のデジタル画像を重ね合わせる
ことにより、前記建物の施工精度を検査することが好ま
しい（請求項３記載の発明）。Further, according to the on-site inspection method of the present invention, a design document of the building is created in advance by a computer based on a design drawing and taken in, and a design vertical line provided in the design document is matched with the absolute vertical line. In addition, it is preferable to inspect the construction accuracy of the building by superimposing a digital image of the building at the building site on the design document (the invention according to claim 3).
【０００９】さらにまた、本発明の現場検査方法は、前
記デジタル撮像手段を、前記設計図書に設定された設計
撮像位置に対応させて前記建築現場に設置し、前記建築
現場における建物に設けた基準点に対する前記デジタル
撮像手段の相対位置を計測して、前記設計図書における
建物に設けた基準点に対する前記設計撮像位置の相対位
置の修正を行うことが好ましい（請求項４記載の発
明）。Still further, in the field inspection method according to the present invention, the digital imaging means is installed on the building site in correspondence with the design imaging position set in the design document, and a reference provided on a building at the building site is provided. It is preferable to measure the relative position of the digital imaging means with respect to a point and correct the relative position of the design imaging position with respect to a reference point provided in a building in the design book (the invention according to claim 4).
【００１０】[0010]
【発明の実施の形態】本発明の好ましい実施形態を添付
図面を参照しつつ詳細に説明する。本実施形態によれ
ば、例えば柱や梁等の建物の軸組構造の各部材の施工精
度を検査する際に、本発明の検査方法を採用したもので
ある。すなわち、本実施形態は、図１（ａ）及び（ｂ）
に示すように、デジタル撮像手段としてデジタルカメラ
１１を用いて軸組構造１０を撮像し、撮像したデジタル
画像をコンピュータに取り込み、二値化処理、エッジン
グ処理等の公知の画像処理を施して検査対象となる軸組
構造１０の検査対称部材の輪郭線を明確にし、この画像
処理がなされた軸組構造１０のデジタル画像に基づい
て、その施工精度を検査するものである。Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. According to the present embodiment, the inspection method of the present invention is employed when inspecting the construction accuracy of each member of the frame structure of a building such as a column or a beam. That is, the present embodiment is different from the embodiments shown in FIGS.
As shown in FIG. 1, an image of the frame structure 10 is taken using a digital camera 11 as a digital imaging means, and the taken digital image is taken into a computer, subjected to known image processing such as binarization processing, edging processing, and the like. The contour of the inspection symmetrical member of the frame structure 10 is clarified, and the construction accuracy is inspected based on the digital image of the frame structure 10 subjected to the image processing.
【００１１】そして、本実施形態によれば、例えば梁部
材の所定の位置から鉛直下方に吊り下げられた下げ振り
を絶対鉛直線として、この下げ振りを写し込みつつデジ
タルカメラ１１によって軸組構造１０を撮像し、撮像し
た下げ降りをコンピュータによるデジタル画像に表示
し、表示された下げ振りを基準線として演算計測して建
物の軸組構造１０の施工精度を検査する。According to the present embodiment, for example, a down swing suspended vertically downward from a predetermined position of a beam member is set as an absolute vertical line, and the down swing is photographed by the digital camera 11 while the down swing is photographed. Is imaged, the picked down is displayed on a digital image by a computer, and the displayed swing is calculated and measured as a reference line to inspect the construction accuracy of the frame structure 10 of the building.
【００１２】また、本実施形態によれば、設計図面に基
づいて軸組構造１０の設計図書を予めコンピュータによ
り作成して取り込み、この設計図書に設けられた設計鉛
直線を上記下げ振りによる絶対鉛直線と合致させつつ、
設計図書に軸組構造１０のデジタル画像を重ね合わせる
ことにより、軸組構造１０の施工精度を検査する。Further, according to this embodiment, a design document of the frame structure 10 is prepared in advance by a computer based on the design drawing, and is taken in. The design vertical line provided in the design document is converted into the absolute vertical While matching the line,
The construction accuracy of the frame structure 10 is inspected by superimposing the digital image of the frame structure 10 on the design document.
【００１３】ここで、設計図面から軸組構造１０の三次
設計図書をコンピュータにより作成するには、公知のＣ
ＡＤソフトを用いて、図２に示す以下の手順で行われ
る。すなわち、まず、設計図面に基づきＣＡＤソフトに
従って軸組構造１０の位置、寸法等をコンピュータに入
力して軸組構造１０のＣＡＤデータを作成する（ステッ
プ１）。Here, in order to create a tertiary design document of the frame structure 10 from a design drawing by a computer, a well-known C
It is performed by the following procedure shown in FIG. 2 using AD software. That is, first, CAD data of the frame structure 10 is created by inputting the position, dimensions, and the like of the frame structure 10 to a computer according to CAD software based on the design drawing (step 1).
【００１４】次に、作成したＣＡＤデータ上に基準点Ｐ
を設定し（ステップ２）、基準点Ｐからの所定距離Ｌ及
び所定高さＨを決定する（ステップ３）。これによっ
て、３次元設計図書における視点位置が決定される。Next, a reference point P is set on the created CAD data.
Is set (step 2), and a predetermined distance L and a predetermined height H from the reference point P are determined (step 3). Thus, the viewpoint position in the three-dimensional design book is determined.
【００１５】更に、ＣＡＤデータ上において、所定の柱
から数ｍｍ離れた位置に垂直線Ｖを、設計鉛直線として
描き加え（ステップ４）、基準点Ｐからの所定距離Ｌ及
び所定高さＨを基準として軸組構造１０の三次元設計図
書を作成する（ステップ５）。これによって、建築現場
で軸組構造１０を撮像する際のデジタルカメラ１１によ
る撮像位置Ｓが決定する。また、作成した軸組構造１０
の３次元画像のＣＡＤデータはフロッピーディスクに保
存される（ステップ６）。Further, on the CAD data, a vertical line V is drawn as a design vertical line at a position several mm away from a predetermined column as a design vertical line (step 4), and a predetermined distance L and a predetermined height H from the reference point P are determined. A three-dimensional design document of the frame structure 10 is created as a reference (step 5). Thereby, the imaging position S by the digital camera 11 when imaging the frame structure 10 at the construction site is determined. Also, the created frame structure 10
Is stored in a floppy disk (step 6).
【００１６】一方、デジタルカメラ１１によって撮像さ
れた軸組構造１０のデジタル画像に基づいて、建物の施
工精度を検査するには、二値化処理、エッジング処理等
の公知の画像処理手法を採用しつつ、図３に示す以下の
手順で行われる。すなわち、まず、上記ＣＡＤデータ上
において設定された、基準点Ｐに相当する基準点Ｐ’を
建築現場において軸組構造１０に設定する（ステップ
１’）。On the other hand, in order to inspect the construction accuracy of the building based on the digital image of the frame structure 10 captured by the digital camera 11, known image processing methods such as binarization processing and edging processing are employed. Meanwhile, the following procedure shown in FIG. 3 is performed. That is, first, a reference point P 'corresponding to the reference point P set on the CAD data is set in the frame structure 10 at the building site (step 1').
【００１７】次に、デジタルカメラ１１を、上記ＣＡＤ
データ上における撮像位置Ｓに相当する、基準点Ｐ’か
ら距離Ｌ，高さＨ離れた建築現場における撮像位置Ｓ’
にデジタルカメラ１１を設置し、デジタルカメラ１１に
よって軸組構造１０を撮像する（ステップ２’）。撮像
された軸組構造１０のデジタル画像は、フロッピーディ
スク等を介してコンピュータに取り込まれ、二値化処
理、エッジング処理等の画像処理が施されて軸組構造１
０の検査対象部材の輪郭線が明確にされる（ステップ
３’）。ここで、軸組構造１０には、ＣＡＤデータ上に
おける垂直線Ｈ1 に相当する位置に、下げ振りが鉛直下
方に向けて吊り下げられており、この下げ振りによる絶
対鉛直線Ｖ’もまた画像処理によって明確にされる。Next, the digital camera 11 is connected to the CAD
An imaging position S ′ at a building site that is a distance L and a height H away from the reference point P ′ and corresponds to the imaging position S on the data.
The digital camera 11 is installed in the camera, and the digital camera 11 images the frame structure 10 (step 2 '). The captured digital image of the frame structure 10 is taken into a computer via a floppy disk or the like, subjected to image processing such as binarization processing, edging processing, and the like.
The contour line of the inspection target member 0 is clarified (step 3 '). Here, in the frame structure 10, a down swing is suspended vertically downward at a position corresponding to the vertical line H1 on the CAD data, and the absolute vertical line V 'due to the down swing is also subjected to image processing. Clarified by
【００１８】また、デジタルカメラ１１と一体化された
レーザー測定器１２（図１参照）を用いて、撮像位置
Ｓ’から基準点Ｐ’への距離Ｂ及び水平角ＲY ，鉛直角
ＲZ が計測され、これらの計測結果に基づいて、コンピ
ュータによって建築現場における撮像位置Ｓ’の基準点
Ｐ’に対する実際の距離Ｌ1 及び高さＨ1 が計測される
（ステップ４’）。The distance B from the imaging position S 'to the reference point P', the horizontal angle RY, and the vertical angle RZ are measured by using a laser measuring device 12 (see FIG. 1) integrated with the digital camera 11. Based on these measurement results, the computer measures the actual distance L1 and height H1 of the imaging position S 'at the construction site with respect to the reference point P' (step 4 ').
【００１９】次に、フロッピーディスクを介して別途作
成した上記軸組構造１０のＣＡＤデータ（三次元設計図
書）をコンピュータに取り込んで、この画像を再現し
（ステップ５’）、距離の誤差Ｌ−Ｌ1 ，高さの誤差Ｈ
−Ｈ1 ，計測した水平角ＲY ，鉛直角ＲZ を入力してＣ
ＡＤデータ上における撮像位置Ｓの修正を行う（ステッ
プ６’）。すなわち、デジタルカメラ１１を、三次元設
計図書に設定された設計撮像位置Ｓに対応させて建築現
場に設置し、建築現場における軸組構造１０に設けた基
準点Ｐ’に対するデジタルカメラ１１の撮像位置Ｓ’の
実際の相対位置を計測して、三次元設計図書における軸
組構造１０に設けた基準点Ｐ’に対する設計撮像位置
Ｓ’の相対位置の修正を行う。Next, CAD data (three-dimensional design documents) of the frame structure 10 separately created via a floppy disk is taken into a computer, and this image is reproduced (step 5 '). L1, height error H
-H1, the measured horizontal angle RY, and the vertical angle RZ
The imaging position S on the AD data is corrected (step 6 '). That is, the digital camera 11 is installed at the construction site in correspondence with the design imaging position S set in the three-dimensional design book, and the imaging position of the digital camera 11 with respect to the reference point P ′ provided on the frame structure 10 at the construction site The actual relative position of S ′ is measured, and the relative position of the design imaging position S ′ with respect to the reference point P ′ provided on the frame structure 10 in the three-dimensional design book is corrected.
【００２０】そして、修正された撮像位置ＳからのＣＡ
Ｄデータによる三次元設計図書と、画像処理を施された
軸組構造１０のデジタル画像とをコンピュータ上で重ね
合わせて、軸組構造１０の検査対象部材の現場検査を行
う（ステップ７’）。すなわち、ＣＡＤデータ上におけ
る垂直線Ｖと、デジタル画像における下げ振りによる絶
対鉛直線Ｖ’とを合致させてこれらを重ね合わせること
により（ステップ８’）、これらは鉛直方向及び水平方
向に精度良く重ね合わされることになり、これらのデー
タのズレをコンピュータ上における演算処理によって計
測して、デジタル画像に基づく軸組構造１０の検査を精
度良く行うことが可能になる（ステップ９’）。The CA from the corrected imaging position S
A three-dimensional design document based on the D data and a digital image of the frame structure 10 subjected to image processing are superimposed on a computer, and a field inspection of the inspection target member of the frame structure 10 is performed (step 7 '). That is, by aligning the vertical line V on the CAD data with the absolute vertical line V ′ due to the downward swing in the digital image and superimposing them (Step 8 ′), they are accurately superimposed in the vertical and horizontal directions. As a result, the deviation of these data is measured by arithmetic processing on a computer, and the inspection of the frame structure 10 based on the digital image can be performed with high accuracy (step 9 ').
【００２１】また、これらのデジタル画像や誤差の検査
結果は、データとしてコンピュータに保存しておくこと
により（ステッ１０’）、適宜再確認することが可能に
なる。By storing these digital images and the inspection results of errors in a computer as data (step 10 '), it is possible to reconfirm the results as needed.
【００２２】すなわち、本実施形態によれば、デジタル
画像を得るべくデジタルカメラ１１により軸組構造１０
を撮像する際に、下げ振りによる絶対鉛直線Ｖ’を共に
撮像するので、軸組構造１０に対するデジタルカメラ１
１の相対位置を正確に把握して、デジタル画像に基づく
軸組構造１０の検査を精度良く行うことが可能になる。That is, according to the present embodiment, in order to obtain a digital image, the digital camera 11 uses the framing structure 10.
When the camera is imaged, the absolute vertical line V ′ due to the downward swing is also imaged.
It is possible to accurately grasp the relative position of No. 1 and accurately inspect the frame structure 10 based on the digital image.
【００２３】また、作業員が現場を移動することなく、
重ね合わせた画像により多数の測定位置をコンピュータ
の画面上で測定できるので、測定にかける労力や時間を
大幅に削減することができると共に、人為的ミスも回避
することが容易になる。Also, without the worker moving on the site,
Since a large number of measurement positions can be measured on the computer screen by the superimposed images, labor and time required for the measurement can be significantly reduced, and human errors can be easily avoided.
【００２４】なお、本発明は、上記実施形態に限定され
ることなく種々の変更が可能である。例えば、絶対鉛直
線は、下げ振りを撮像することよってデジタル画像に写
し込む必要は必ずしもなく、デジタル撮像手段のレンズ
内に鉛直線を示すレクチルを設け、このレクチルによる
鉛直線をデジタル画像に写し込むようにしても良い。ま
た、本発明の現場検査方法は、必ずしも設計図面に基づ
いて作成したＣＡＤデータによる設計図書をデジタル画
像に重ね合わせる必要は必ずしもなく、写し込んだ絶対
鉛直線からの距離等を直接計測して、建物の施工精度を
検査することもできる。さらに、本発明は、軸組構造の
みならず、建物の基礎や、外壁材等についても同様の方
法で施工精度を検査することができる。The present invention can be variously modified without being limited to the above embodiment. For example, it is not always necessary to capture the absolute vertical line in a digital image by imaging a downward swing. You may do it. In addition, the on-site inspection method of the present invention does not necessarily require that a design document based on CAD data created based on a design drawing be superimposed on a digital image, and directly measures a distance or the like from a copied absolute vertical line, The construction accuracy of the building can be inspected. Further, according to the present invention, not only the frame structure but also the foundation of the building, the outer wall material and the like can be inspected for the construction accuracy by the same method.
【００２５】[0025]
【発明の効果】以上詳細に説明したように、本発明の画
像処理による現場検査方法によれば、建物に対するジタ
ル撮像手段の相対位置を正確に把握して、デジタル画像
に基づく建物の検査を精度良く行うことができる。As described above in detail, according to the on-site inspection method using image processing of the present invention, the relative position of the digital imaging means with respect to the building is accurately grasped, and the inspection of the building based on the digital image is performed with high accuracy. Can do well.
【図１】本発明の一実施形態に係る現場検査方法を説明
する、（ａ）は略示側面図、（ｂ）は略示上面図であ
る。1A and 1B are schematic side views and a schematic top view, respectively, for explaining an on-site inspection method according to an embodiment of the present invention.
【図２】設計図面からＣＡＤソフトを用いて建物の設計
図書を作成する手順を説明するフローチャートである。FIG. 2 is a flowchart illustrating a procedure for creating a building design book from a design drawing using CAD software.
【図３】デジタルカメラによって撮像されたデジタル画
像に基づいて、建物の施工精度を検査する手順を説明す
るフローチャートである。FIG. 3 is a flowchart illustrating a procedure for inspecting the construction accuracy of a building based on a digital image captured by a digital camera.
１０ 軸組構造（建物） １１ デジタルカメラ（デジタル撮像手段） １２ レーザー測定器 Reference Signs List 10 Frame structure (building) 11 Digital camera (digital imaging means) 12 Laser measuring instrument
Claims (4)
介してコンピュータに取り込まれると共に画像処理がな
された建築現場のデジタル画像に基づいて、建物の施工
精度を検査する現場検査方法であって、 絶対鉛直線を写し込みつつ前記デジタル撮像手段によっ
て前記建物を撮像し、該絶対鉛直線を前記デジタル画像
に表示し、表示された絶対鉛直線を基準線として演算計
測して建物の施工精度を検査することを特徴とする画像
処理による現場検査方法。1. An on-site inspection method for inspecting the construction accuracy of a building based on a digital image of a building site which has been taken into a computer via digital imaging means such as a digital camera and has been subjected to image processing. Imaging the building by the digital imaging means while projecting a line, displaying the absolute vertical line on the digital image, and calculating and measuring the displayed absolute vertical line as a reference line to inspect the construction accuracy of the building. Field inspection method by image processing characterized by the following.
に吊り下げられた下げ振りを撮像することよって得られ
ることを特徴とする請求項１に記載の画像処理による現
場検査方法。2. The on-site inspection method according to claim 1, wherein the absolute vertical line is obtained by capturing an image of a plumb bob suspended vertically on the construction site.
を予めコンピュータにより作成して取り込み、該設計図
書に設けられた設計鉛直線を前記絶対鉛直線と合致させ
つつ、該設計図書に前記建築現場における建物のデジタ
ル画像を重ね合わせることにより、前記建物の施工精度
を検査することを特徴とする請求項１又は２に記載の画
像処理による現場検査方法。3. A design document of the building is created in advance by a computer based on a design drawing and taken in, and the design vertical line provided in the design document is matched with the absolute vertical line, and the building document is written in the design document. The method according to claim 1 or 2, wherein the construction accuracy of the building is inspected by superimposing digital images of the building at the site.
に設定された設計撮像位置に対応させて前記建築現場に
設置し、前記建築現場における建物に設けた基準点に対
する前記デジタル撮像手段の相対位置を計測して、前記
設計図書における建物に設けた基準点に対する前記設計
撮像位置の相対位置の修正を行うことを特徴とする請求
項３に記載の画像処理による現場検査方法。4. The digital imaging means is installed at the building site in correspondence with a design imaging position set in the design book, and a relative position of the digital imaging means with respect to a reference point provided at a building at the building site 4. The field inspection method according to claim 3, wherein the position of the design imaging position is corrected relative to a reference point provided in the building in the design book.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34082199A JP4365963B2 (en) | 1999-11-30 | 1999-11-30 | Field inspection method by image processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34082199A JP4365963B2 (en) | 1999-11-30 | 1999-11-30 | Field inspection method by image processing |
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| Publication Number | Publication Date |
|---|---|
| JP2001153652A true JP2001153652A (en) | 2001-06-08 |
| JP4365963B2 JP4365963B2 (en) | 2009-11-18 |
Family
ID=18340616
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34082199A Expired - Fee Related JP4365963B2 (en) | 1999-11-30 | 1999-11-30 | Field inspection method by image processing |
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| Country | Link |
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| JP (1) | JP4365963B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004044528A1 (en) * | 2002-11-13 | 2004-05-27 | Kabushiki Kaisha Topcon | Surveying instrument and electronic storage medium |
| KR100458290B1 (en) * | 2001-12-27 | 2004-12-03 | 고속도로관리공단 | Method for Measuring Displacement of Structural Members |
| JP2005327170A (en) * | 2004-05-17 | 2005-11-24 | Shimizu Corp | Quality check system in construction site |
| JP2019100979A (en) * | 2017-12-07 | 2019-06-24 | 前田建設工業株式会社 | Position adjustment method for structure constitution member |
-
1999
- 1999-11-30 JP JP34082199A patent/JP4365963B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100458290B1 (en) * | 2001-12-27 | 2004-12-03 | 고속도로관리공단 | Method for Measuring Displacement of Structural Members |
| WO2004044528A1 (en) * | 2002-11-13 | 2004-05-27 | Kabushiki Kaisha Topcon | Surveying instrument and electronic storage medium |
| US7319511B2 (en) | 2002-11-13 | 2008-01-15 | Kabushiki Kaisha Topcon | Surveying instrument and electronic storage medium |
| JP2005327170A (en) * | 2004-05-17 | 2005-11-24 | Shimizu Corp | Quality check system in construction site |
| JP2019100979A (en) * | 2017-12-07 | 2019-06-24 | 前田建設工業株式会社 | Position adjustment method for structure constitution member |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4365963B2 (en) | 2009-11-18 |
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