High-Precision 3D Spatial Data Generation Based onย
Drone Photogrammetryย
An aerial photogrammetry solution that automatically builds photorealistic 3D models of real environments using aerial imaging data
Technology Overview
Drone Photogrammetry is an aerial surveying technology that combines high-performance drones, aerial imaging, and computer vision algorithms to convert real-world spaces into high-precision 3D data.ย
Drones equipped with high-resolution cameras continuously capture the target area from various altitudes and angles. The collected hundreds of 2D images are then precisely analyzed and overlapped using professional software such as Reality Scan and DJI Terra, reconstructing the space into a 3D structure identical to the real terrain.
Through SFM (Structure from Motion)-based geometric image matching and computer vision algorithms, the position (X, Y) and elevation (Z) of terrain features can be extracted with high accuracy, enabling the generation of various spatial data formats such as Orthomosaic, 3D Mesh, and high-density Point Cloud.
 |  |  |  |  |
Flight Path Planning and
Shooting Preparation | Aerial Shooting and
Raw Data Acquisition | Image Alignment and
Analysis Processing | 3D Data Generation and
Post-Processing | Verification, Analysis and
Final Deliverables |
 |  |  |  |
Accurateย
Planar Maps
View the site exactly from above, verify precise location ยท area
| 3Dย
Structuralย Data
Precisely record the real
height differences ยท shape information
| Photorealisticย
3D Models
Review realistic 3D results
as if seen with your own eyes
| Terrain Elevationย
Analysis Data
Use for cut/fill volume calculation and
risk assessment ยท decision-making
|
Key Advantages
01. ย Work Efficiency and Speedย : Compared to the conventional approach where 3D modelers manually model buildings and terrain, this solution can reduce production time by up to 80% or more. With automated drone flight path setup and automated shooting, anyone can acquire data and generate 3D outputs with just a few clicks. It also enables safe, fast scanning of large areas or rugged terrain that is difficult for people to access.
02. High-Precision Data Accuracy : ย Based on shooting with DJI Matrice 4E (RTK/PPK integrated solution), this ensures horizontal ยท vertical errors within 5 cm when corrected with Ground Control Points (GCP). In addition, if the coordinate system settings are consistently maintained on platforms such as Cesium, high-precision data configurations almost identical to real terrain can be achieved.
03. Simultaneous Capture of Visual ยท Spatial Information : Rather than providing only numerical data, this delivers photorealistic 3D models (Texture Mesh) that reflect the real appearance of the site, enabling intuitive understanding of on-site conditions. It provides advanced visualization data suitable for both quantitative and qualitative use cases such as change analysis, early detection of spatial issues, and digital twin development.
04. Cost Reduction and Safety Assurance :Minimizes on-site manpower, reducing operational and labor costs, and enables data acquisition in hazardous zones such as disaster sites or high-rise structures without safety incidents. This greatly contributes to improved industrial safety and optimized operating costs.
Technical Components
Drone photogrammetry work is composed of an integrated technology framework where hardware, software, and data processing infrastructure are organically combined.
| Category | Components | Details |
Hardware | Survey Drone
| RTK module onboard, automatic flight path setup,
replaceable batteries and propellers for extended operation |
High-Resolution Imaging Equipment
| 4K+ high-resolution camera for
minimal distortion and precise image capture
|
Software
| Image Post-Processing Program
| Based on Reality Scan and DJI Terra
for automated 3D analysis and reconstruction |
Workstation
| Image Processing Workstation
| High-performance GPU-based large-scale image computation and
optimized high-resolution 3D model generation |
Workflow
The drone photogrammetry workflow is composed of an integrated technology framework where hardware, software, and data processing infrastructure are organically combined.
| 1. Flight Path Planning and Shooting Preparation | Analyze the shooting area, automatically set flight paths, and perform RTK reference point correction
|
| 2. Aerial Shooting and Raw Data Acquisition | Collect imaging data by continuous capture from various angles ยท altitudes
|
| 3. Image Alignment and Analysis Processing | Photogrammetry processing in Reality Scan / DJI Terra ยท 3D reconstruction using SFM-based matching algorithms |
| 4. 3D Data Generation and Post-Processing | Generate Orthomosaic, high-density Point Cloud, Mesh, and DEM/DSM
|
| 5. Verification, Analysis and Final Output Deliveryย | Coordinate correction, quality inspection, final data export & application
|
 |  |  |  |
Shooting Plan | Data Acquisition | Post-Processing | 3D Model Generation and Deliverables |
Visualization Examples
View Training Details
๐ Phone Inquiryย ใ
ฃ ย 1600-1663 ย ย โ Email Inquiryย ใ
ฃ ย info@samwooim.com
* Please be sure to include your company information and contact details.
๐
Business Hoursย ใ
ฃ ย Weekdays 9:30~18:30 ย * Lunch break : 12:30 ~ 13:30ย (Closed on Sat, Sun, and public holidays)
High-Precision 3D Spatial Data Generation Based onย
Drone Photogrammetryย
An aerial photogrammetry solution that automatically builds photorealistic 3D models of real environments using aerial imaging data
Technology Overview
Drone Photogrammetry is an aerial surveying technology that combines high-performance drones, aerial imaging, and computer vision algorithms to convert real-world spaces into high-precision 3D data.ย
Drones equipped with high-resolution cameras continuously capture the target area from various altitudes and angles. The collected hundreds of 2D images are then precisely analyzed and overlapped using professional software such as Reality Scan and DJI Terra, reconstructing the space into a 3D structure identical to the real terrain.
Through SFM (Structure from Motion)-based geometric image matching and computer vision algorithms, the position (X, Y) and elevation (Z) of terrain features can be extracted with high accuracy, enabling the generation of various spatial data formats such as Orthomosaic, 3D Mesh, and high-density Point Cloud.
Shooting Preparation
Raw Data Acquisition
Analysis Processing
Post-Processing
Final Deliverables
Planar Maps
View the site exactly from above, verify precise location ยท area
Structuralย Data
Precisely record the real
height differences ยท shape information
3D Models
Review realistic 3D results
as if seen with your own eyes
Analysis Data
Use for cut/fill volume calculation and
risk assessment ยท decision-making
Key Advantages
01. ย Work Efficiency and Speedย : Compared to the conventional approach where 3D modelers manually model buildings and terrain, this solution can reduce production time by up to 80% or more. With automated drone flight path setup and automated shooting, anyone can acquire data and generate 3D outputs with just a few clicks. It also enables safe, fast scanning of large areas or rugged terrain that is difficult for people to access.
02. High-Precision Data Accuracy : ย Based on shooting with DJI Matrice 4E (RTK/PPK integrated solution), this ensures horizontal ยท vertical errors within 5 cm when corrected with Ground Control Points (GCP). In addition, if the coordinate system settings are consistently maintained on platforms such as Cesium, high-precision data configurations almost identical to real terrain can be achieved.
03. Simultaneous Capture of Visual ยท Spatial Information : Rather than providing only numerical data, this delivers photorealistic 3D models (Texture Mesh) that reflect the real appearance of the site, enabling intuitive understanding of on-site conditions. It provides advanced visualization data suitable for both quantitative and qualitative use cases such as change analysis, early detection of spatial issues, and digital twin development.
04. Cost Reduction and Safety Assurance :Minimizes on-site manpower, reducing operational and labor costs, and enables data acquisition in hazardous zones such as disaster sites or high-rise structures without safety incidents. This greatly contributes to improved industrial safety and optimized operating costs.
Technical Components
Drone photogrammetry work is composed of an integrated technology framework where hardware, software, and data processing infrastructure are organically combined.
Hardware
RTK module onboard, automatic flight path setup,
replaceable batteries and propellers for extended operation
minimal distortion and precise image capture
for automated 3D analysis and reconstruction
optimized high-resolution 3D model generation
Workflow
The drone photogrammetry workflow is composed of an integrated technology framework where hardware, software, and data processing infrastructure are organically combined.
Shooting Plan
Data Acquisition
3D Model Generation and Deliverables
Visualization Examples
View Training Details
๐ Phone Inquiryย ใ ฃ ย 1600-1663 ย ย โ Email Inquiryย ใ ฃ ย info@samwooim.com
* Please be sure to include your company information and contact details.
๐ Business Hoursย ใ ฃ ย Weekdays 9:30~18:30 ย * Lunch break : 12:30 ~ 13:30ย (Closed on Sat, Sun, and public holidays)