CN-121999166-A - Ocean archaeological investigation result data visualization-based method and system

CN121999166ACN 121999166 ACN121999166 ACN 121999166ACN-121999166-A

Abstract

The invention discloses a method and a system for visualizing data based on ocean archaeological investigation results, belongs to the technical field of computer data processing and visualization, and aims to solve the technical problems that in the conventional ocean archaeological data visualization, multi-source heterogeneous data are difficult to integrate, the visualization form is single and the interactivity is insufficient. According to the method, four layers of associated data models of 'heritage-detection area-cultural relic point-literature' under a unified space-time reference system are constructed by acquiring multi-source ocean archaeological investigation data and completing standardized preprocessing and space-time registration, so that three-dimensional scene construction, multi-source data fusion and multi-dimensional visual mapping rendering of the seabed are realized, an interactive analysis interface is provided to support result exploration and query, and multi-end output is realized through an output module. The system for realizing the method comprises five modules, namely data access, data management, a visual processing engine, interaction analysis and output. The invention realizes the integrated management and fusion display of multi-source data, improves the scientific research value and the scientific popularization effect of the ocean archaeological results, and can be widely applied to the fields of ocean archaeological research, cultural relic protection and scientific popularization.

Inventors

LIU HUI
ZHAO RUIXIANG
SHI XIONGYAN
CHENG WEIXING
ZHANG JING

Assignees

广州和辰信息科技有限公司

Dates

Publication Date: 20260508
Application Date: 20260204

Claims (6)

1. The method for visualizing the data based on the marine archaeological investigation result is characterized by comprising the following steps of: S1, accessing and preprocessing data, obtaining multi-source heterogeneous ocean archaeological investigation data, performing standardized preprocessing on the data, and uniformly registering all preprocessed data to the same space-time reference system; S2, constructing an associated data model, constructing a four-layer associated data model under a unified space-time reference system based on space-time registered data, sequentially associating detection areas, cultural relic points and literature data by using a site as a core node, establishing a space-time and attribute association relation among data objects, and storing the associated data in a space-time database; S3, performing three-dimensional scene fusion construction, namely generating a seabed digital elevation model by utilizing multi-beam data based on the associated data model, and mapping a side scan sonar image as a texture to the surface of the model to construct a basic seabed three-dimensional scene; and S4, performing visual mapping and interactive rendering, selecting at least one visual dimension for rendering and displaying according to a user instruction based on the enhanced three-dimensional scene, receiving an operation instruction initiated by a user through an interactive interface, and updating visual display content in real time.
2. The method of claim 1, wherein the multi-source heterogeneous marine archaeological investigation data at least comprises acoustic detection data, optical image data and cultural relic attribute data, the standardized preprocessing comprises data format conversion, data cleaning and data mosaic, the original data in different formats are converted into universal formats which can be recognized by a system through the data format conversion, noise and invalid data are removed through the data cleaning, missing data are complemented, and the fragmented image data are spliced and integrated through the data mosaic.
3. The method of claim 2, wherein the standardized preprocessing further comprises feature extraction and data verification, wherein the image recognition algorithm is used for extracting cultural relic outline features from the optical image data, the topography analysis algorithm is used for extracting submarine topography features from the acoustic detection data, and the data integrity and accuracy after the preprocessing are verified through the data verification, so that the data meets the requirement of subsequent modeling.
4. The method of claim 1, wherein the three-dimensional model of the representative relic or site structure is bound to corresponding relic attribute information in the associated data model.
5. The method of claim 1, wherein the S4 visualization dimensions comprise a spatiotemporal sequence visualization, a multidimensional attribute visualization, a scene fusion visualization, and a simulated reconstruction visualization, and the operational instructions comprise a layer control instruction, a spatiotemporal or attribute query screening instruction, a scene view transformation instruction, and a data trace-back instruction.
6. The ocean archaeological data visualization system for realizing the method of any one of claims 1 to 5 is characterized by comprising data acquisition and processing equipment, a data processing server and a user interaction terminal, wherein the data acquisition and processing equipment is used for acquiring multi-source heterogeneous ocean archaeological investigation original data, the data processing server is in communication connection with the data acquisition and processing equipment, a data access module, a data management module, a visual processing engine, an interaction analysis module and an output module are operated in the data processing server, the modules work cooperatively and the data flow direction is clear, the data access module receives the original data and completes standardized preprocessing, standardized data support is provided for the data management module, the data management module builds a related data model based on the standardized data and stores the data into a space-time database, meanwhile, the visual processing engine is used for completing three-dimensional scene construction and rendering according to the related data model, the interaction analysis module receives an operation instruction of the user interaction terminal and feeds updated data back to the user interaction terminal, the output module is used for displaying the visual processing engine, and the visual processing engine is used for displaying the related data by the user interaction terminal, and the visual processing engine is connected with the visual processing engine in time, and the visual processing engine is used for displaying the visual processing terminal.

Description

Ocean archaeological investigation result data visualization-based method and system Technical Field The invention relates to the technical field of computer data processing and visualization, in particular to a method and a system based on ocean archaeological investigation result data visualization, which are suitable for integrated management, processing analysis and visual display of ocean archaeological multisource investigation result data and can be widely applied to the related fields of ocean archaeological scientific research, cultural relic protection, scientific popularization and the like. Background Ocean archaeology is an important means for exploring ocean historical culture and protecting underwater cultural relics, and investigation work can generate massive, multi-type and heterogeneous result data, and mainly comprises acoustic detection data (such as multi-beam and side-scan sonar data), optical image data (such as underwater photography and video data), geophysical data (such as magnetic anomaly and shallow profile data), cultural relic positioning data, cultural relic attribute data, related historical literature data and the like. The data are core basis for researching the distribution rule of the submarine heritage, the evolution process of cultural relics and the ocean historical culture, and the utilization efficiency of the data directly influences the scientific research progress and the achievement conversion effect of ocean archaeological work. At present, a systematic solution capable of realizing multi-source heterogeneous data integration, multi-dimensional fusion visualization, full-flow interactive analysis and multi-terminal output of ocean archaeological data is not yet found in the existing visualization technology, and the practical requirements of scientific research and science popularization are difficult to meet. Therefore, the ocean archaeological investigation result data visualization method and system capable of realizing multi-source heterogeneous data integration, flexible interaction analysis and multi-terminal science popularization output through four-layer associated data model, light-weight WebGL rendering, multi-dimensional fusion visualization and full-flow interaction analysis are provided. Disclosure of Invention The invention discloses a method and a system for visualizing data based on ocean archaeological investigation results. A method for visualizing data based on ocean archaeological investigation achievements comprises the following steps: S1, data access and preprocessing: The multi-source ocean archaeological investigation data are acquired through a data acquisition means, wherein the multi-source data comprise at least two of acoustic detection data (multi-beam data, side-scan sonar data), optical image data (underwater photographic images, underwater video frame images), geophysical data (magnetic anomaly data, shallow sea-bottom profile data), positioning data (cultural relic unearthed coordinates, detection area boundary coordinates), cultural relic attribute data (cultural relic type, age, material, size and the like) and literature data (historical records, archaeological reports and the like). Firstly, standardized pretreatment is carried out on the acquired multi-source data, all links cooperate to improve the data quality, and support is provided for subsequent data modeling and visualization. Specifically, the standardized preprocessing covers three core links of data format conversion, data cleaning and data embedding, further comprises a feature extraction link for extracting core features of various data, improves the subsequent visualization precision, and further comprises a data verification link for verifying the integrity and accuracy of the preprocessed data, so that the data is ensured to meet the subsequent modeling requirement. Further, the original data with different formats are subjected to unified conversion processing to form a universal compatible format. Specifically, multi-beam data and side-scan sonar data are converted into universal grids, underwater videos are converted into frame images, format unification is carried out on cultural relic attribute data, and various data can be ensured to be stably identified and efficiently processed by a subsequent module. Further, the data are cleaned by adopting the technical means such as regular expressions, abnormal value detection algorithms and the like, and noise data, redundant data and invalid data in the data are removed. The invalid data comprises cultural relic attribute data with missing key information and data with overlarge positioning deviation, meanwhile, the missing data is reasonably complemented, and a small amount of missing positioning data is complemented by adopting a neighboring data interpolation method. Further, the fragmented acoustic data and the optical image data are subjected to splicing and integration processing. The multi-section si