CN109636912B - 应用于三维声呐图像重构的四面体剖分有限元插值方法 - Google Patents
应用于三维声呐图像重构的四面体剖分有限元插值方法 Download PDFInfo
- Publication number
- CN109636912B CN109636912B CN201811427715.XA CN201811427715A CN109636912B CN 109636912 B CN109636912 B CN 109636912B CN 201811427715 A CN201811427715 A CN 201811427715A CN 109636912 B CN109636912 B CN 109636912B
- Authority
- CN
- China
- Prior art keywords
- tetrahedron
- resampling
- points
- coordinate
- grid
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 50
- 238000012952 Resampling Methods 0.000 claims abstract description 86
- 238000009826 distribution Methods 0.000 claims abstract description 7
- 238000005070 sampling Methods 0.000 claims description 28
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 238000004364 calculation method Methods 0.000 claims description 14
- 238000012937 correction Methods 0.000 claims description 11
- 238000012935 Averaging Methods 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims description 2
- 238000012946 outsourcing Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 3
- 238000012800 visualization Methods 0.000 abstract description 2
- 238000005267 amalgamation Methods 0.000 abstract 1
- 238000002224 dissection Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 15
- 230000006870 function Effects 0.000 description 9
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 101100221616 Halobacterium salinarum (strain ATCC 29341 / DSM 671 / R1) cosB gene Proteins 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013079 data visualisation Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- 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
- G06T17/20—Finite element generation, e.g. wire-frame surface description, tesselation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/06—Topological mapping of higher dimensional structures onto lower dimensional surfaces
- G06T3/067—Reshaping or unfolding 3D tree structures onto 2D planes
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Graphics (AREA)
- Geometry (AREA)
- Software Systems (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811427715.XA CN109636912B (zh) | 2018-11-27 | 2018-11-27 | 应用于三维声呐图像重构的四面体剖分有限元插值方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811427715.XA CN109636912B (zh) | 2018-11-27 | 2018-11-27 | 应用于三维声呐图像重构的四面体剖分有限元插值方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109636912A CN109636912A (zh) | 2019-04-16 |
CN109636912B true CN109636912B (zh) | 2020-06-26 |
Family
ID=66069647
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811427715.XA Active CN109636912B (zh) | 2018-11-27 | 2018-11-27 | 应用于三维声呐图像重构的四面体剖分有限元插值方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109636912B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111292235A (zh) * | 2019-04-25 | 2020-06-16 | 展讯通信(上海)有限公司 | 四面体插值计算方法及装置、色域转换方法及装置、介质 |
CN111833450B (zh) * | 2020-07-08 | 2023-12-15 | 重庆邮电大学 | 一种融合有限元分析法的超声波三维快速重建及分析方法 |
CN112288856B (zh) * | 2020-10-29 | 2024-02-27 | 陕西科技大学 | 一种三维碎片拼接重构方法、系统、设备及存储介质 |
CN112198516A (zh) * | 2020-11-10 | 2021-01-08 | 广东智芯光电科技有限公司 | 一种水下图像采集的方法和系统 |
CN114998150B (zh) * | 2022-06-15 | 2024-04-30 | 北京理工大学 | 超声图像的三维重建方法及装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014032008A2 (en) * | 2012-08-23 | 2014-02-27 | Old Dominion University Reasearch Foundation | Method and system for generating mesh from images |
CN107515982B (zh) * | 2017-08-22 | 2020-08-11 | 电子科技大学 | 一种三维力学有限元模态分析中的接触分析方法 |
CN108875195B (zh) * | 2018-06-13 | 2022-03-15 | 电子科技大学 | 一种考虑接触的三维力学随机振动仿真模拟方法 |
-
2018
- 2018-11-27 CN CN201811427715.XA patent/CN109636912B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN109636912A (zh) | 2019-04-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109636912B (zh) | 应用于三维声呐图像重构的四面体剖分有限元插值方法 | |
CN112862972B (zh) | 一种表面结构网格生成方法 | |
CN104268934B (zh) | 一种由点云直接重建三维曲面的方法 | |
Xu et al. | Block Modeling and Shooting Ray Tracing in Complex 3‐D Media | |
CN110045432A (zh) | 基于3d-glq的球坐标系下重力场正演方法及三维反演方法 | |
CN111968231A (zh) | 一种基于地质图切剖面的三维地层建模方法 | |
CN111028335B (zh) | 一种基于深度学习的点云数据的分块面片重建方法 | |
CN116385672A (zh) | 一种三维地形场景模型数据产品的构建方法 | |
EP0862768B1 (en) | Trendform gridding method using distance transformations | |
Liu et al. | Construction of high-resolution bathymetric dataset for the Mariana Trench | |
CN105931297A (zh) | 三维地质表面模型中的数据处理方法 | |
CN113740915A (zh) | 一种球坐标系重力和接收函数联合反演地壳结构参数的方法 | |
CN105869210A (zh) | 三维地质表面模型中的插值数据处理方法 | |
Jarvis et al. | 3D shape reconstruction of small bodies from sparse features | |
CN106842314A (zh) | 地层厚度的确定方法 | |
Maurya et al. | Performance of greedy triangulation algorithm on reconstruction of coastal dune surface | |
CN110968930B (zh) | 一种地质体变属性插值方法及系统 | |
De Araújo et al. | Adaptive polygonization of implicit surfaces | |
CN111158059A (zh) | 基于三次b样条函数的重力反演方法 | |
CN105869209A (zh) | 三维地质表面模型中的畸形三角形数据处理方法 | |
Lv et al. | The application of a complex composite fractal interpolation algorithm in the seabed terrain simulation | |
CN110568497A (zh) | 一种复杂介质条件下地震初至波旅行时的精确求解方法 | |
Sarzeaud et al. | Optimal interpolation of gravity maps using a modified neural network | |
Westerteiger et al. | Interactive Retro-Deformation of Terrain for Reconstructing 3D Fault Displacements | |
Lodha et al. | Scattered Data Interpolation: Radial |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220620 Address after: No.33, Lane 159, Taiye Road, Fengxian District, Shanghai, 201400 Patentee after: Shanghai Weiyi Mingda Information Technology Co.,Ltd. Address before: 430000 Lu Mill Road, Hongshan District, Wuhan, Hubei Province, No. 388 Patentee before: CHINA University OF GEOSCIENCES (WUHAN CITY) |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220718 Address after: 650000 room 211, No.8, Tai'an Road, taipingxincheng Street office, Anning City, Kunming City, Yunnan Province Patentee after: Yunnan poly Tiantong underwater equipment Technology Co.,Ltd. Address before: No.33, Lane 159, Taiye Road, Fengxian District, Shanghai, 201400 Patentee before: Shanghai Weiyi Mingda Information Technology Co.,Ltd. |
|
TR01 | Transfer of patent right |