CA2364888A1 - A method and system for complete 3d object and area digitizing - Google Patents
A method and system for complete 3d object and area digitizing Download PDFInfo
- Publication number
- CA2364888A1 CA2364888A1 CA002364888A CA2364888A CA2364888A1 CA 2364888 A1 CA2364888 A1 CA 2364888A1 CA 002364888 A CA002364888 A CA 002364888A CA 2364888 A CA2364888 A CA 2364888A CA 2364888 A1 CA2364888 A1 CA 2364888A1
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- CA
- Canada
- Prior art keywords
- data acquisition
- data
- lasers
- camera
- digital images
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- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/245—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using a plurality of fixed, simultaneously operating transducers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C7/00—Tracing profiles
- G01C7/06—Tracing profiles of cavities, e.g. tunnels
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/16—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using electromagnetic waves other than radio waves
- G01S5/163—Determination of attitude
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Graphics (AREA)
- Geometry (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Image Input (AREA)
Abstract
A method for generating a three-dimensional data model of a surface comprising the steps of selecting data parameters for the three-dimensional data model;
configuring a data acquisition system corresponding to the data parameters, wherein the data acquisition system comprises a data acquisition apparatus and a data acquisition computer system; scanning the surface with the data acquisition system to obtain digital images of the surface and position data for determining three-dimensional coordinates of the surface; determining the three-dimensional coordinates of the surface from the position data and the digital images; associating the digital images with the three-dimensional coordinates to produce the three-dimensional data model; and, storing the three-dimensional data model in the data acquisition system.
configuring a data acquisition system corresponding to the data parameters, wherein the data acquisition system comprises a data acquisition apparatus and a data acquisition computer system; scanning the surface with the data acquisition system to obtain digital images of the surface and position data for determining three-dimensional coordinates of the surface; determining the three-dimensional coordinates of the surface from the position data and the digital images; associating the digital images with the three-dimensional coordinates to produce the three-dimensional data model; and, storing the three-dimensional data model in the data acquisition system.
Claims (13)
1. A data acquisition apparatus for scanning a surface to record digital images thereof and to record data for determining three-dimensional coordinates thereof, said apparatus comprising:
at least one camera for recording said digital images of said surface, said camera having an optical axis;
at least two lasers for marking points in said digital images for determining said three dimensional coordinates of said surface, said lasers having optical axes, said optical axes of said camera and said lasers being essentially parallel;
an essentially horizontal rail for mounting said camera and said lasers, said camera being mounted between said lasers, and said rail having means for horizontally shifting said camera and said lasers along said rail;
at least one essentially vertical post attached to said rail by means for rotating and horizontally shifting said rail, said post having means for vertically shifting said rail;
at least one moveable platform for mounting said posts and for positioning said camera and said lasers proximate to said surface; and, data acquisition equipment for adjusting said platforms, said posts, said rail, said camera, and said lasers; for recording position data for said platforms, said posts, said rail, said camera, and said lasers; and, for recording said digital images.
at least one camera for recording said digital images of said surface, said camera having an optical axis;
at least two lasers for marking points in said digital images for determining said three dimensional coordinates of said surface, said lasers having optical axes, said optical axes of said camera and said lasers being essentially parallel;
an essentially horizontal rail for mounting said camera and said lasers, said camera being mounted between said lasers, and said rail having means for horizontally shifting said camera and said lasers along said rail;
at least one essentially vertical post attached to said rail by means for rotating and horizontally shifting said rail, said post having means for vertically shifting said rail;
at least one moveable platform for mounting said posts and for positioning said camera and said lasers proximate to said surface; and, data acquisition equipment for adjusting said platforms, said posts, said rail, said camera, and said lasers; for recording position data for said platforms, said posts, said rail, said camera, and said lasers; and, for recording said digital images.
2. The apparatus of claim 1 wherein said surface is selected from the group comprising an object, an area, a room, a building, an indoor area, and an outdoor area.
3. The apparatus of claim 1 wherein said surface is variable in size.
4. A data acquisition system for generating a three-dimensional data model of a surface, said system comprising:
a data acquisition apparatus for scanning said surface to record digital images thereof and to record data for determining three-dimensional coordinates thereof, said data acquisition apparatus comprising:
at least one camera for recording said digital images of said surface, said camera having an optical axis; at least two lasers for marking points in said digital images for determining said three-dimensional coordinates of said surface, said lasers having optical axes, said optical axes of said camera and said lasers being essentially parallel;
an essentially horizontal rail for mounting said camera and said lasers, said camera being mounted between said lasers, and said rail having means for horizontally shifting said camera and said lasers along said rail;
at least one essentially vertical post attached to said rail by means for rotating and horizontally shifting said rail, said post having means for vertically shifting said rail;
at least one moveable platform for mounting said posts and for positioning said camera and said lasers proximate to said surface; and, data acquisition equipment for adjusting said platforms, said posts, said rail, said camera, and said lasers; for recording position data for said platforms, said posts, said rail, said camera, and said lasers; and, for recording said digital images; and, a data acquisition computer system in communication with said data acquisition apparatus, said data acquisition computer system comprising:
means for adjusting said data acquisition apparatus in accordance with user instructions;
means for receiving said position data and said digital images from said data acquisition apparatus;
means for determining three-dimensional coordinates of said surface from said position data and said digital images;
means for associating said digital images with said three-dimensional coordinates to produce said three-dimensional data model;
memory for storing said position data, said digital images, said three-dimensional coordinates, and said three-dimensional data model;
a display for presenting said three-dimensional data model to said user;
and, an input device for accepting user instructions from said user for adjusting said data acquisition apparatus.
a data acquisition apparatus for scanning said surface to record digital images thereof and to record data for determining three-dimensional coordinates thereof, said data acquisition apparatus comprising:
at least one camera for recording said digital images of said surface, said camera having an optical axis; at least two lasers for marking points in said digital images for determining said three-dimensional coordinates of said surface, said lasers having optical axes, said optical axes of said camera and said lasers being essentially parallel;
an essentially horizontal rail for mounting said camera and said lasers, said camera being mounted between said lasers, and said rail having means for horizontally shifting said camera and said lasers along said rail;
at least one essentially vertical post attached to said rail by means for rotating and horizontally shifting said rail, said post having means for vertically shifting said rail;
at least one moveable platform for mounting said posts and for positioning said camera and said lasers proximate to said surface; and, data acquisition equipment for adjusting said platforms, said posts, said rail, said camera, and said lasers; for recording position data for said platforms, said posts, said rail, said camera, and said lasers; and, for recording said digital images; and, a data acquisition computer system in communication with said data acquisition apparatus, said data acquisition computer system comprising:
means for adjusting said data acquisition apparatus in accordance with user instructions;
means for receiving said position data and said digital images from said data acquisition apparatus;
means for determining three-dimensional coordinates of said surface from said position data and said digital images;
means for associating said digital images with said three-dimensional coordinates to produce said three-dimensional data model;
memory for storing said position data, said digital images, said three-dimensional coordinates, and said three-dimensional data model;
a display for presenting said three-dimensional data model to said user;
and, an input device for accepting user instructions from said user for adjusting said data acquisition apparatus.
5. The data acquisition system of claim 4 and further comprising a post-processing computer system for formatting said three-dimensional data model for export to an external application.
6. The data acquisition system of claim 4 wherein said data acquisition computer system includes a master node controlling a network of parallel computer slave nodes.
7. The data acquisition system of claim 6 wherein said network of parallel computer slave nodes has a configuration selected from the group comprising a cube, a hyper-cube, a mesh, and a layered web.
8. The data acquisition system of claim 4 wherein said user instructions include predetermined data parameters for said three-dimensional data model.
9. The data acquisition system of claim 8 wherein said predetermined data parameters are selected from the group comprising area mode, objet mode, size of area, size of object, resolution, accuracy, and detail.
10. A method of generating a three-dimensional data model of a surface, said method comprising the steps of:
a) selecting data parameters for said three-dimensional data model;
b) configuring a data acquisition system corresponding to said data parameters, wherein said data acquisition system comprises a data acquisition apparatus and a data acquisition computer system;
c) scanning said surface with said data acquisition system to obtain digital images of said surface and position data for determining three-dimensional coordinates of said surface;
d) determining said three-dimensional coordinates of said surface from said position data and said digital images;
e) associating said digital images with said three-dimensional coordinates to produce said three-dimensional data model; and, f) storing said three-dimensional data model in said data acquisition system.
a) selecting data parameters for said three-dimensional data model;
b) configuring a data acquisition system corresponding to said data parameters, wherein said data acquisition system comprises a data acquisition apparatus and a data acquisition computer system;
c) scanning said surface with said data acquisition system to obtain digital images of said surface and position data for determining three-dimensional coordinates of said surface;
d) determining said three-dimensional coordinates of said surface from said position data and said digital images;
e) associating said digital images with said three-dimensional coordinates to produce said three-dimensional data model; and, f) storing said three-dimensional data model in said data acquisition system.
11. The method of claim 10 and further comprising the steps of:
a) transferring said three-dimensional data model to a post-processing computer system;
b) providing said post-processing computer system with formatting parameters of an external application for said three-dimensional data model;
c) formatting said three-dimensional data model in accordance with said formatting parameters to produce a formatted three-dimensional data model;
d) storing said formatted three-dimensional data model in said post-processing computer system; and, e) exporting said formatted three-dimensional data model from said post-processing computer system to said external application.
a) transferring said three-dimensional data model to a post-processing computer system;
b) providing said post-processing computer system with formatting parameters of an external application for said three-dimensional data model;
c) formatting said three-dimensional data model in accordance with said formatting parameters to produce a formatted three-dimensional data model;
d) storing said formatted three-dimensional data model in said post-processing computer system; and, e) exporting said formatted three-dimensional data model from said post-processing computer system to said external application.
12. The method of claim 10 wherein said step of configuring said data acquisition system further comprising the steps of:
a) calibrating said data acquisition apparatus.
a) calibrating said data acquisition apparatus.
13. The method of claim 10 wherein said step of scanning said surface further comprising the steps of:
a) establishing a survey grid proximate to said surface in accordance with said data parameters, wherein said survey grid includes a plurality of survey grid cells;
b) locating said data acquisition apparatus on a first survey grid cell within said survey grid;
c) recording said position data and said digital images for a plurality of adjustments of said data acquisition apparatus, wherein said adjustments are in accordance with said data parameters; and, d) repeating said steps of locating said data acquisition apparatus and recording said position data and said digital images for a second and remaining survey grid cells within said survey grid.
a) establishing a survey grid proximate to said surface in accordance with said data parameters, wherein said survey grid includes a plurality of survey grid cells;
b) locating said data acquisition apparatus on a first survey grid cell within said survey grid;
c) recording said position data and said digital images for a plurality of adjustments of said data acquisition apparatus, wherein said adjustments are in accordance with said data parameters; and, d) repeating said steps of locating said data acquisition apparatus and recording said position data and said digital images for a second and remaining survey grid cells within said survey grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2364888A CA2364888C (en) | 2000-12-07 | 2001-12-07 | A method and system for complete 3d object and area digitizing |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2,327,894 | 2000-12-07 | ||
| CA002327894A CA2327894A1 (en) | 2000-12-07 | 2000-12-07 | Method and system for complete 3d object and area digitizing |
| CA2364888A CA2364888C (en) | 2000-12-07 | 2001-12-07 | A method and system for complete 3d object and area digitizing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2364888A1 true CA2364888A1 (en) | 2002-06-07 |
| CA2364888C CA2364888C (en) | 2010-09-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2364888A Expired - Fee Related CA2364888C (en) | 2000-12-07 | 2001-12-07 | A method and system for complete 3d object and area digitizing |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2364888C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113100754A (en) * | 2020-01-21 | 2021-07-13 | 天目爱视（北京）科技有限公司 | 3D information acquisition measuring equipment |
| CN114674252A (en) * | 2022-03-30 | 2022-06-28 | 河源市中启辰精密电子科技有限公司 | Flatness detection system and method for tablet personal computer protection middle frame |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200292297A1 (en) * | 2019-03-15 | 2020-09-17 | Faro Technologies, Inc. | Three-dimensional measurement device |
-
2001
- 2001-12-07 CA CA2364888A patent/CA2364888C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113100754A (en) * | 2020-01-21 | 2021-07-13 | 天目爱视（北京）科技有限公司 | 3D information acquisition measuring equipment |
| CN113100754B (en) * | 2020-01-21 | 2023-02-03 | 天目爱视（北京）科技有限公司 | 3D information acquisition measuring equipment |
| CN114674252A (en) * | 2022-03-30 | 2022-06-28 | 河源市中启辰精密电子科技有限公司 | Flatness detection system and method for tablet personal computer protection middle frame |
| CN114674252B (en) * | 2022-03-30 | 2024-04-19 | 河源市中启辰精密电子科技有限公司 | Flatness detection system and method for protective middle frame of tablet personal computer |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2364888C (en) | 2010-09-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20151207 |
|
| MKLA | Lapsed |
Effective date: 20151207 |