PIEUAV is photogrammetry software that can automatically process UAV image data into 3D models, dense point clouds, and orthomosaics without manual intervention. It uses computer vision and photogrammetry algorithms to calculate camera positions and generate outputs. PIEUAV can process thousands of images quickly, even without accurate camera parameters, and produces maps and models with centimeter-level accuracy. The document provides several case studies where PIEUAV was used to automatically process large amounts of UAV image data and generate high quality 3D and mapping outputs for areas like reservoirs, cities, and mountains.

1. Beijing Piesat Information Technology Co.,Ltd.
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PIEUAV Product Introduction
Scan our world and our life
P I E S AT
May be the world's fastest UAV data intelligent
processing software

2. 3.PIEUAV Case Introduction
2.PIEUAV Product Advantages
1.PIEUAV Product Brief
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3. 1 PIEUAV Product Brief
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PIEUAV mainly uses computer vision and photogrammetry technology, for UAV
photogrammetry, generate DOM/DSM and real three-dimensional models with high
resolution automatically, the entire process does not require manual intervention.
UAV applications have been quietly infiltrated into all walks of life, slowly
changing the way people deal with the problem. But UAV hardware can only obtain
photos and videos, limited application. In many applications need to combine
professional processing software to provide more useful products and services. For
example, agricultural production needs to measure the area, emergency relief needs
terrain data to guide the rescue operations (disaster area, landslide volume, etc), the
construction of three-dimensional urban scenic spots.

4. 1 PIEUAV Product Brief
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The difficulty of UAV data processing
The posture of the aircraft is unstable
No track planning or even any flight pat
Camera parameters are absence or inaccurate
The IMU information is absence or not accurate
Processing speed is slow
Traditional aerial photogrammetry software is complex
Flat and elevation accuracy is not high
Can not make full use of computer hardware resources

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Comparison of Air Images Data processing difficulty
Consumer UAV Industrial UAV Airplane
At present, PIEUAV is the only one domestic software, which compatible with the
above three kinds of aviation data processing. Breaking the dilemma that
consumer UAV has been known as the upgraded version of the self-timer.
So that consumer UAV better serve more industries
Processing
difficulty

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Original photos Shooting attitude calculation and sparse point cloud Digital Surface Model(DSM)
Digital Orthophotos(DOM)Dense point cloud construction triangulationTrue 3D model
Data processing flow

7. 3. PIEUAV Case Introduction
2.PIEUAV Product Advantages
1.PIEUAV Product Brief
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 Automatic processing, without human intervention
PIEUAV is a landmark product for the digital photogrammetry era , eliminating the overmuch need of
human-computer interaction, truly fully automated.
 Operators do not need to have professional knowledge
PIEUAV is extremely easy to use, only need to add the image and POS, one click to complete the fast
puzzle, digital elevation model and three-dimensional dense point cloud production.
 Speed pixel processing engine
PIEUAV is a 64-bit program, the use of multi-core processors and GPU joint acceleration, the use of
innovative algorithms, making the processing speed has been greatly. CPU recommended the use of i7
or more processors, GPU recommended the use of high-end graphics card GTX970 or above. GPU and
CPU dual-mode automatic switching: When the computer is equipped with high-end GPU, the program can take
full advantage of computing resources, when there is no high-end GPU, the program automatically switches to
normal CPU program running.

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 Support any track
PIEUAV uses the technology which combines computer vision and photogrammetry, can support any
kind of photo taken by the automatic processing.
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 Camera self-calibration system
When the camera parameters are not accurate or do not have camera parameters, PIEUAV can based on
the tie points information between the image and using the camera self-calibration algorithm,
approximate calculate the camera parameters, such as the main distance, like the coordinates of the
main point, radial distortion and eccentric distortion.
 Data quality self-checking system
PIEUAV can automatically remove bad photos (such as full cloud cover, full water coverage, etc.)
according to the texture quality of the image, only choice the effective area of the flight to process.
 Accuracy of mapping level
PIEUAV software supports control point import and editing, the accuracy of DOM / DEM can meet
requirements from 1: 10000 to 1: 500.
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 Supports various camera types
PIEUAV supports a variety of types of cameras, both to support full-frame micro-single and SLR
cameras (such as Sony micro-single, Canon 5D3, Nikon, etc.), but also to support the ordinary card
camera or even mobile phone.
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 Product True Orthophotos
PIEUAV can use the high-precision DSM for true orthophotos production automatically.
DOM TDOM
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 Automatic uniform light and color
PIEUAV support automatic uniform light and uniform color, using self-created color area network adjustment
algorithm to achieve the purpose of the overall color of the same.
After Before
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 Support difference GPS
Support difference GPS(POS) auxiliary Aerotriangulation, the absolute accuracy without GCPS can
reach 0.4 meters or less.
 Support DJI UAV
Support the consumer UAV of DJI, such as PHANTOM, INSPIRE, provide mapping-level image map
services to the majority of users.
Based on the DJI’s SDK ,we developed a track flight APP. Using this APP, you can one click to
complete the aircraft take off, flight, capture photos, GPS data acquisition, landing and other operations,
without professional knowledge.
 Common data interface
PIEUAV can enter BMP, JPG and other commonly used formats of pictures, can also export GEOTIFF,
IMG, PIX and other common format remote sensing image.
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 Support thousands of images at the same time
PIEUAV internal unique data structure, you can handle thousands of images at the same time.
 Automatic Aerotriangulation Calculation
PIEUAV completely uses the texture of the photo to create the connection between the photos. The use
of computer vision and photogrammetry combined with the regional network adjustment algorithm,
automatically calculate the position and attitude of each photo shoot, and generate the final adjustment.
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 Fast puzzle
PIEUAV automatically corrects the distortion of the photo's perspective, splicing all the photos into a
georeferenced image, and can achieve the geometric accuracy of the measurement level.
The efficiency of the measured data processing is shown in the following table:
No. Camera Size Photos Number GSD(cm) Time
1 Canon 5D
Mark2
5616*3744 500 10 48min
2 NIKON D800 7360*4912 450 12 1h5min
3 Panasonic
DMC-GX1
4592*3448 200 5 25min
4 SONY DSC-RX1 6000*4000 250 8 35min
5 NIKON D810 7360*4912 960 10 2h10min
6 Phase One
IQ180
10328*7760 82 3 24min
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 Automatically generate digital surface models
Using the international advanced three-dimensional dense matching algorithm, automatic generation
of digital surface model, accurate calculation of the height of each pixel value.
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 Ultra high density real 3D point cloud production
PIEUAV can generate realistic real-world 3D point cloud data from simple continuous images
without human intervention, and can be used for 3D viewing and measurement.
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 Automatic generation of ultra-high real 3D model
PIEUAV can generate lifelike real 3d models (OBJ
format) from simple continuous images without
human intervention, and can be used for 3D viewing
and measurement.
Dense point cloud (Source: DJi Phantom 4)
MESH gridThe real 3D model after the texture
2 PIEUAV Product Advantages

20. 3. PIEUAV Case Introduction
2.PIEUAV Product Advantages
1.PIEUAV Product Brief
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• UAV model: Fixed wing UAV
• Camera: Nikon D810
• Flight height: 700 m
• Ground resolution: 8 cm
• Number of photos: 4308
• Coverage area: 130 km2
Case 1: With Control Points

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DOM & DSM
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DOM and DSM match graphs
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Control points
accuracy
控制点实际位置
控制点DOM位置
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Case 2: DSM230 data processing
Area: 120 km2
Resolution: 0.18 m
Camera: DMC230
Number of pixels: 14144x15552
Camera focal length: 92mm
Number of images: 110
Data volume: 67GB
Method: one-button fully automated processing
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DOM&DSM
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Case 3: 3D model of the reservoir
Survey Area Name: Jinghe Reservoir
Camera: Nikon D800
Number of pixels: 7360x4912
Shooting mode: single shot,
vertical photography
Method: one-button fully automated
processing
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Dense point cloud and triangulation
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3D model effect
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Case4：Urban
• UAV model: fixed wing UAV
• Flight height: 200 m
• Ground resolution: 3 cm
• Number of photos: 1265
• Coverage area: 1 km2
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DOM
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DSM
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Case 5：Mountain
• UAV model: fixed wing UAV
• Flight height: 500 m
• Ground resolution: 12 cm
• Number of photos: 773
• Coverage area: 39 km2
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DOM
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DSM
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Contact Information
YiYuan c-5-3, Xingshikou Road, Haidian District,
Beijing
Add：
Beijing Piesat Information Technology Co.,Ltd.
010-82556925Tel：
010-82556924Fax：
http://www.piesat.com.cnWeb：
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T H A N K Y O U