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Capturing and processing data

Capturing and processing data

To produce the images and LiDAR data, we use the following standardized steps: Project Preparation, Data Capturing, Data Processing, Quality Control and Data Publication.

1. Project Preparation

At the start of any project, preparation is essential to ensure we meet the customer’s expectations. As well as ensuring effective and efficient project execution. This preparation includes geographical scope definition, gaining authorization and detailed project planning.

2. Data Capturing

The data is captured using the patented Cyclomedia proprietary recording system, mounted on the roof of each vehicle. The main components of this recording system are the cameras, positioning technology, data processing unit and the LiDAR system.

The cars are driven by trained Cyclomedia operators. They use a map-based interface in the vehicle, showing the recordings and locations of the projects they are working on. The status in their system will change to “captured” for all the road segments that have been covered. The system will clearly indicate the remaining roads that still need to be captured. 

3. Data Processing

Powerful cloud-based software has been developed to automatically process tens of millions of high-quality panoramic images and point clouds. This ensures sufficient capacity and stability to process annual data volumes of between 300,000 and 400,000 kilometres. 

Data Processing Steps:

  • A position is created for each recording location. 
  • The system captures five individual images, per recording location. These single images are “stitched” together to create one parallax-free cyclorama.  
  • To comply with privacy regulations, faces and vehicle licence plates are blurred in every cyclorama. 
  • Cyclomedia takes extreme care in calculating the exact cyclorama positions. From the initial calculated locations, multiple adjustments are performed to improve the relative positioning. 
  • The final step is processing the LiDAR data into 3D Cycloramas and a LiDAR point cloud file. 

4. Quality Control

Quality Control

Quality Control is performed at numerous moments during the processing steps. This ensures the highest quality of the end results. These quality controls include calibration of the capturing systems, examining image quality, both during and after capture, monitoring metric quality to ensure parallax-free images and validation of positioning.

5. Publishing and Data Delivery

Publishing and Data Delivery

The data will only be published, after the final processing steps have been completed. The information will then be accessible using Street Smart, Cyclomedia's online web viewer.