WO2020168685A1 - 一种三维扫描视点规划方法、装置及计算机可读存储介质 - Google Patents
一种三维扫描视点规划方法、装置及计算机可读存储介质 Download PDFInfo
- Publication number
- WO2020168685A1 WO2020168685A1 PCT/CN2019/097952 CN2019097952W WO2020168685A1 WO 2020168685 A1 WO2020168685 A1 WO 2020168685A1 CN 2019097952 W CN2019097952 W CN 2019097952W WO 2020168685 A1 WO2020168685 A1 WO 2020168685A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- point cloud
- viewpoint
- low
- digital model
- viewpoint planning
- 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.)
- Ceased
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T19/00—Manipulating three-dimensional [3D] models or images for computer graphics
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—Three-dimensional [3D] image rendering
- G06T15/10—Geometric effects
- G06T15/20—Perspective computation
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three-dimensional [3D] modelling for computer graphics
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T19/00—Manipulating three-dimensional [3D] models or images for computer graphics
- G06T19/003—Navigation within 3D models or images
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/70—Determining position or orientation of objects or cameras
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/80—Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration
- G06T7/85—Stereo camera calibration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/204—Image signal generators using stereoscopic image cameras
- H04N13/207—Image signal generators using stereoscopic image cameras using a single two-dimensional [2D] image sensor
- H04N13/221—Image signal generators using stereoscopic image cameras using a single two-dimensional [2D] image sensor using the relative movement between cameras and objects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/275—Image signal generators from three-dimensional [3D] object models, e.g. computer-generated stereoscopic image signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/282—Image signal generators for generating image signals corresponding to three or more geometrical viewpoints, e.g. multi-view systems
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30244—Camera pose
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2210/00—Indexing scheme for image generation or computer graphics
- G06T2210/12—Bounding box
Definitions
- the present invention relates to the technical field of computer vision, in particular to a method, device and computer-readable storage medium for 3D scanning viewpoint planning.
- binocular stereo vision measurement is widely used in manufacturing fields such as automobiles, aviation, and aerospace due to its high measurement accuracy, fast measurement speed, and good adaptability.
- the single measurement range of the binocular stereo vision measurement system is the limited range in the common field of view of the left and right cameras. Therefore, when measuring complex parts, due to the limited field of view of the camera and the obstruction of the object under test, it usually requires more Secondary transformation of the pose relationship between the camera and the measured object, through multiple measurements and data splicing to obtain complete three-dimensional data of the part.
- the pose of the camera also known as the sensor
- it is usually achieved by the technician manually adjusting the pose of the camera.
- the main purpose of the embodiments of the present invention is to provide a 3D scanning viewpoint planning method, device, and computer-readable storage medium, which can at least solve the problem of accurate measurement caused by manually adjusting the camera pose when 3D scanning objects in the related art The problem of low performance and long measurement process.
- the first aspect of the embodiments of the present invention provides a method for 3D scanning viewpoint planning, which includes:
- the low-precision digital model is used to characterize the spatial information of the object to be scanned;
- the viewpoint information is determined as the target viewpoint set when the three-dimensional sensor scans the object to be scanned as a whole; the viewpoint information includes viewpoint position information and viewpoint direction information.
- a second aspect of the embodiments of the present invention provides a three-dimensional scanning viewpoint planning device, which includes:
- An acquisition module used to acquire a low-precision digital model of the object to be scanned; the low-precision digital model is used to characterize the spatial information of the object to be scanned;
- the calculation module is configured to perform viewpoint planning calculations on the point cloud data on the low-precision digital model according to a preset viewpoint planning algorithm
- the determining module is used to determine all the calculated viewpoint information as the target viewpoint set when the three-dimensional sensor scans the object to be scanned when it is determined that the preset algorithm termination condition is met; the viewpoint information includes viewpoints Position information and viewpoint direction information.
- a third aspect of the embodiments of the present invention provides an electronic device, which includes: a processor, a memory, and a communication bus;
- the communication bus is used to implement connection and communication between the processor and the memory
- the processor is configured to execute one or more programs stored in the memory to implement the steps of any one of the above-mentioned three-dimensional scanning viewpoint planning methods.
- a fourth aspect of the embodiments of the present invention provides a computer-readable storage medium, the computer-readable storage medium stores one or more programs, and the one or more programs can be processed by one or more The device executes to implement the steps of any one of the above-mentioned three-dimensional scanning viewpoint planning methods.
- the viewpoint is performed on the point cloud data in the low-precision digital model based on the viewpoint planning algorithm Plan and calculate, and then respectively calculate the position and line of sight of multiple viewpoints in space when the three-dimensional sensor needs to perform three-dimensional scanning of the object to be scanned.
- Calculating the viewpoint of the 3D sensor through the viewpoint planning algorithm can effectively improve the accuracy and scientificity of the sensor pose determination, greatly improve the efficiency of viewpoint planning, and reduce the time consumption of the entire 3D measurement process.
- FIG. 1 is a schematic diagram of the basic flow of a three-dimensional scanning viewpoint planning method provided by the first embodiment of the present invention
- FIG. 2 is a schematic diagram of a low-precision digital model provided by the first embodiment of the present invention.
- FIG. 3 is a schematic diagram of the basic flow of the viewpoint planning algorithm provided by the first embodiment of the present invention.
- FIG. 4 is a schematic diagram of a point cloud normal vector on the surface of an object provided by the first embodiment of the present invention.
- FIG. 5 is a schematic diagram of matrix division provided by the first embodiment of the present invention.
- FIG. 8 is a schematic diagram of the construction of the minimum bounding box provided by the first embodiment of the present invention.
- FIG. 9 is a schematic structural diagram of a three-dimensional scanning viewpoint planning device provided by a second embodiment of the present invention.
- FIG. 10 is a schematic structural diagram of an electronic device provided by a third embodiment of the present invention.
- FIG. 1 is a schematic diagram of the basic flow of the 3D scanning viewpoint planning method provided in this embodiment.
- the 3D scanning viewpoint planning method proposed in this embodiment includes the following steps:
- Step 101 Obtain a low-precision digital model of the object to be scanned; the low-precision digital model is used to represent the spatial information of the object to be scanned.
- the object to be scanned can be a known object or an unknown object, where the known object is an object whose spatial information is known in advance by the system, so when planning its viewpoint, it can be directly extracted
- the object can be scanned by a depth camera to obtain its low-precision digital model.
- Figure 2 is a schematic diagram of a low-precision digital model provided by this embodiment.
- the method further includes: performing edge trimming processing on the low-precision digital model.
- the edge of the model is trimmed in this embodiment, where the edge trimming includes edge repair processing and stray edge removal processing, Edge repairing is also to mending the edges.
- Step 102 Perform a viewpoint planning calculation on the point cloud data on the low-precision digital model according to a preset viewpoint planning algorithm.
- the point cloud data is a collection of point data on the surface of the object.
- a viewpoint planning algorithm is performed on the point cloud data to calculate the position and posture in space when the three-dimensional sensor performs three-dimensional scanning of the object.
- the viewpoint planning algorithm in this embodiment specifically includes the following steps:
- Step 301 Perform surface normal estimation on the point cloud data on the low-precision digital model to obtain the point cloud normal vector of the surface of the object to be scanned;
- the PCL point cloud library is used to estimate the surface normal of the point cloud to obtain the normal vector of the object surface. Please refer to Fig. 4, and then save the estimated normal vector of the point cloud.
- Step 302 Transform the point cloud normal vector to a spherical coordinate system, and divide the point cloud normal vector in the spherical coordinate system into a matrix of M rows ⁇ N columns;
- the normal vector of the point cloud To transform the coordinate system, transfer the three components of the normal vector to the spherical coordinate system using the azimuth angle ⁇ and the pitch angle It is represented by the radial distance r.
- the radial distance may preferably be 1.
- the azimuth and elevation angles can be divided into a group every n degrees to determine the row size and column size of the matrix, that is, M is 360/n, N is 180/n.
- M is 360/n
- N 180/n.
- it can be divided into groups of 10 degrees in azimuth and 10 degrees in elevation
- the normal line of the point cloud can be divided into a 36 ⁇ 18 matrix.
- Figure 5 shows a schematic diagram of the matrix division provided for this example.
- histogram statistics are performed on the number of point cloud normal vectors in each grouping area in the matrix, and the corresponding point cloud information is saved, as shown in FIG. 6 for the point cloud method provided in this embodiment Histogram of vector quantity.
- the normal vector of the point cloud in the spherical coordinate system corresponding to the center of the window is transformed into the rectangular coordinate system to obtain the pointing direction of the three-dimensional sensor.
- the size of the window is determined based on the viewing angle of the three-dimensional sensor and the visibility constraint condition; the visibility constraint condition is that the product of the normal vector of the point cloud and the view direction of the three-dimensional sensor is less than zero.
- the equivalent field of view angle is 28°.
- the optional point cloud normal vector direction does not exceed 76°.
- the point cloud normal vector is used in the example of the present invention. If the direction does not exceed 45°, the corresponding window size is 9 ⁇ 9.
- the range of azimuth angle is 0° ⁇ 360°
- the range of pitch angle is 0° ⁇ 180°.
- the window is moved circularly with each matrix as the center . If the window size exceeds the value range, the matrix needs to be expanded to a 44 ⁇ 26 matrix. For example, when the center is at (10°, 10°), the range of matrix rows is (330° ⁇ 360°, 10° ⁇ 50°), and the range of columns is (30° ⁇ 0°, 10° ⁇ 50°) .
- the field of view space corresponding to the three-dimensional sensor is estimated, that is, the size of the viewing cone, and the minimum bounding box constructed is divided to achieve coverage of the point cloud space in the window, as shown in Figure 7.
- the OBB Oriented Bounding Box
- the PCA Principal Component Analysis, principal component analysis
- the coordinate axis is redefined for the discrete point cloud contained in the window.
- the PCA analysis first obtains the covariance matrix through the covariance calculation formula, and then calculates Take the eigenvalues and eigenvectors of the covariance matrix.
- the eigenvectors corresponding to the largest eigenvalues are the directions of the three main axes of OBB.
- the centroid of the point cloud under the current coordinate axis can be determined.
- FIG. 8 shows a schematic diagram of the construction of the minimum bounding box provided by this embodiment.
- Step 305 Determine the viewpoint information of the three-dimensional sensor in space based on n i , C i and the focusing distance D of the three-dimensional sensor.
- the three-dimensional sensor based on the previously calculated pointing direction of the three-dimensional sensor, the three-dimensional coordinates of a point on the object pointed to by the three-dimensional sensor, and the focus distance of the three-dimensional sensor, the three-dimensional sensor’s specific area on the object is calculated through coordinate inverse calculation.
- the three-dimensional coordinates of the space when scanning is performed that is, the position of the viewpoint, and the connection between the three-dimensional coordinates of a point on the object and the calculated three-dimensional coordinates of the three-dimensional sensor is the viewpoint direction.
- the viewpoint position information and the viewpoint direction information constitute the viewpoint information.
- Step 103 When it is determined that the preset algorithm termination condition is met, all the calculated viewpoint information is determined as the target viewpoint set of the three-dimensional sensor when the object to be scanned is scanned as a whole; the viewpoint information includes viewpoint position information and viewpoint direction information.
- the target viewpoint set in this embodiment includes information corresponding to multiple viewpoints required by the three-dimensional sensor to realize the overall scanning of the object.
- an algorithm termination condition is preset. When the algorithm termination condition is not met, the viewpoint planning algorithm of this embodiment is continued to be executed, and when the algorithm termination condition is met, the algorithm operation is stopped. After determining the set of target viewpoints, they are imported into a movement control system equipped with a 3D sensor. The system controls the movement of the 3D sensor according to the viewpoints calculated by the algorithm to realize automatic 3D scanning of objects and avoid manual operation. It is cumbersome, reduces the redundancy of measurement data, and greatly improves the efficiency of the system.
- the algorithm termination condition is associated with the number of point clouds currently to be calculated N present ; N present is determined from the remaining point clouds after deleting the previously calculated point clouds The number of point clouds to be calculated.
- the calculated point cloud is deleted.
- the algorithm termination condition can be the completion of all point cloud data calculations in the low-precision digital model.
- the algorithm can also end when all point cloud data is left.
- a preset value for example, 1%
- N present for example, it can be determined whether N present is less than 100, and if so, the algorithm is terminated.
- the viewpoint planning algorithm is performed on the point cloud data in the low-precision digital model based on the viewpoint planning algorithm, and then the three-dimensional The sensor needs the position and line of sight direction of multiple viewpoints in space when the object to be scanned is scanned in three dimensions. Calculating the viewpoint of the 3D sensor through the viewpoint planning algorithm can improve the accuracy and scientificity of the sensor pose determination, greatly improve the efficiency of viewpoint planning, and reduce the time consumption of the entire measurement process.
- This embodiment shows a three-dimensional scanning viewpoint planning device. Please refer to FIG. 9 for details.
- the three-dimensional scanning viewpoint planning device of this embodiment includes:
- the obtaining module 901 is used to obtain a low-precision digital model of the object to be scanned; the low-precision digital model is used to represent the spatial information of the object to be scanned;
- the calculation module 902 is configured to perform viewpoint planning calculations on the point cloud data on the low-precision digital model according to a preset viewpoint planning algorithm
- the determining module 903 is used to determine all the calculated viewpoint information as the target viewpoint set of the three-dimensional sensor when the object to be scanned is scanned as a whole when it is determined that the preset algorithm termination condition is met; the viewpoint information includes viewpoint position information and viewpoint Direction information.
- the acquisition module 901 can scan the object through a depth camera to obtain its low-precision digital model.
- a viewpoint planning algorithm is performed on the point cloud data to calculate the three-dimensional sensor pair.
- the target viewpoint set in this embodiment includes three-dimensional The sensor realizes the information corresponding to multiple viewpoints required for the overall scanning of the object.
- the 3D scanning viewpoint planning device further includes: a processing module, which is used to perform edge trimming processing on the low-precision digital model; optionally, the edge trimming processing includes: edge repair processing and stray processing Edge removal processing, edge repair processing is to mending the edges.
- the calculation module 902 is specifically configured to perform viewpoint planning calculations on the point cloud data on the low-precision digital model after edge trimming processing according to a preset viewpoint planning algorithm.
- the size of the window is determined based on the viewing angle of the three-dimensional sensor and the visibility constraint condition; the visibility constraint condition is that the product of the point cloud normal vector and the view point direction of the three-dimensional sensor is less than zero.
- the calculation module 902 is specifically configured to use the principal component analysis PCA method to obtain the feature vector of the point cloud in the window with the largest number of point cloud normal vectors, and to reconstruct the feature vector based on the obtained feature vector.
- the coordinate axis determine the centroid of the point cloud in the window with the largest number of point cloud normals under the redefined coordinate axis, and based on the redefined coordinate axis and centroid, determine the point in the window with the largest number of point cloud normals Cloud builds the smallest bounding box.
- the determining module 903 is specifically configured to determine that all the calculated viewpoint information is that the three-dimensional sensor is present when it is determined that the preset algorithm termination condition is met based on the current number of point clouds N present to be calculated.
- the set of target viewpoints when the object to be scanned is scanned as a whole; N present is the number of point clouds to be calculated determined from the remaining point clouds after deleting the previously calculated point clouds.
- the viewpoint planning algorithm is performed on the point cloud data in the low-precision digital model based on the viewpoint planning algorithm, and then the 3D sensors are calculated separately
- the viewpoint of the three-dimensional sensor can improve the accuracy and scientificity of the sensor pose determination, greatly improve the efficiency of viewpoint planning, and reduce the time consumption of the entire measurement process.
- This embodiment provides an electronic device. As shown in FIG. 10, it includes a processor 1001, a memory 1002, and a communication bus 1003.
- the communication bus 1003 is used to implement connection and communication between the processor 1001 and the memory 1002; processing
- the device 1001 is configured to execute one or more computer programs stored in the memory 1002 to implement at least one step in the three-dimensional scanning viewpoint planning method in the first embodiment.
- This embodiment also provides a computer-readable storage medium, which is included in any method or technology for storing information (such as computer-readable instructions, data structures, computer program modules, or other data). Volatile or non-volatile, removable or non-removable media.
- Computer readable storage media include but are not limited to RAM (Random Access Memory), ROM (Read-Only Memory, read-only memory), EEPROM (Electrically Erasable Programmable read only memory, charged Erasable Programmable Read-Only Memory) ), flash memory or other storage technology, CD-ROM (Compact Disc Read-Only Memory), digital versatile disk (DVD) or other optical disk storage, magnetic cassettes, magnetic tapes, magnetic disk storage or other magnetic storage devices, Or any other medium that can be used to store desired information and can be accessed by a computer.
- the computer-readable storage medium in this embodiment may be used to store one or more computer programs, and the stored one or more computer programs may be executed by a processor to implement at least one step of the method in the first embodiment.
- This embodiment also provides a computer program, which can be distributed on a computer-readable medium and executed by a computer-readable device to implement at least one step of the method in the first embodiment; and in some cases At least one of the steps shown or described can be performed in a different order from the order described in the foregoing embodiment.
- This embodiment also provides a computer program product, including a computer-readable device, and the computer-readable device stores the computer program as shown above.
- the computer-readable device in this embodiment may include the computer-readable storage medium as shown above.
- communication media usually contain computer-readable instructions, data structures, computer program modules, or other data in a modulated data signal such as a carrier wave or other transmission mechanism, and may include any information delivery medium. Therefore, the present invention is not limited to any specific combination of hardware and software.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Graphics (AREA)
- Software Systems (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Evolutionary Computation (AREA)
- Computing Systems (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
Claims (10)
- 一种三维扫描视点规划方法,其特征在于,包括:获取待扫描物体的低精度数字化模型;所述低精度数字化模型用于表征所述待扫描物体的空间信息;根据预设的视点规划算法,对所述低精度数字化模型上的点云数据进行视点规划计算;在确定符合预设的算法终止条件时,将所计算出的所有视点信息确定为三维传感器在对所述待扫描物体进行整体扫描时的目标视点集合;所述视点信息包括视点位置信息和视点方向信息。
- 如权利要求1所述的三维扫描视点规划方法,其特征在于,在根据预设的视点规划算法,对所述低精度数字化模型上的点云数据进行视点规划计算之前,还包括:对所述低精度数字化模型进行边缘修整处理;所述根据预设的视点规划算法,对所述低精度数字化模型上的点云数据进行视点规划计算包括:根据预设的视点规划算法,对边缘修整处理后的低精度数字化模型上的点云数据进行视点规划计算。
- 如权利要求1所述的三维扫描视点规划方法,其特征在于,所述确定符合预设的算法终止条件包括:基于当前待计算的点云数量N present确定符合预设的算法终止条件;所述N present为删除此前已计算的点云之后,从所剩余的点云中所确定的待计算点云的数量。
- 如权利要求3所述的三维扫描视点规划方法,其特征在于,所述基于当前待计算的点云数量N present确定符合预设的算法终止条件包括:根据当前待计算的点云数量N present与初始点云数量N total,确定点云比率p=N present/N total;在所述p低于预设的比率阈值时,确定符合预设的算法终止条件。
- 如权利要求1至4中任意一项所述的三维扫描视点规划方法,其特征在于,所述对所述低精度数字化模型上的点云数据进行视点规划计算包括:对所述低精度数字化模型上的点云数据进行表面法线估计,得到所述待扫描物体表面的点云法向量;将所述点云法向量转化至球坐标系下,并将处于球坐标系下的所述点云法向量划分为M行×N列的矩阵;对所述矩阵内每个分组区域的点云法向量数量进行直方图统计,并以所述每个分组区域为中心,将预设大小的窗口在所述矩阵上进行循环移动,然后统计每次窗口中的点云法向量数量,确定所述点云法向量数量最大的窗口,再基于所述点云法向量数量最大的窗口中心的点云法向量,确定所述三维传感器的指向方向n i=(x i,y i,z i);对所述点云法向量数量最大的窗口内的点云构建最小包围盒,并基于所述三维传感器的视场空间大小对所述最小包围盒进行划分,确定所划分的空间中心的三维坐标C i=(x i,y i,z i);基于所述n i、C i以及所述三维传感器的对焦距离D,确定所述三维传感器在空间中的视点信息。
- 如权利要求5所述的三维扫描视点规划方法,其特征在于,所述窗口的大小基于所述三维传感器的视场角以及可见性约束条件确定;所述可见性约束条件为所述点云法向量与所述三维传感器的视点方向的乘积小于零。
- 如权利要求5所述的三维扫描视点规划方法,其特征在于,所述对所述点云法向量数量最大的窗口内的点云构建最小包围盒包括:采用主元分析PCA方法获得所述点云法向量数量最大的窗口内的点云的特征向量,并基于所获取的特征向量重新定义坐标轴;确定在重新定义的坐标轴下,所述点云法向量数量最大的窗口内的点云的质心,并基于所述重新定义的坐标轴以及所述质心,对所述点云法向量数量最大的窗口内的点云构建最小包围盒。
- 一种三维扫描视点规划装置,其特征在于,包括:获取模块,用于获取待扫描物体的低精度数字化模型;所述低精度数字化模型用于表征所述待扫描物体的空间信息;计算模块,用于根据预设的视点规划算法,对所述低精度数字化模型上的点云数据进行视点规划计算;确定模块,用于在确定符合预设的算法终止条件时,将所计算出的所有视点信息确定为三维传感器在对所述待扫描物体进行整体扫描时的目标视点集合;所述视点信息包括视点位置信息和视点方向信息。
- 一种电子装置,其特征在于,包括:处理器、存储器和通信总线;所述通信总线用于实现所述处理器和存储器之间的连接通信;所述处理器用于执行所述存储器中存储的一个或者多个程序,以实现如权利要求1至7中任意一项所述的三维扫描视点规划方法的步骤。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质存储有一个或者多个程序,所述一个或者多个程序可被一个或者多个处理器执行,以实现如权利要求1至7中任意一项所述的三维扫描视点规划方法的步骤。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17/431,737 US11776217B2 (en) | 2019-02-20 | 2019-07-26 | Method for planning three-dimensional scanning viewpoint, device for planning three-dimensional scanning viewpoint, and computer readable storage medium |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910125324.0 | 2019-02-20 | ||
| CN201910125324.0A CN109977466B (zh) | 2019-02-20 | 2019-02-20 | 一种三维扫描视点规划方法、装置及计算机可读存储介质 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2020168685A1 true WO2020168685A1 (zh) | 2020-08-27 |
Family
ID=67077019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2019/097952 Ceased WO2020168685A1 (zh) | 2019-02-20 | 2019-07-26 | 一种三维扫描视点规划方法、装置及计算机可读存储介质 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US11776217B2 (zh) |
| CN (1) | CN109977466B (zh) |
| WO (1) | WO2020168685A1 (zh) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776452A (zh) * | 2021-07-27 | 2021-12-10 | 中国铁道科学研究院集团有限公司标准计量研究所 | 一种圆柱形筒体的圆度测量方法及装置 |
| CN114545434A (zh) * | 2022-01-13 | 2022-05-27 | 燕山大学 | 一种路侧视角测速方法、系统、电子设备及存储介质 |
| CN114626112A (zh) * | 2022-03-24 | 2022-06-14 | 长春理工大学 | 一种基于边界检验的未知物体表面测量视点规划方法 |
| CN115457133A (zh) * | 2022-09-16 | 2022-12-09 | 长春工程学院 | 一种基于外形框架优先的三维点云数据存储方法 |
| CN120655905A (zh) * | 2025-08-19 | 2025-09-16 | 中国铁建电气化局集团有限公司 | 铁路通信设备的感兴趣区域确定方法、装置、设备及介质 |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109977466B (zh) * | 2019-02-20 | 2021-02-02 | 深圳大学 | 一种三维扫描视点规划方法、装置及计算机可读存储介质 |
| CN117635815A (zh) * | 2019-06-28 | 2024-03-01 | 上海交通大学 | 基于三维点云的初始视角控制和呈现方法及系统 |
| JP7313998B2 (ja) * | 2019-09-18 | 2023-07-25 | 株式会社トプコン | 測量データ処理装置、測量データ処理方法および測量データ処理用プログラム |
| CN112733428B (zh) * | 2020-12-17 | 2022-09-06 | 上海理工大学 | 一种光学测量的扫描姿态与覆盖路径规划方法 |
| CN112902905A (zh) * | 2021-01-20 | 2021-06-04 | 西安电子科技大学 | 一种基于高清3d扫描的地物谱测试方法及系统 |
| CN115170625A (zh) * | 2022-07-06 | 2022-10-11 | 浙江大学 | 基于曲面分割和icp配准算法的三维模型重建方法 |
| CN115830217B (zh) * | 2022-07-11 | 2025-07-15 | 深圳大学 | 待建模物体三维模型点云的生成方法、装置和系统 |
| CN115159149B (zh) * | 2022-07-28 | 2024-05-24 | 深圳市罗宾汉智能装备有限公司 | 一种基于视觉定位的取料卸货方法及其装置 |
| CN115688260A (zh) * | 2022-09-21 | 2023-02-03 | 浙江西图盟数字科技有限公司 | 一种尺寸报告生成方法、装置、设备及存储介质 |
| CN115656238B (zh) * | 2022-10-17 | 2023-05-12 | 中国科学院高能物理研究所 | 一种微区xrf元素分析与多维成像方法及系统 |
| CN115758496B (zh) * | 2022-12-28 | 2026-03-17 | 西安交通大学 | 一种面向叶片三维测量的视点规划方法及系统 |
| CN116560410B (zh) * | 2023-06-21 | 2025-12-02 | 西安交通大学 | 基于蒙特卡洛树搜索的无人机三维覆盖路径规划方法 |
| CN117078765A (zh) * | 2023-07-04 | 2023-11-17 | 浙江工业大学 | 一种基于信息驱动的回转体三维扫描视点动态规划方法 |
| CN117314977B (zh) * | 2023-08-28 | 2025-11-28 | 华侨大学 | 基于机器人扫描视点规划的工艺制品三维测量方法及装置 |
| CN117496073B (zh) * | 2023-12-29 | 2024-03-26 | 山东省国土测绘院 | 一种多时相实景三维模型的构建方法及系统 |
| CN120198602B (zh) * | 2025-05-26 | 2025-08-08 | 湖南大学 | 机器人三维重建设备视点规划方法、系统和计算机设备 |
| CN120912788B (zh) * | 2025-10-09 | 2025-12-09 | 南京航空航天大学 | 基于最佳扫描视点的大型飞机整体油箱三维扫描方法及装置 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930536A (zh) * | 2012-10-16 | 2013-02-13 | 深圳先进技术研究院 | 基于层次化结构的室内场景运动性分析与检测方法 |
| CN103914837A (zh) * | 2014-03-25 | 2014-07-09 | 西安电子科技大学 | 一种适用于多视角点云处理的圆柱形邻域及其搜索方法 |
| CN104063894A (zh) * | 2014-06-13 | 2014-09-24 | 中国科学院深圳先进技术研究院 | 点云三维模型重建方法及系统 |
| CN105551039A (zh) * | 2015-12-14 | 2016-05-04 | 深圳先进技术研究院 | 结构光三维扫描系统的标定方法及装置 |
| WO2017167862A1 (en) * | 2016-04-01 | 2017-10-05 | Lego A/S | Toy scanner |
| US20190005711A1 (en) * | 2016-08-15 | 2019-01-03 | Aquifi, Inc. | System and method for three-dimensional scanning and for capturing a bidirectional reflectance distribution function |
| CN109977466A (zh) * | 2019-02-20 | 2019-07-05 | 深圳大学 | 一种三维扫描视点规划方法、装置及计算机可读存储介质 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7208112B2 (en) * | 2002-01-04 | 2007-04-24 | Anchor Wall Systems, Inc. | Concrete block and method of making same |
| DE10211262A1 (de) * | 2002-03-14 | 2003-10-09 | Tomec Imaging Systems Gmbh | Verfahren und Vorrichtung zur Rekonstruktion und Darstellung von mehrdimensionalen Objekten aus ein- oder zweidimensionalen Bilddaten |
| CN102915559B (zh) * | 2012-08-22 | 2015-04-29 | 北京航空航天大学 | 一种基于三维点云的实时透明物体gpu并行生成方法 |
| US20140172377A1 (en) * | 2012-09-20 | 2014-06-19 | Brown University | Method to reconstruct a surface from oriented 3-d points |
| CN103236064B (zh) * | 2013-05-06 | 2016-01-13 | 东南大学 | 一种基于法向量的点云自动配准方法 |
| CN103337071B (zh) * | 2013-06-19 | 2016-03-30 | 北京理工大学 | 基于结构重建的皮下静脉三维可视化装置及方法 |
| CN104408762A (zh) * | 2014-10-30 | 2015-03-11 | 福州大学 | 利用单目和二维平台获取物体图像信息及三维模型的方法 |
| CN107767375B (zh) * | 2017-11-02 | 2021-06-29 | 广东电网有限责任公司电力科学研究院 | 一种点云质量评估方法及装置 |
| CN108898662B (zh) * | 2018-05-30 | 2022-05-27 | 中国人民解放军陆军勤务学院 | 基于点云数据的管线设施bim模型自动化重建方法 |
| US11407111B2 (en) * | 2018-06-27 | 2022-08-09 | Abb Schweiz Ag | Method and system to generate a 3D model for a robot scene |
-
2019
- 2019-02-20 CN CN201910125324.0A patent/CN109977466B/zh active Active
- 2019-07-26 WO PCT/CN2019/097952 patent/WO2020168685A1/zh not_active Ceased
- 2019-07-26 US US17/431,737 patent/US11776217B2/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930536A (zh) * | 2012-10-16 | 2013-02-13 | 深圳先进技术研究院 | 基于层次化结构的室内场景运动性分析与检测方法 |
| CN103914837A (zh) * | 2014-03-25 | 2014-07-09 | 西安电子科技大学 | 一种适用于多视角点云处理的圆柱形邻域及其搜索方法 |
| CN104063894A (zh) * | 2014-06-13 | 2014-09-24 | 中国科学院深圳先进技术研究院 | 点云三维模型重建方法及系统 |
| CN105551039A (zh) * | 2015-12-14 | 2016-05-04 | 深圳先进技术研究院 | 结构光三维扫描系统的标定方法及装置 |
| WO2017167862A1 (en) * | 2016-04-01 | 2017-10-05 | Lego A/S | Toy scanner |
| US20190005711A1 (en) * | 2016-08-15 | 2019-01-03 | Aquifi, Inc. | System and method for three-dimensional scanning and for capturing a bidirectional reflectance distribution function |
| CN109977466A (zh) * | 2019-02-20 | 2019-07-05 | 深圳大学 | 一种三维扫描视点规划方法、装置及计算机可读存储介质 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776452A (zh) * | 2021-07-27 | 2021-12-10 | 中国铁道科学研究院集团有限公司标准计量研究所 | 一种圆柱形筒体的圆度测量方法及装置 |
| CN113776452B (zh) * | 2021-07-27 | 2024-03-01 | 中国铁道科学研究院集团有限公司标准计量研究所 | 一种圆柱形筒体的圆度测量方法及装置 |
| CN114545434A (zh) * | 2022-01-13 | 2022-05-27 | 燕山大学 | 一种路侧视角测速方法、系统、电子设备及存储介质 |
| CN114626112A (zh) * | 2022-03-24 | 2022-06-14 | 长春理工大学 | 一种基于边界检验的未知物体表面测量视点规划方法 |
| CN115457133A (zh) * | 2022-09-16 | 2022-12-09 | 长春工程学院 | 一种基于外形框架优先的三维点云数据存储方法 |
| CN115457133B (zh) * | 2022-09-16 | 2025-12-23 | 长春工程学院 | 一种基于外形框架优先的三维点云数据存储方法 |
| CN120655905A (zh) * | 2025-08-19 | 2025-09-16 | 中国铁建电气化局集团有限公司 | 铁路通信设备的感兴趣区域确定方法、装置、设备及介质 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109977466B (zh) | 2021-02-02 |
| US11776217B2 (en) | 2023-10-03 |
| US20220139040A1 (en) | 2022-05-05 |
| CN109977466A (zh) | 2019-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2020168685A1 (zh) | 一种三维扫描视点规划方法、装置及计算机可读存储介质 | |
| CN110335295B (zh) | 一种基于tof相机的植物点云采集配准与优化方法 | |
| CN114310901B (zh) | 用于机器人的坐标系标定方法、装置、系统以及介质 | |
| KR102068419B1 (ko) | 포인트 클라우드 데이터 수집 궤적을 조정하기 위한 방법, 장치 및 컴퓨터 판독 가능한 매체 | |
| WO2021016854A1 (zh) | 一种标定方法、设备、可移动平台及存储介质 | |
| CN107194974B (zh) | 一种基于多次识别标定板图像的多目相机外参标定精度的提高方法 | |
| CN111123242B (zh) | 一种基于激光雷达和相机的联合标定方法及计算机可读存储介质 | |
| WO2022110451A1 (zh) | 机器人定位方法、装置、计算机可读存储介质及机器人 | |
| WO2022179094A1 (zh) | 车载激光雷达外参数联合标定方法、系统、介质及设备 | |
| CN113077476A (zh) | 一种高度测量方法、终端设备以及计算机存储介质 | |
| CN111142514B (zh) | 一种机器人及其避障方法和装置 | |
| CN115685160B (zh) | 基于标靶的激光雷达与相机标定方法、系统、电子设备 | |
| CN114814750B (zh) | 雷达标定及验证方法、装置、计算机设备及存储介质 | |
| CN110597249A (zh) | 一种机器人及其回充定位方法和装置 | |
| CN115018922B (zh) | 畸变参数标定方法、电子设备和计算机可读存储介质 | |
| WO2019214193A1 (zh) | 点云采样方法、图像处理设备及具有存储功能的装置 | |
| CN114926549B (zh) | 三维点云处理方法、装置、设备以及存储介质 | |
| CN107504917B (zh) | 一种三维尺寸测量方法及装置 | |
| CN113340201B (zh) | 一种基于rgbd相机的三维测量方法 | |
| CN111337939B (zh) | 一种矩形物体外边框的估计方法及装置 | |
| CN111336938A (zh) | 一种机器人及其物体距离检测方法和装置 | |
| CN118518009B (zh) | 标定参数确定方法、校正方法、介质及设备 | |
| CN119556277A (zh) | 光学-雷达共址观测的空间目标姿态模型搜索匹配方法 | |
| CN117152270B (zh) | 激光雷达与相机的联合标定方法、装置、设备及介质 | |
| CN119600110A (zh) | 一种车辆标定的信息数据管理系统 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 19916042 Country of ref document: EP Kind code of ref document: A1 |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 19916042 Country of ref document: EP Kind code of ref document: A1 |
|
| 32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 220422) |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 19916042 Country of ref document: EP Kind code of ref document: A1 |